Web21/09/ · Generally, a download manager enables downloading of large files or multiples files in one session. Many web browsers, such as Internet Explorer 9, include a download manager WebThe -gravity option is also used in concert with the -geometry setting and other settings or options that take geometry as an argument, such as the -crop option. If a -gravity setting occurs before another option or setting having a geometry argument that specifies an offset, the offset is usually applied to the point within the image suggested WebA binary option is a financial exotic option in which the payoff is either some fixed monetary amount or nothing at all. The two main types of binary options are the cash-or-nothing binary option and the asset-or-nothing binary option. The former pays some fixed amount of cash if the option expires in-the-money while the latter pays the value of the WebPresidential politics and political news from blogger.com News about political parties, political campaigns, world and international politics, politics news headlines plus in-depth features and WebWhat Are Binary Options? Binary option meaning – Binary options are a derivative, traded on any asset or market. For example a stock price (Twitter, AstraZeneca etc), indices (FTSE, DAX, Nikkei), commodity value (gold, crude oil) or foreign exchange rate (EUR/USD, GBP/USD). Even cryptocurrencies such as Bitcoin or Ethereum can be traded ... read more
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原创 Js逆向教程FuckJs 我们的目的为了让js代码运行起来。可以不需要解密,将代码扣出来运行就可以。任何一个js类型的变量结果 加上一个字符串 ,只会变成字符串。所以这个调试起来很麻烦 只能单步调试 还是用解密工具解密。通过这种特性 可以组合成各种各样的加密方式。这个的原理就是将各种字符串加起来。2个值通过 运算会变成0或者1. jsfuck有对应的解密工具及。我们这里只是讲解js的混淆机制。可以看到只有这3种字符。 原创 Js逆向教程常见混淆AA和JJ js默认 支持Unicode的。所以支持所有的国家语种。有没有哪些国家的和O很像但不是O,和0很像但不是0,和p很像但不是p所以可以用这个相近的符号进行代码混淆。 原创 Js逆向教程常见代码混淆 最后的最后由本人水平所限,难免有错误以及不足之处, 屏幕前的靓仔靓女们 如有发现,恳请指出!你轻轻地点了个赞,那将在我的心里世界增添一颗明亮而耀眼的星! 原创 Js逆向教程常见的加密方式 最后的最后由本人水平所限,难免有错误以及不足之处, 屏幕前的靓仔靓女们 如有发现,恳请指出!你轻轻地点了个赞,那将在我的心里世界增添一颗明亮而耀眼的星! 原创 Js逆向教程跟值技巧 一般不会出现在jquery成熟的第3仓库里面。jquery是封装好的成熟的第3仓库,一般不会去修改它。因为如果jquery版本提升了,还要去改jquery。 原创 Js逆向教程方法栈 最后的最后由本人水平所限,难免有错误以及不足之处, 屏幕前的靓仔靓女们 如有发现,恳请指出!你轻轻地点了个赞,那将在我的心里世界增添一颗明亮而耀眼的星! 原创 Js逆向教程js逆向断点的种类及介绍 能修改输出js运行当中的一些变量的值能下断点批量监听一些变量值当渲染时,样式发生改变,会触发DOM断点它一般在 用户触发了某个事件 时,段下来。执行的比较考前,距离加密函数比较远。所以无法根据栈去快速定位。它的优点时定位的比较准。清空Dom断点最后的最后由本人水平所限,难免有错误以及不足之处, 屏幕前的靓仔靓女们 如有发现,恳请指出!你轻轻地点了个赞,那将在我的心里世界增添一颗明亮而耀眼的星! 原创 Js逆向教程明确js逆向的目标 通过本地运行js代码那 实现脱离浏览器后 能够实现和浏览器上运行加密js的效果。网站上完全都是JavaScript实现的加密,我们的目的要知道加密的整个过程,并且实现这个加密的过程,拿到和浏览器一样的加密的结果。得到加密的结果之后就可以跳过浏览器,本地直接给服务器发送加密数据,从而直接获取服务器响应的结果。 原创 Js逆向教程浏览器调试工具-Application页面 本地网站应用缓存页面。 原创 Js逆向教程浏览器调试工具-Source面板 切换到source面板,对于source面板,需要打开搜索面板才能发挥出完整的功能。 原创 Js逆向教程浏览器调试工具-Network面板 最后的最后由本人水平所限,难免有错误以及不足之处, 屏幕前的靓仔靓女们 如有发现,恳请指出!你轻轻地点了个赞,那将在我的心里世界增添一颗明亮而耀眼的星! 原创 Js逆向教程浏览器调试工具-可视化的Elements 页面中有很多事件,比如说鼠标按下,滚动条滑动。最后的最后由本人水平所限,难免有错误以及不足之处, 屏幕前的靓仔靓女们 如有发现,恳请指出!你轻轻地点了个赞,那将在我的心里世界增添一颗明亮而耀眼的星! 原创 python一招自动搞定Chromedriver爬虫驱动的更新 日常的web自动化过程中,我们常常用python selenium库来操纵Chrome浏览器实现网页的自动化。这其中有个比较头疼的问题:Chrome的更新频率非常频繁,与之对应的Chromedriver版本也必须相应更新。如果两者版本的主版本号相差超过1,selenium则会报异常.
那有没有好的办法解决这个问题呢?方法当然有,首先我们需要知道哪里可以下载到不同版本的文件。这里推荐两个网站,国内首选淘宝的镜像仓库:数据更新会比谷歌官方稍慢;可供下载的版本有时不全; 原创 如何安装MockingBird-AI拟声: 5秒内克隆您的声音并生成任意语音内容 作者:虚坏叔叔早餐店不会开到晚上,想吃的人早就来了!😄。 原创 Quasar — 免费开源的Windows远程管理工具 适用于Windows的免费开源远程控制管理工具Quasar是一种用C#编码的快速轻量级远程管理工具。可用于管理工作到员工监控等。Quasar提供高稳定性和易用的用户界面,是您理想的远程控制管理解决方案。 原创 AutoJs4.
原创 将你的 Python 脚本转换为命令行程序 哈喽,大家好,今天给大家介绍一下,如何通过Python自动整理文件。 原创 如何通过Python自动整理文件? 哈喽,大家好,今天给大家介绍一下,如何通过Python自动整理文件。 原创 如何用python自动化微信小程序 本文介绍了整个微信小程序的自动化过程。我已经将全部源码上传到后台上,关注文章底部公众号后回复「kja」即可获得。你的肯定是我最大的鼓励和支持。 2. 原创 如何在实体手机上,保证手机能够正常运行uiautomator2,并安装ATX-agent 如何在实体手机上,保证手机能够正常运行uiautomator2,并安装ATX-agent。以小米手机为例子,首先打开 设置-更多设置-开启开发者模式。如果初始化完成后,发现手机并没有安装ATXagent应用。说明设备未认证(unauthorized),此时,当你看到这个,就说明手机安装成功了环境。需要记得,将 USB安装 勾选上。 原创 address localhost is already in use(端口被占用)Windows系统问题解决 在学习编程的过程中,我们或许会遇到端口被占用的情况,因而导致程序启动不了。这种情况只需要找到占用端口的进程,然后在中关闭改进程即可解决问题。后面补加的图。 原创 mitmproxy的介绍以及配置过程中的问题 提示:以下是本篇文章正文内容,下面案例可供参考。 FinalShell 中文安装包 FinalShell 一款可以替代XShell 的ssh 客户端软件,不仅是 ssh 客户端软件,还是功能强大的开发及运维的工具。可以满足我们的工作需求 主要特性:.
net版本问题: 检查是否安装. reres chrome插件v1. app自动化课程的简介和介绍 app自动化课程的简介和介绍. windows 生成RSA公钥和私钥openssl. In earlier MySQL versions, binary logging was disabled by default, and was enabled if you specified the --log-bin option.
From MySQL 8. The exception is if you use mysqld to initialize the data directory manually by invoking it with the --initialize or --initialize-insecure option, when binary logging is disabled by default. It is possible to enable binary logging in this case by specifying the --log-bin option. To disable binary logging, you can specify the --skip-log-bin or --disable-log-bin option at startup.
If either of these options is specified and --log-bin is also specified, the option specified later takes precedence. When GTIDs are in use on the server, if you disable binary logging when restarting the server after an abnormal shutdown, some GTIDs are likely to be lost, causing replication to fail. In a normal shutdown, the set of GTIDs from the current binary log file is saved in the mysql. Following an abnormal shutdown where this did not happen, during recovery the GTIDs are added to the table from the binary log file, provided that binary logging is still enabled.
If binary logging is disabled for the server restart, the server cannot access the binary log file to recover the GTIDs, so replication cannot be started. Binary logging can be disabled safely after a normal shutdown. The --log-slave-updates and --slave-preserve-commit-order options require binary logging. MySQL disables these options by default when --skip-log-bin or --disable-log-bin is specified.
If you specify --log-slave-updates or --slave-preserve-commit-order together with --skip-log-bin or --disable-log-bin , a warning or error message is issued. In MySQL 5. In MySQL 8. For servers that are used in a replication topology, you must specify a unique nonzero server ID for each server.
For information on the format and management of the binary log, see Section 5. The name for the binary log index file, which contains the names of the binary log files.
By default, it has the same location and base name as the value specified for the binary log files using the --log-bin option, plus the extension. If you do not specify --log-bin , the default binary log index file name is binlog. index , using the name of the host machine. Statement selection options. The options in the following list affect which statements are written to the binary log, and thus sent by a replication source server to its replicas.
There are also options for replicas that control which statements received from the source should be executed or ignored. For details, see Section This option affects binary logging in a manner similar to the way that --replicate-do-db affects replication. The effects of this option depend on whether the statement-based or row-based logging format is in use, in the same way that the effects of --replicate-do-db depend on whether statement-based or row-based replication is in use. For example, DDL statements such as CREATE TABLE and ALTER TABLE are always logged as statements, without regard to the logging format in effect, so the following statement-based rules for --binlog-do-db always apply in determining whether or not the statement is logged.
Statement-based logging. To specify multiple databases you must use multiple instances of this option. Because database names can contain commas, the list is treated as the name of a single database if you supply a comma-separated list. It is also faster to check only the default database rather than all databases if there is no need.
Another case which may not be self-evident occurs when a given database is replicated even though it was not specified when setting the option. Because sales is the default database when the UPDATE statement is issued, the UPDATE is logged. Row-based logging. The changes to the february table in the sales database are logged in accordance with the UPDATE statement; this occurs whether or not the USE statement was issued.
Even if the USE prices statement were changed to USE sales , the UPDATE statement's effects would still not be written to the binary log. Another important difference in --binlog-do-db handling for statement-based logging as opposed to the row-based logging occurs with regard to statements that refer to multiple databases.
If you are using statement-based logging, the updates to both tables are written to the binary log. However, when using the row-based format, only the changes to table1 are logged; table2 is in a different database, so it is not changed by the UPDATE.
Now suppose that, instead of the USE db1 statement, a USE db4 statement had been used:. In this case, the UPDATE statement is not written to the binary log when using statement-based logging. However, when using row-based logging, the change to table1 is logged, but not that to table2 —in other words, only changes to tables in the database named by --binlog-do-db are logged, and the choice of default database has no effect on this behavior.
This option affects binary logging in a manner similar to the way that --replicate-ignore-db affects replication. The effects of this option depend on whether the statement-based or row-based logging format is in use, in the same way that the effects of --replicate-ignore-db depend on whether statement-based or row-based replication is in use. For example, DDL statements such as CREATE TABLE and ALTER TABLE are always logged as statements, without regard to the logging format in effect, so the following statement-based rules for --binlog-ignore-db always apply in determining whether or not the statement is logged.
When there is no default database, no --binlog-ignore-db options are applied, and such statements are always logged. Bug , Bug Row-based format.
The current database has no effect. When using statement-based logging, the following example does not work as you might expect. The UPDATE statement is logged in such a case because --binlog-ignore-db applies only to the default database determined by the USE statement.
Because the sales database was specified explicitly in the statement, the statement has not been filtered. However, when using row-based logging, the UPDATE statement's effects are not written to the binary log, which means that no changes to the sales. To specify more than one database to ignore, use this option multiple times, once for each database.
You should not use this option if you are using cross-database updates and you do not want these updates to be logged. Checksum options. MySQL supports reading and writing of binary log checksums. These are enabled using the two options listed here:. Enabling this option causes the source to write checksums for events written to the binary log.
Set to NONE to disable, or the name of the algorithm to be used for generating checksums; currently, only CRC32 checksums are supported, and CRC32 is the default. You cannot change the setting for this option within a transaction. To control reading of checksums by the replica from the relay log , use the --slave-sql-verify-checksum option. Testing and debugging options. The following binary log options are used in replication testing and debugging.
They are not intended for use in normal operations. This option is used internally by the MySQL test suite for replication testing and debugging. The following list describes system variables for controlling binary logging. They can be set at server startup and some of them can be changed at runtime using SET.
Server options used to control binary logging are listed earlier in this section. The size of the memory buffer to hold changes to the binary log during a transaction.
The block size is A value that is not an exact multiple of the block size is rounded down to the next lower multiple of the block size by MySQL Server before storing the value for the system variable. If the data for the transaction exceeds the space in the memory buffer, the excess data is stored in a temporary file. When binary log encryption is active on the server, the memory buffer is not encrypted, but from MySQL 8. After each transaction is committed, the binary log cache is reset by clearing the memory buffer and truncating the temporary file if used.
If you often use large transactions, you can increase this cache size to get better performance by reducing or eliminating the need to write to temporary files.
See Section 5. When enabled, this variable causes the source to write a checksum for each event in the binary log. The default is CRC If backward compatibility with older replicas is a concern, you may want to set the value explicitly to NONE. Up to and including MySQL 8. Due to concurrency issues, a replica can become inconsistent when a transaction contains updates to both transactional and nontransactional tables.
MySQL tries to preserve causality among these statements by writing nontransactional statements to the transaction cache, which is flushed upon commit. However, problems arise when modifications done to nontransactional tables on behalf of a transaction become immediately visible to other connections because these changes may not be written immediately into the binary log.
By default, this variable is disabled. As of MySQL 8. The session user must have privileges sufficient to set restricted session variables. Otherwise, such statements are likely to cause the replica to diverge from the source. This variable has no effect when the binary log format is ROW or MIXED. Enables encryption for binary log files and relay log files on this server. OFF is the default.
ON sets encryption on for binary log files and relay log files. Binary logging does not need to be enabled on the server to enable encryption, so you can encrypt the relay log files on a replica that has no binary log. To use encryption, a keyring plugin must be installed and configured to supply MySQL Server's keyring service.
For instructions to do this, see Section 6. Any supported keyring plugin can be used to store binary log encryption keys. When you first start the server with binary log encryption enabled, a new binary log encryption key is generated before the binary log and relay logs are initialized. This key is used to encrypt a file password for each binary log file if the server has binary logging enabled and relay log file if the server has replication channels , and further keys generated from the file passwords are used to encrypt the data in the files.
Relay log files are encrypted for all channels, including Group Replication applier channels and new channels that are created after encryption is activated. The binary log index file and relay log index file are never encrypted.
If you activate encryption while the server is running, a new binary log encryption key is generated at that time. The exception is if encryption was active previously on the server and was then disabled, in which case the binary log encryption key that was in use before is used again. The binary log file and relay log files are rotated immediately, and file passwords for the new files and all subsequent binary log files and relay log files are encrypted using this binary log encryption key.
Existing binary log files and relay log files still present on the server are not automatically encrypted, but you can purge them if they are no longer needed. Previously encrypted files are not automatically decrypted, but the server is still able to read them.
Group Replication applier channels are not included in the relay log rotation request, so unencrypted logging for these channels does not start until their logs are rotated in normal use. For more information on binary log file and relay log file encryption, see Section Controls what happens when the server encounters an error such as not being able to write to, flush or synchronize the binary log, which can cause the source's binary log to become inconsistent and replicas to lose synchronization.
On restart, recovery proceeds as in the case of an unexpected server halt see Section This setting provides backward compatibility with older versions of MySQL. Sets the binary log expiration period in seconds. After their expiration period ends, binary log files can be automatically removed.
Possible removals happen at startup and when the binary log is flushed. Log flushing occurs as indicated in Section 5. Beginning with MySQL 8. To remove binary log files manually, use the PURGE BINARY LOGS statement. See Section Enables or disables automatic purging of binary log files. Setting this variable to ON the default enables automatic purging; setting it to OFF disables automatic purging. This variable has no effect on PURGE BINARY LOGS.
This system variable sets the binary logging format, and can be any one of STATEMENT , ROW , or MIXED. The default is ROW. Exception : In NDB Cluster, the default is MIXED ; statement-based replication is not supported for NDB Cluster.
Setting the session value of this system variable is a restricted operation. The rules governing when changes to this variable take effect and how long the effect lasts are the same as for other MySQL server system variables. For more information, see Section When MIXED is specified, statement-based replication is used, except for cases where only row-based replication is guaranteed to lead to proper results.
For example, this happens when statements contain loadable functions or the UUID function. For details of how stored programs stored procedures and functions, triggers, and events are handled when each binary logging format is set, see Section There are exceptions when you cannot switch the replication format at runtime:.
The replication format cannot be changed from within a stored function or a trigger. If a session has open temporary tables, the replication format cannot be changed for the session SET SESSION. If any replication channel has open temporary tables, the replication format cannot be changed globally SET GLOBAL.
If any replication channel applier thread is currently running, the replication format cannot be changed globally SET GLOBAL. Trying to switch the replication format in any of these cases or attempting to set the current replication format results in an error. Switching the replication format at runtime is not recommended when any temporary tables exist, because temporary tables are logged only when using statement-based replication, whereas with row-based replication and mixed replication, they are not logged.
Changing the logging format on a replication source server does not cause a replica to change its logging format to match. Switching the replication format while replication is ongoing can cause issues if a replica has binary logging enabled, and the change results in the replica using STATEMENT format logging while the source is using ROW or MIXED format logging.
A replica is not able to convert binary log entries received in ROW logging format to STATEMENT format for use in its own binary log, so this situation can cause replication to fail. For more information, see Section 5. The binary log format affects the behavior of the following server options:. These effects are discussed in detail in the descriptions of the individual options. Controls how many microseconds the binary log commit waits before synchronizing the binary log file to disk.
Also, on highly concurrent workloads, it is possible for the delay to increase contention and therefore reduce throughput. Typically, the benefits of setting a delay outweigh the drawbacks, but tuning should always be carried out to determine the optimal setting. Formerly, this system variable controlled the time in microseconds to continue reading transactions from the flush queue before proceeding with group commit.
It no longer has any effect. When this variable is enabled on a replication source server which is the default , transaction commit instructions issued to storage engines are serialized on a single thread, so that transactions are always committed in the same order as they are written to the binary log.
Disabling this variable permits transaction commit instructions to be issued using multiple threads. Used in combination with binary log group commit, this prevents the commit rate of a single transaction being a bottleneck to throughput, and might therefore produce a performance improvement.
Transactions are written to the binary log at the point when all the storage engines involved have confirmed that the transaction is prepared to commit.
The binary log group commit logic then commits a group of transactions after their binary log write has taken place. Transactions from a single client always commit in chronological order. In many cases this does not matter, as operations carried out in separate transactions should produce consistent results, and if that is not the case, a single transaction ought to be used instead. Specifies whether or not the binary log master key is rotated at server startup. The binary log master key is the binary log encryption key that is used to encrypt file passwords for the binary log files and relay log files on the server.
For more information on binary log encryption keys and the binary log master key, see Section Woman whose car was stolen off the side of highway surprised with new car. Mother, son fulfill kindergarten promise as they graduate college together. Slideshow Central. Pawleys Island PD. By Janice Limon. By The Associated Press. By National Desk Staff. PHOTOS: A look at this year's Tour de France AP PHOTOS: Withering drought shows Lake Mead boat graveyard AP Gallery: The first week at the Wimbledon tennis tournament AP PHOTOS: Supermoon delights skygazers around the world AP Gallery: As world marks Earth Day, trash still big problem AP.
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自定义博客皮肤 VIP专享. 最后的最后由本人水平所限,难免有错误以及不足之处, 屏幕前的靓仔靓女们 如有发现,恳请指出!你轻轻地点了个赞,那将在我的心里世界增添一颗明亮而耀眼的星!. Hook就是在这些流程任意环节插入自己的代码,让浏览器先执行自己的代码 然后再执行原本网站的hook在以下流程中可以做的事情:hook在以下流程中可以做的事情上下文:表示一个环境(js上下文就是v8引擎,浏览器是不同的页签就是不同的上下文,js中的eval还是在一个上下文。只是虚拟机、)作用域:控制变量所生效的位置。作用域是更小的一个级别 处于上下文中结果如下:解释器是如何处理这段代码:首先解释器知道var xuhss在内存中声明了一个全局变量数组保存了xuhss,以后用的话,就到这个数组中找。如果数. php请求里面获取的c第三个参数是js的crc版本数据校验值 是从get. Ws和Wss的区别相当于http和https的区别,如果你想写一个聊天页面,需要频繁请求后台接口 还需要设置间隔时间(每隔1s发送一个请求) 才能拿到后台服务器的数据,因为http是轮询方式,只有请求完成后,才能拿到结果,只有客户端能发请求,所以说 要轮询。缺点就是占用服务器的性能?更好的方案就是websocket,它是浏览器实现的。浏览器在底层升级http协议,从http协议升级到websocket只需要添加几个头部信息就可以完成升级。.
HTML5 的 canvas 元素使用 JavaScript 在网页上绘制图像。画布是一个矩形区域,您可以控制其每一像素。就是位图操作,可以理解为一个画图工具。可以任意对每个像素点进行任意操作之前讲解有一种断点类型叫做 事件监听断点,里面可以对canvas进行监听CanvasCreate canvas context 创建事件都选创建事件断点后,再刷页面断在这个地方:这里的代码用了流程平坦化打乱了最后的最后。. 将你的预期值和实际值进行比较,如果不一样,就是这种debugger 只能通过浏览器调用的堆栈区分出正确的逻辑。通过将editbreakpoint设置为false 可以禁用这个调试。通过hook方式,将运行的函数设为空就可以跳过debugger了。最好的方式就是不要被识别出来调试,可以通过下hook解决。非虚拟机的方式不会跳转 到一个vm的页面。在eval里面运行debugger.
我们的目的为了让js代码运行起来。可以不需要解密,将代码扣出来运行就可以。任何一个js类型的变量结果 加上一个字符串 ,只会变成字符串。所以这个调试起来很麻烦 只能单步调试 还是用解密工具解密。通过这种特性 可以组合成各种各样的加密方式。这个的原理就是将各种字符串加起来。2个值通过 运算会变成0或者1. js默认 支持Unicode的。所以支持所有的国家语种。有没有哪些国家的和O很像但不是O,和0很像但不是0,和p很像但不是p所以可以用这个相近的符号进行代码混淆。. 能修改输出js运行当中的一些变量的值能下断点批量监听一些变量值当渲染时,样式发生改变,会触发DOM断点它一般在 用户触发了某个事件 时,段下来。执行的比较考前,距离加密函数比较远。所以无法根据栈去快速定位。它的优点时定位的比较准。清空Dom断点最后的最后由本人水平所限,难免有错误以及不足之处, 屏幕前的靓仔靓女们 如有发现,恳请指出!你轻轻地点了个赞,那将在我的心里世界增添一颗明亮而耀眼的星!.
通过本地运行js代码那 实现脱离浏览器后 能够实现和浏览器上运行加密js的效果。网站上完全都是JavaScript实现的加密,我们的目的要知道加密的整个过程,并且实现这个加密的过程,拿到和浏览器一样的加密的结果。得到加密的结果之后就可以跳过浏览器,本地直接给服务器发送加密数据,从而直接获取服务器响应的结果。. 页面中有很多事件,比如说鼠标按下,滚动条滑动。最后的最后由本人水平所限,难免有错误以及不足之处, 屏幕前的靓仔靓女们 如有发现,恳请指出!你轻轻地点了个赞,那将在我的心里世界增添一颗明亮而耀眼的星!. 日常的web自动化过程中,我们常常用python selenium库来操纵Chrome浏览器实现网页的自动化。这其中有个比较头疼的问题:Chrome的更新频率非常频繁,与之对应的Chromedriver版本也必须相应更新。如果两者版本的主版本号相差超过1,selenium则会报异常.
如何在实体手机上,保证手机能够正常运行uiautomator2,并安装ATX-agent。以小米手机为例子,首先打开 设置-更多设置-开启开发者模式。如果初始化完成后,发现手机并没有安装ATXagent应用。说明设备未认证(unauthorized),此时,当你看到这个,就说明手机安装成功了环境。需要记得,将 USB安装 勾选上。. TA创建的收藏夹 TA关注的收藏夹. RGB颜色,例如: AFAFAF. 预览 取消 提交. 上一步 保存. 博客 资源 收藏 关注. 只看原创 排序: 按最后发布时间 按访问量 RSS订阅. 原创 Python量化交易实战教程汇总 B站配套视频教程观看设计适合自己并能适应市场的交易策略,才是量化交易的灵魂课程亲手带你设计并实现两种交易策略,快速培养你的策略思维能力择时策略:通过这个策略学会如何利用均线,创建择时策略,优化股票买入卖出的时间点。选股策略:掌握选股策略的核心逻辑,并基于收益率创建动量选股策略,并验证其有效性。手把手带你打造一个易扩展、更安全、效率更高的量化交易系统第三方平台大而全,不易扩展,效率还差,信息安全也是大问题,打造自己的交易平台才是更优解所有文章目录Python量化交易实战双均线策略股 原创 Js逆向教程AST Babel插件最简单修改值示例 最后的最后由本人水平所限,难免有错误以及不足之处, 屏幕前的靓仔靓女们 如有发现,恳请指出!你轻轻地点了个赞,那将在我的心里世界增添一颗明亮而耀眼的星! 原创 Js逆向教程vscode无环境联调 最后的最后由本人水平所限,难免有错误以及不足之处, 屏幕前的靓仔靓女们 如有发现,恳请指出!你轻轻地点了个赞,那将在我的心里世界增添一颗明亮而耀眼的星! 原创 Js逆向教程Hook基础 Hook就是在这些流程任意环节插入自己的代码,让浏览器先执行自己的代码 然后再执行原本网站的hook在以下流程中可以做的事情:hook在以下流程中可以做的事情上下文:表示一个环境(js上下文就是v8引擎,浏览器是不同的页签就是不同的上下文,js中的eval还是在一个上下文。只是虚拟机、)作用域:控制变量所生效的位置。作用域是更小的一个级别 处于上下文中结果如下:解释器是如何处理这段代码:首先解释器知道var xuhss在内存中声明了一个全局变量数组保存了xuhss,以后用的话,就到这个数组中找。如果数 php请求 原创 Js逆向教程websocket介绍 Ws和Wss的区别相当于http和https的区别,如果你想写一个聊天页面,需要频繁请求后台接口 还需要设置间隔时间(每隔1s发送一个请求) 才能拿到后台服务器的数据,因为http是轮询方式,只有请求完成后,才能拿到结果,只有客户端能发请求,所以说 要轮询。缺点就是占用服务器的性能?更好的方案就是websocket,它是浏览器实现的。浏览器在底层升级http协议,从http协议升级到websocket只需要添加几个头部信息就可以完成升级。 1.
原创 Js逆向教程极验滑块 实现加密算法的逻辑 还是和上节课一样,针对这个网址。 原创 Js逆向教程极验滑块 找到w加密位置 最后的最后由本人水平所限,难免有错误以及不足之处, 屏幕前的靓仔靓女们 如有发现,恳请指出!你轻轻地点了个赞,那将在我的心里世界增添一颗明亮而耀眼的星! 原创 Js逆向教程滑块流程 极验 HTML5 的 canvas 元素使用 JavaScript 在网页上绘制图像。画布是一个矩形区域,您可以控制其每一像素。就是位图操作,可以理解为一个画图工具。可以任意对每个像素点进行任意操作之前讲解有一种断点类型叫做 事件监听断点,里面可以对canvas进行监听CanvasCreate canvas context 创建事件都选创建事件断点后,再刷页面断在这个地方:这里的代码用了流程平坦化打乱了最后的最后。 原创 Js逆向教程反调试 将你的预期值和实际值进行比较,如果不一样,就是这种debugger 只能通过浏览器调用的堆栈区分出正确的逻辑。通过将editbreakpoint设置为false 可以禁用这个调试。通过hook方式,将运行的函数设为空就可以跳过debugger了。最好的方式就是不要被识别出来调试,可以通过下hook解决。非虚拟机的方式不会跳转 到一个vm的页面。在eval里面运行debugger.
原创 Js逆向教程FuckJs 我们的目的为了让js代码运行起来。可以不需要解密,将代码扣出来运行就可以。任何一个js类型的变量结果 加上一个字符串 ,只会变成字符串。所以这个调试起来很麻烦 只能单步调试 还是用解密工具解密。通过这种特性 可以组合成各种各样的加密方式。这个的原理就是将各种字符串加起来。2个值通过 运算会变成0或者1. jsfuck有对应的解密工具及。我们这里只是讲解js的混淆机制。可以看到只有这3种字符。 原创 Js逆向教程常见混淆AA和JJ js默认 支持Unicode的。所以支持所有的国家语种。有没有哪些国家的和O很像但不是O,和0很像但不是0,和p很像但不是p所以可以用这个相近的符号进行代码混淆。 原创 Js逆向教程常见代码混淆 最后的最后由本人水平所限,难免有错误以及不足之处, 屏幕前的靓仔靓女们 如有发现,恳请指出!你轻轻地点了个赞,那将在我的心里世界增添一颗明亮而耀眼的星! 原创 Js逆向教程常见的加密方式 最后的最后由本人水平所限,难免有错误以及不足之处, 屏幕前的靓仔靓女们 如有发现,恳请指出!你轻轻地点了个赞,那将在我的心里世界增添一颗明亮而耀眼的星! 原创 Js逆向教程跟值技巧 一般不会出现在jquery成熟的第3仓库里面。jquery是封装好的成熟的第3仓库,一般不会去修改它。因为如果jquery版本提升了,还要去改jquery。 原创 Js逆向教程方法栈 最后的最后由本人水平所限,难免有错误以及不足之处, 屏幕前的靓仔靓女们 如有发现,恳请指出!你轻轻地点了个赞,那将在我的心里世界增添一颗明亮而耀眼的星! 原创 Js逆向教程js逆向断点的种类及介绍 能修改输出js运行当中的一些变量的值能下断点批量监听一些变量值当渲染时,样式发生改变,会触发DOM断点它一般在 用户触发了某个事件 时,段下来。执行的比较考前,距离加密函数比较远。所以无法根据栈去快速定位。它的优点时定位的比较准。清空Dom断点最后的最后由本人水平所限,难免有错误以及不足之处, 屏幕前的靓仔靓女们 如有发现,恳请指出!你轻轻地点了个赞,那将在我的心里世界增添一颗明亮而耀眼的星! 原创 Js逆向教程明确js逆向的目标 通过本地运行js代码那 实现脱离浏览器后 能够实现和浏览器上运行加密js的效果。网站上完全都是JavaScript实现的加密,我们的目的要知道加密的整个过程,并且实现这个加密的过程,拿到和浏览器一样的加密的结果。得到加密的结果之后就可以跳过浏览器,本地直接给服务器发送加密数据,从而直接获取服务器响应的结果。 原创 Js逆向教程浏览器调试工具-Application页面 本地网站应用缓存页面。 原创 Js逆向教程浏览器调试工具-Source面板 切换到source面板,对于source面板,需要打开搜索面板才能发挥出完整的功能。 原创 Js逆向教程浏览器调试工具-Network面板 最后的最后由本人水平所限,难免有错误以及不足之处, 屏幕前的靓仔靓女们 如有发现,恳请指出!你轻轻地点了个赞,那将在我的心里世界增添一颗明亮而耀眼的星! 原创 Js逆向教程浏览器调试工具-可视化的Elements 页面中有很多事件,比如说鼠标按下,滚动条滑动。最后的最后由本人水平所限,难免有错误以及不足之处, 屏幕前的靓仔靓女们 如有发现,恳请指出!你轻轻地点了个赞,那将在我的心里世界增添一颗明亮而耀眼的星! 原创 python一招自动搞定Chromedriver爬虫驱动的更新 日常的web自动化过程中,我们常常用python selenium库来操纵Chrome浏览器实现网页的自动化。这其中有个比较头疼的问题:Chrome的更新频率非常频繁,与之对应的Chromedriver版本也必须相应更新。如果两者版本的主版本号相差超过1,selenium则会报异常.
那有没有好的办法解决这个问题呢?方法当然有,首先我们需要知道哪里可以下载到不同版本的文件。这里推荐两个网站,国内首选淘宝的镜像仓库:数据更新会比谷歌官方稍慢;可供下载的版本有时不全; 原创 如何安装MockingBird-AI拟声: 5秒内克隆您的声音并生成任意语音内容 作者:虚坏叔叔早餐店不会开到晚上,想吃的人早就来了!😄。 原创 Quasar — 免费开源的Windows远程管理工具 适用于Windows的免费开源远程控制管理工具Quasar是一种用C#编码的快速轻量级远程管理工具。可用于管理工作到员工监控等。Quasar提供高稳定性和易用的用户界面,是您理想的远程控制管理解决方案。 原创 AutoJs4.
原创 将你的 Python 脚本转换为命令行程序 哈喽,大家好,今天给大家介绍一下,如何通过Python自动整理文件。 原创 如何通过Python自动整理文件? 哈喽,大家好,今天给大家介绍一下,如何通过Python自动整理文件。 原创 如何用python自动化微信小程序 本文介绍了整个微信小程序的自动化过程。我已经将全部源码上传到后台上,关注文章底部公众号后回复「kja」即可获得。你的肯定是我最大的鼓励和支持。 2. 原创 如何在实体手机上,保证手机能够正常运行uiautomator2,并安装ATX-agent 如何在实体手机上,保证手机能够正常运行uiautomator2,并安装ATX-agent。以小米手机为例子,首先打开 设置-更多设置-开启开发者模式。如果初始化完成后,发现手机并没有安装ATXagent应用。说明设备未认证(unauthorized),此时,当你看到这个,就说明手机安装成功了环境。需要记得,将 USB安装 勾选上。 原创 address localhost is already in use(端口被占用)Windows系统问题解决 在学习编程的过程中,我们或许会遇到端口被占用的情况,因而导致程序启动不了。这种情况只需要找到占用端口的进程,然后在中关闭改进程即可解决问题。后面补加的图。 原创 mitmproxy的介绍以及配置过程中的问题 提示:以下是本篇文章正文内容,下面案例可供参考。 FinalShell 中文安装包 FinalShell 一款可以替代XShell 的ssh 客户端软件,不仅是 ssh 客户端软件,还是功能强大的开发及运维的工具。可以满足我们的工作需求 主要特性:.
net版本问题: 检查是否安装. reres chrome插件v1. app自动化课程的简介和介绍 app自动化课程的简介和介绍. windows 生成RSA公钥和私钥openssl. exe工具 1、打开 openssl. 多线程解决mfc对话框未响应、卡死问题 多线程解决mfc对话框未响应、卡死问题. 爆款少儿青少年scratch编程第4课:狮子钻火圈 可以直接运行。A53课程制作 爆款爆款少儿青少年scratch编程是包括教程制作完整课程,里面包括教学步骤,教学视频,教学素材,教学课件pdf,教学课件word,课程源码。课程内容大致如下所示:资源:.
爆款少儿青少年scratch编程第5课:熊熊吃什么 可以直接运行。A53课程制作 爆款爆款少儿青少年scratch编程是包括教程制作完整课程,里面包括教学步骤,教学视频,教学素材,教学课件pdf,教学课件word,课程源码。课程内容大致如下所示:资源:.
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