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BLE connection error “Connection status was set to OS code 133” - 创...
https://stackoverflow.com/questi ... droid-bluetooth-ble
问题原来是设备试图发送大于 MTU 大小的数据包，Android 默认为 23，至少在我测试的特定设备上是这样。
请求更大的 MTU 大小确实解决了问题。
但是，如果错误代码可以明确指出...
App上架国内应用市场，腾讯管家报病毒的解决历程 - App Inventor 2 中文网 ...
...馈到了MIT英文社区，官方权威回答是appinventor及代码没有问题，需要向腾讯申诉误报，白名单放行等。、
言下之意就是：不是appinventor的问题，是腾讯的审核规则问题。
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尝试过了，但是国内的规则你懂的...
简单谈谈软件配置管理 - 项目管理 - 清泛网 - 专注C/C++及内核技术
...QA监督配置审计是否按照标准流程来进行，并记录不一致问题。
f）每次配置审计要将审计结果记录到《配置审计报告》中，记录和跟踪配置审计检查出的问题。
物理审计的方法：
根据《配置审计检查单》去检查，该有的配置...
In PHP, what is a closure and why does it use the “use” identifier?
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This is how PHP expresses a closure. This is not evil at all and in fact it is quite powerful and useful.
Basically what this means is that you are allowing the anonymous function to "capture" local variables (in this case, $tax and a reference to $total) outside of it scope and...
Replacing all non-alphanumeric characters with empty strings
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Use [^A-Za-z0-9].
Note: removed the space since that is not typically considered alphanumeric.
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PHP memory profiling
...r example, to see how much memory my data is using, and/or which function calls are allocating the most memory.
4 Answers
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how to stop browser back button using javascript
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There are numerous reasons why disabling the back button will not really work. Your best bet is to warn the user:
window.onbeforeunload = function() { return "Your work will be lost."; };
This page does list a number of ways you could try to disable the back button, but none are guaranteed...
Reference assignment operator in PHP, =&
...rror changes made to another, instead of copying the existing data.
It's called assignment by reference, which, to quote the manual, "means that both variables end up pointing at the same data, and nothing is copied anywhere".
The only thing that is deprecated with =& is "assigning the result ...
CMap用法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...Y要选LPCTSTR。
遇到好几个人说CMap在用CString做key类型时有问题，说用int和DWORD就可以，用CString就不行。因此很多人推荐使用MFC中的CMapStringToPtr之类。关键是ARG_KEY要选LPCTSTR，否则编译报错。
CMap<CString, LPCTSTR, int, int> typeMap;
typeM...
How do I extract the contents of an rpm?
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Did you try the rpm2cpio commmand? See the example below:
$ rpm2cpio php-5.1.4-1.esp1.x86_64.rpm | cpio -idmv
/etc/httpd/conf.d/php.conf
./etc/php.d
./etc/php.ini
./usr/bin/php
./usr/bin/php-cgi
etc
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