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为什么你有10年经验,但成不了专家? - 杂谈 - 清泛网 - 专注C/C++及内核技术

...意设计出来的练习,它要求一个人离开自己的熟练和舒适区域,不断地依据方法去练习和提高。 比如足球爱好者只不过是享受踢球的过程,普通的足球运动员只不过是例行惯事地训练和参加比赛,而顶尖的足球运动员却不断地...
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Failed to execute 'btoa' on 'Window': The string to be encoded contains characters outside of the La

...onent(escape(window.atob(b64))); console.log(str2); Example: var str = "äöüÄÖÜçéèñ"; var b64 = window.btoa(unescape(encodeURIComponent(str))) console.log(b64); var str2 = decodeURIComponent(escape(window.atob(b64))); console.log(str2); Note: if you need to get this to work in mobile-...
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Python's json module, converts int dictionary keys to strings

...ating point value: you get 53 bits of mantissa, so you can store up to 2⁵³ (9007199254740992) with integer accuracy; beyond that integers will round to other values (hence 9007199254740993 === 9007199254740992). 999999999999999999999 rounds to 1000000000000000000000, for which the default toStrin...
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How do I get the picture size with PIL?

... of channels, it rather returns height and width! – Färid Alijani May 11 at 13:04 @FäridAlijani sure, it returns the...
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Redirecting Output from within Batch file

...ultaneously ECHO. IF NOT "%OS%"=="Windows_NT" ECHO Usage: some_command ³ TEE.BAT [ -a ] filename IF NOT "%OS%"=="Windows_NT" GOTO Skip ECHO Usage: some_command ^| TEE.BAT [ -a ] filename :Skip ECHO. ECHO Where: "some_command" is the command whose output should be redirected ECHO ...
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Azure SQL Database Bacpac Local Restore

...rosoft.com/Forums/windowsazure/en-US/… – Juha Palomäki Oct 28 '13 at 10:57 ...
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Android应用开发性能优化完全分析 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...开启后在我们想要调试的应用界面中可以看到各种颜色的区域,具体含义如下: 颜色 含义 无色 WebView等的渲染区域 蓝色 1x过度绘制 绿色 2x过度绘制 淡红色 3x过度绘制 红色 ...
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OnInitUpdate、OnUpdate、OnDraw与OnPaint - C/C++ - 清泛网 - 专注C/C++及内核技术

...不见了的问题简单,因为当你的窗口改变后,会产生无效区域,这个无效的区域需要重画。一般Windows回发送两个消息WM_PAINT(通 知客户区有变化)和WM_NCPAINT(通知非客户区有变化)。非客户区的重画系统自己搞定了,而客户区...
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An operation on a socket could not be performed because the system lac...

...能执行套接字上的操作。) 原因:建立大于5000的出口TCP连接端口导致,通常是过多的客户端连接导致的。 解决方案:配置服务器以增加最大TCP端口数,从该端口可以建立出口连接。 解决方案 默认的临时 TCP 端...
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An operation on a socket could not be performed because the system lac...

...能执行套接字上的操作。) 原因:建立大于5000的出口TCP连接端口导致,通常是过多的客户端连接导致的。 解决方案:配置服务器以增加最大TCP端口数,从该端口可以建立出口连接。 解决方案 默认的临时 TCP 端...