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javac not working in windows command prompt

... and re-open or simply do: set "path=%path%;c:\program files\java\jdk1.6.0_16\bin" By way of checking, execute: echo %path% from your command prompt and let us know what it is. Otherwise, make sure there is a javac in that directory by trying: "c:\program files\java\jdk1.6.0_16\bin\javac.exe...
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How do I check if I'm running on Windows in Python? [duplicate]

...lue cannot be determined. If that isn't working, maybe try platform.win32_ver and if it doesn't raise an exception, you're on Windows; but I don't know if that's forward compatible to 64-bit, since it has 32 in the name. win32_ver(release='', version='', csd='', ptype='') Get additional ...
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What do 'real', 'user' and 'sys' mean in the output of time(1)?

...o): More detail? Use perf [1], [2]. [1] perf.wiki.kernel.org/index.php/Main_Page [2] brendangregg.com/perf.html – kaiwan May 9 '15 at 7:46  |  ...
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How can I tell if I'm running in 64-bit JVM or 32-bit JVM (from within a program)?

... 64 bit version is running, you'll get a message like: java version "1.6.0_18" Java(TM) SE Runtime Environment (build 1.6.0_18-b07) Java HotSpot(TM) 64-Bit Server VM (build 16.0-b13, mixed mode) A 32 bit version will show something similar to: java version "1.6.0_41" Java(TM) SE Runtime Environm...
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How do I make a checkbox required on an ASP.NET form?

...ion for client side validation (using jQuery)... function CheckBoxRequired_ClientValidate(sender, e) { e.IsValid = jQuery(".AcceptedAgreement input:checkbox").is(':checked'); } code-behind for server side validation... protected void CheckBoxRequired_ServerValidate(object sender, ServerValid...
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Can I extend a class using more than 1 class in PHP?

...u really want to fake multiple inheritance, you can use the magic function __call(). This is ugly though it works from class A user's point of view : class B { public function method_from_b($s) { echo $s; } } class C { public function method_from_c($s) { echo $s; }...
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[科普] __MACOSX是什么文件夹? - 更多技术 - 清泛网 - 专注C/C++及内核技术

[科普] __MACOSX是什么文件夹?(如图,一般的设计源文件都会有__MACOSX这个目录)以下为网上搜到的资料:MacOS作为他们的开发环境。例如,许多来自领先的网络框架组织的... (如图,一般的设计源文件都会有__MACOSX这个目录) ...
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How to change legend title in ggplot

...ould work: p <- ggplot(df, aes(x=rating, fill=cond)) + geom_density(alpha=.3) + xlab("NEW RATING TITLE") + ylab("NEW DENSITY TITLE") p <- p + guides(fill=guide_legend(title="New Legend Title")) (or alternatively) p + scale_fill_discrete(name = "New Legen...
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PHP Fatal error: Cannot redeclare class

...ious repetition like this (even in quite a complex situation). The include_once tip helps to clarify an obscure feature of PHP. – DavidHyogo Mar 20 '13 at 2:12 2 ...
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Error handling in C code

...his enum", than what is wrong with assert(X!=NULL); or assert(Y<enumtype_MAX); ? See this answer on programmers and the question it links to for more detail on why I think this is the right way to go. – AShelly Mar 5 '14 at 16:52 ...