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Click button copy to clipboard using jQuery

...ith a solution (probably because none exist): HTML5 alternative to flash-based ZeroClipboard for safe copying of data to clipboard? Copy to clipboard without Flash Internet Explorer and Firefox used to have non-standard APIs for accessing the clipboard, but their more modern versions have depr...
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Best way to use PHP to encrypt and decrypt passwords? [duplicate]

...PT_RIJNDAEL_128, MCRYPT_MODE_CBC), MCRYPT_DEV_URANDOM ); $encrypted = base64_encode( $iv . mcrypt_encrypt( MCRYPT_RIJNDAEL_128, hash('sha256', $key, true), $string, MCRYPT_MODE_CBC, $iv ) ); To Decrypt: $data = base64_decode($encrypted); $i...
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How does python numpy.where() work?

...one by overloading the "__gt__" method. For instance: >>> class demo(object): def __gt__(self, item): print item >>> a = demo() >>> a > 4 4 As you can see, "a > 4" was valid code. You can get a full list and documentation of all overloaded function...
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Disable developer mode extensions pop up in Chrome

...warning. I've just patched chrome.dll (dev channel, 32-bit) using hiew32 demo version: run it, switch to hex view (Enter key), search for ExtensionDeveloperModeWarning (F7) then press F6 to find the referring code, go to nearby INC EAX line, which is followed by RETN, press F3 to edit, type 90 ins...
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What exactly is LLVM?

...el language can be represented in this LLVM IR format, then analysis tools based on this IR can be easily reused - that is the basic rationale. share | improve this answer | ...
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Where do “pure virtual function call” crashes come from?

...bject hasn't been constructed or has already been destroyed), it calls the base class version, which in the case of a pure virtual function, doesn't exist. (See live demo here) class Base { public: Base() { doIt(); } // DON'T DO THIS virtual void doIt() = 0; }; void Base::doIt() { s...
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Clear icon inside input text

...es all classes, resets the input value and hides the icon. 7x7px gif: Base64 string: data:image/gif;base64,R0lGODlhBwAHAIAAAP///5KSkiH5BAAAAAAALAAAAAAHAAcAAAIMTICmsGrIXnLxuDMLADs= share | imp...
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64 bit OS下int占几个字节? - C/C++ - 清泛网 - 专注C/C++及内核技术

...t编译器下int指针占4位,64 bit下int指针占8位。 写个小demo稍微验证下即可,结论:无论32/64位编译器、32/64位OS,结果都是4。 只与编译器位数有关,与OS位数无关,但64位程序不能运行在32位OS上。64bit int 字节
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How to install Java SDK on CentOS?

...-openjdk.x86_64 java-1.7.0-openjdk-accessibility.x86_64 java-1.7.0-openjdk-demo.x86_64 java-1.7.0-openjdk-devel.x86_64 java-1.7.0-openjdk-headless.x86_64 java-1.7.0-openjdk-javadoc.noarch java-1.7.0-openjdk-src.x86_64 share...
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How to detect Safari, Chrome, IE, Firefox and Opera browser?

...amp;& (!!window.chrome.webstore || !!window.chrome.runtime); // Edge (based on chromium) detection var isEdgeChromium = isChrome && (navigator.userAgent.indexOf("Edg") != -1); // Blink engine detection var isBlink = (isChrome || isOpera) && !!window.CSS; var output = 'Detecti...