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“f” after number

... It's a C thing - floating point literals are double precision (double) by default. Adding an f suffix makes them single precision (float). You can use ints to specify the values here and in this case it will make no difference, but using the correct type is a good habit to get into - consistenc...
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jQuery get input value after keypress

... this will greatly reduce you code as you don't have to apply keyup event by id for each textboxes. share | improve this answer | follow | ...
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Repeat command automatically in Linux

... this line for whatever command you want. sleep 100 done Then run it by typing bash ./while_check.sh & share | improve this answer | follow | ...
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Hide Utility Class Constructor : Utility classes should not have a public or default constructor

...othing but private constructors is already effectively final. No harm done by marking it, though. – Marko Topolnik Jan 18 '13 at 12:23 ...
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Simple way to encode a string according to a password?

...s to be insecure and a toy scheme may well be mistaken for a secure scheme by a less experienced developer. If you encrypt, encrypt properly. You don’t need to do much work to implement a proper encryption scheme however. First of all, don’t re-invent the cryptography wheel, use a trusted cryp...
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error_log per Virtual Host?

... stuff goes, eg /var/log/apache2, because they errors will get intercepted by ErrorLog. Instead, create a subdir in your project folder for logs and do php_value error_log "/path/to/project/logs". This goes for both .htaccess files and vhosts. Also make sure you put php_flag log_errors on ...
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Return None if Dictionary key is not available

... @BjörnPollex This is by far the elegant one, Any clue on how to extend this to support any depth? I mean making foo['bar']['test']['sss'] to return None instead of exception, After one depth it start giving TypeError instead of KeyError ...
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Android中Java和JavaScript交互 - 更多技术 - 清泛网 - 专注C/C++及内核技术

....layout.activity_main); final WebView myWebView = (WebView) findViewById(R.id.myWebView); WebSettings settings = myWebView.getSettings(); settings.setJavaScriptEnabled(true); myWebView.addJavascriptInterface(new JsInteration(), "control"); myWebView.setWebChromeCli...
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How to get multiple select box values using jQuery?

... Just by one line- var select_button_text = $('#SelectQButton option:selected') .toArray().map(item => item.text); Output: ["text1", "text2"] var select_button_text = $('#SelectQButton option:selected') ...
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Way to get all alphabetic chars in an array in PHP?

... know if one could convert characters to integers and then the opposite to bypass this problem... – NoOne Jan 23 '16 at 11:24 ...