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Does every Javascript function have to return a value?

...s) to return void: void noReturn()//return type void { printf("%d\n", 123); return;//return nothing, can be left out, too } //in JS: function noReturn() { console.log('123');//or evil document.write return undefined;//<-- write it or not, the result is the same return;//<...
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Selecting data frame rows based on partial string match in a column

... 4 140.8 95 3.92 3.15 22.9 1 0 4 2 # Merc 280 19.2 6 167.6 123 3.92 3.44 18.3 1 0 4 4 # Merc 280C 17.8 6 167.6 123 3.92 3.44 18.9 1 0 4 4 # Merc 450SE 16.4 8 275.8 180 3.07 4.07 17.4 0 0 3 3 # Merc 450SL 17.3 8 275.8 180 3.07 3.73 17.6 0 0 3 ...
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What are the recommendations for html tag?

...t;/a> where ${uri} basically translates to $_SERVER['REQUEST_URI'] in PHP, ${pageContext.request.requestURI} in JSP, and #{request.requestURI} in JSF. Noted should be that MVC frameworks like JSF have tags reducing all this boilerplate and removing the need for <base>. See also a.o. What ...
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OOP vs Functional Programming vs Procedural [closed]

..., but I really can't see the big difference between it and procedural C or PHP, could you give some example? – Leonel Apr 1 '12 at 2:39 ...
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Python strptime() and timezones?

...mitation of that lib. >>> parser.parse("Thu, 25 Sep 2003 10:49:41,123 -0300") Traceback (most recent call last): File "<stdin>", line 1, in <module> File "/Users/wanghq/awscli/lib/python2.7/site-packages/dateutil/parser.py", line 748, in parse return DEFAUL...
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What is the “right” way to iterate through an array in Ruby?

PHP, for all its warts, is pretty good on this count. There's no difference between an array and a hash (maybe I'm naive, but this seems obviously right to me), and to iterate through either you just do ...
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Getting DOM elements by classname

I'm using PHP DOM and I'm trying to get an element within a DOM node that have a given class name. What's the best way to get that sub-element? ...
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libcurl的使用总结 - C/C++ - 清泛网 - 专注C/C++及内核技术

libcurl的使用总结最近的项目中由于要在C++代码中调用PHP的URL,所以不得不借助libcurl这个库,由于第一次用,所以很多地方很是纠结,特此写在这里,方便给同...最近的项目中由于要在C++代码中调用PHP的URL,所以不得不借助libcurl...
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Resetting a setTimeout

...imer = window.setTimeout(function() { window.location.href = 'file.php'; }, 115000); } function onClick() { clearTimeout(g_timer); startTimer(); } share | improve this answer ...
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What is base 64 encoding used for?

... In a langange like php, were will binary data come from. We almost always work with string data which is text. – Cholthi Paul Ttiopic Sep 5 '16 at 14:02 ...