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Is using 'var' to declare variables optional? [duplicate]

... use var the variable is declared within the scope you are in (e.g. of the function). If you don't use var, the variable bubbles up through the layers of scope until it encounters a variable by the given name or the global object (window, if you are doing it in the browser), where it then attaches. ...
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How do I read text from the (windows) clipboard from python?

...) win32clipboard.EmptyClipboard() win32clipboard.SetClipboardText('testing 123') win32clipboard.CloseClipboard() # get clipboard data win32clipboard.OpenClipboard() data = win32clipboard.GetClipboardData() win32clipboard.CloseClipboard() print data An important reminder from the documentation: ...
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What is Haskell used for in the real world? [closed]

...f you want to know "why Haskell?", then you need to consider advantages of functional programming languages (taken from https://c2.com/cgi/wiki?AdvantagesOfFunctionalProgramming): Functional programs tend to be much more terse than their ImperativeLanguage counterparts. Often this leads to en...
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Embed SVG in SVG?

... Use the image element and reference your SVG file. For fun, save the following as recursion.svg: <svg width="100%" height="100%" viewBox="-100 -100 200 200" version="1.1" xmlns="http://www.w3.org/2000/svg"> <circle cx="-50" cy="-50" r="30" style="fill:red" /> ...
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Centering a background image, using CSS

...could make a screenshot and upload it to your server or a free pic hosting site like photobucket.com, or make a temporary example at www.jsfiddle.net and post a link for us. From what you've said, the image is 1600x1200 and most screen resolutions don't go that high, try resizing your image to fit. ...
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NSString tokenize in Objective-C

... As a reference to future readers, I'd like to note that the opposite is [anArray componentsJoinedByString:@":"];. – Ivan Vučica Feb 6 '12 at 18:12 2 ...
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Should programmers use SSIS, and if so, why? [closed]

...ou'll get much more return on your training. Also finding and maintaining functionality in a VS solution is so very much easier. Unit testing with VS is easy. All I need to do is to check in the source in Subversion, and verify how it loaded. Unit testing SSIS packages is very involved to put it mi...
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How can I set Image source with base64

...@TruthSerum we are not using it, since we switch to a React stack. But for fun, do you have statistical evidence to prove your claim? Do you really think that there are no legacy web apps using jQuery? Your comment is based on your personal opinion, and really a waste of my personal time. Also if y...
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How to combine class and ID in CSS selector?

...e used to apply styles to the page. Let's say you have a general magazine site. Every page on the site is going to have the same elements--header, nav, main article, sidebar, footer. But your magazine has different sections--economics, sports, entertainment. You want the three sections to have d...
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Tracking the script execution time in PHP

... 123 Shorter version of talal7860's answer <?php // At start of script $time_start = microtime(...