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Why a function checking if a string is empty always returns true? [closed]

... Simple problem actually. Change: if (strTemp != '') to if ($strTemp != '') Arguably you may also want to change it to: if ($strTemp !== '') since != '' will return true if you pass is numeric 0 and a few other cases due to PHP's autom...
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Is there any way to call a function periodically in JavaScript?

Is there any way to call a function periodically in JavaScript? 9 Answers 9 ...
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Why am I getting “Unable to find manifest signing certificate in the certificate store” in my Excel

... @RubensMariuzzo - not if you actually want to sign it – Matt Wilko Jan 15 '16 at 16:19 ...
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How do I start Mongo DB from Windows?

I have installed MongoDB on my Windows 7 (64 bit) machine. I have created the path data/db too but when I tried to start mongodb using the command 'C:\mongodb\bin\mongod.exe' , it is not starting. It is showing admin web console waiting for connections on port 28017 . ...
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Tainted canvases may not be exported

... likely on your local drive!). While testing try these workarounds: Put all page related files (.html, .jpg, .js, .css, etc) on your desktop (not in sub-folders). Post your images to a site that supports cross-domain sharing (like dropbox.com). Be sure you put your images in dropbox's public fol...
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How do I flush the cin buffer?

... @Nic - of course, this tells the code to ignore ALL characters until the amount specified. In the main example, it will ignore essentially until EOF (because INT_MAX is huge). As mentioned in the post, if you just want to ignore a single line, you need to specify an extr...
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JavaFX and OpenJDK

...s a modular library accessed from an existing JDK (such as an Open JDK installation). The open source code repository for JavaFX is at https://github.com/openjdk/jfx. At the source location linked, you can find license files for open JavaFX (currently this license matches the license for OpenJDK...
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What is the difference between '/' and '//' when used for division?

...floating point division, and the latter is floor division, sometimes also called integer division. In Python 2.2 or later in the 2.x line, there is no difference for integers unless you perform a from __future__ import division, which causes Python 2.x to adopt the 3.x behavior. Regardless of the ...
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How to load a xib file in a UIView

... To get an object from a xib file programatically you can use: [[NSBundle mainBundle] loadNibNamed:@"MyXibName" owner:self options:nil] which returns an array of the top level objects in the xib. So, you could do something like this: UIView *rootView = [[[NSBundle mai...
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Render a string in HTML and preserve spaces and linebreaks

... you can use css to change the style. i just wrote a really basic example. you can use <pre> tag or use css as per @pete's answer. – N30 Feb 29 '12 at 2:30 ...