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How to add facebook share button on my website?

...;a href="https://www.facebook.com/sharer/sharer.php?u=example.org" target="_blank"> Share on Facebook </a> Documentation can be found at https://developers.facebook.com/docs/reference/plugins/share-links/ share ...
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How to prevent XSS with HTML/PHP?

...e this function is something like this: echo htmlspecialchars($string, ENT_QUOTES, 'UTF-8'); Google Code University also has these very educational videos on Web Security: How To Break Web Software - A look at security vulnerabilities in web software What Every Engineer Needs to Know About Se...
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Can dplyr package be used for conditional mutating?

... ifelse(a == 0 | a == 1 | a == 4 | a == 3 | c == 4, 3, NA))) Added - if_else: Note that in dplyr 0.5 there is an if_else function defined so an alternative would be to replace ifelse with if_else; however, note that since if_else is stricter than ifelse (both legs of the condition must have the ...
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How to write a CSS hack for IE 11? [duplicate]

...ht of the evolving thread, I have updated the below: IE 11 (and above..) _:-ms-fullscreen, :root .foo { property:value; } IE 10 and above _:-ms-lang(x), .foo { property:value; } or @media all and (-ms-high-contrast: none), (-ms-high-contrast: active) { .foo{property:value;} } IE 10 only...
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jQuery: Select data attributes that aren't empty?

...his Code Snippet. * Snippet is running jQuery v2.1.1 jQuery('div.test_1 > a[href]').addClass('match'); jQuery('div.test_2 > a[href!=""]').addClass('match'); jQuery('div.test_3 > a[href!=""][href]').addClass('match'); div,a { display: block; color: #333; margin: 5px; ...
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libxml/tree.h no such file or directory

...ude/libxml2" to the Header Search Path (XCode 4.2), than it says that " "_OBJC_METACLASS_$_UIResponder", referenced from: _OBJC_METACLASS_$_D2GAppDelegate in MyDemoAppDelegate.o ld: symbol(s) not found for architecture i386". What can i do? – NicTesla A...
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How to install Xcode Command Line Tools

...ion Command Line Tools! So just try: http://adcdownload.apple.com/ios/ios_simulator__resigned/cltools_mountainliondp2_march12.dmg Here is my Console log: 01/04/2012 15:41:54.258 Xcode: [MT] DVTDownloadable: Download failed. Downloadable: { dependencies = ( ); fileSize = 141452226...
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Why would $_FILES be empty when uploading files to PHP?

...empt to upload any file from a form, it seems to upload, but in PHP, the $_FILES array is empty. There is no file in the c:\wamp\tmp folder. I have configured php.ini to allow file uploads and such. The tmp folder has read/write privileges for the current user. I'm stumped. ...
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Scala @ operator

...n itself? That would be accomplished with this: o match { case x @ Some(_) => println(x) case None => } Note that @ can be used at any level, not just at the top level of the matching. share | ...
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What is the difference between “long”, “long long”, “long int”, and “long long int” in C++?

...stdint.h> seems to be the proper way to ensure bitwidths using the int##_t types, though it's not yet part of the standard.] share | improve this answer | follow ...