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How to identify CAAnimation within the animationDidStop delegate?

...ter way to do completion code for CAAnimations: I created a typedef for a block: typedef void (^animationCompletionBlock)(void); And a key that I use to add a block to an animation: #define kAnimationCompletionBlock @"animationCompletionBlock" Then, if I want to run animation completion code ...
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Difference between var_dump,var_export & print_r

...2] => 42 [3] => Array ([0] => 42) ) var_export prints valid php code. Useful if you calculated some values and want the results as a constant in another script. Note that var_export can not handle reference cycles/recursive arrays, whereas var_dump and print_r check for these. var_exp...
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Setting DIV width and height in JavaScript

...roperties: document.getElementById("mydiv").setAttribute("style","display:block;cursor:pointer;cursor:hand;"); document.getElementById("mydiv").style.display = "block"; document.getElementById("mydiv").style.cursor = "hand"; Thus, the most cross-browser compatible example for you would be: docum...
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How do I render a partial of a different format in Rails?

... 3.2.3, when calling render :partial (only works outside of the respond_to block). render formats: [ :html ] instead of render format: 'html' share | improve this answer | ...
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Microsoft Excel mangles Diacritics in .csv files?

I am programmatically exporting data (using PHP 5.2) into a .csv test file. Example data: Numéro 1 (note the accented e). The data is utf-8 (no prepended BOM). ...
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Passing a method as a parameter in Ruby

...all(dist) ... end Just note that you can't set a default argument in a block declaration like that. So you need to use a splat and setup the default in the proc code itself. Or, depending on your scope of all this, it may be easier to pass in a method name instead. def weightedknn(data, vec...
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Possibility of duplicate Mongo ObjectId's being generated in two different collections?

...ing in Mongo itself, it is possible to have duplicate _id's generated with PHP in Mongo. The use-case where this has happened with regularity for me is when I'm looping through a dataset and attempting to inject the data into a collection. The array that holds the injection data must be explicitl...
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Remove white space below image [duplicate]

... element by default. This removes the gap: .youtube-thumb img { display: block; } share | improve this answer | follow | ...
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Handle Guzzle exception and get HTTP body

...ttp\Psr7\Response * (find it in ./vendor/guzzlehttp/psr7/src/Response.php) with all * its own and its 'Message' trait's methods. See more explanations below. * * So you can have: HTTP status code, message, headers and body. * Just check the exception object has the response ...
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Are there legitimate uses for JavaScript's “with” statement?

...b excitedly and found an existing mention of it: Defining Variables inside Block Scope. Background JavaScript, in spite of its superficial resemblance to C and C++, does not scope variables to the block they are defined in: var name = "Joe"; if ( true ) { var name = "Jack"; } // name now contains...