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Difference between VARCHAR and TEXT in MySQL [duplicate]

...up to 16 MB, LONGTEXT up to 4 GB. If you use LONGTEXT and get the data via PHP (at least if you use mysqli without store_result), you maybe get a memory allocation error, because PHP tries to allocate 4 GB of memory to be sure the whole string can be buffered. This maybe also happens in other langua...
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Align image in center and middle within div

... } #over img { margin-left: auto; margin-right: auto; display: block; } <div id="over" style="position:absolute; width:100%; height:100%"> <img src="http://www.garcard.com/images/garcard_symbol.png"> </div> JSFiddle ...
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The static keyword and its various uses in C++

...the file, the variable is accessible. It can be of two types: (i) Local or Block Scope. (ii) Global Scope 2. Duration : Determines when a variable is created and destroyed. Again it's of two types: (i) Automatic Storage Duration (for variables having Local or Block scope). (ii) Static Storage Durat...
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throws Exception in finally blocks

Is there an elegant way to handle exceptions that are thrown in finally block? 15 Answers ...
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GCD to perform task in main thread

...d to check whether you’re already on the main thread. By dispatching the block to the main queue, you’re just scheduling the block to be executed serially on the main thread, which happens when the corresponding run loop is run. If you already are on the main thread, the behaviour is the same: ...
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Width equal to content [duplicate]

... By default p tags are block elements, which means they take 100% of the parent width. You can change their display property with: #container p { display:inline-block; } But it puts the elements side by side. To keep each element on its ow...
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Using Default Arguments in a Function

I am confused about default values for PHP functions. Say I have a function like this: 12 Answers ...
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Is it possible to apply CSS to half of a character?

...); }); }); .halfStyle { position: relative; display: inline-block; font-size: 80px; /* or any font size will work */ color: black; /* or transparent, any color */ overflow: hidden; white-space: pre; /* to preserve the spaces from collapsing */ } .halfStyle:befo...
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How do you deal with configuration files in source control?

... I use this approach, I just have a main.php.tmpl and when I checkout a new copy just copy it to main,php. I add the main.php file to the ignore list to avoid commit it by accident. – levhita Sep 15 '08 at 18:10 ...
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What are fixtures in programming?

... I think PHP-unit tests have very good explaining of this: One of the most time-consuming parts of writing tests is writing the code to set the world up in a known state and then return it to its original state when the test i...