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What is the difference between Factory and Strategy patterns?
...of a specific type. A strategy pattern is use to perform an operation (or set of operations) in a particular manner. In the classic example, a factory might create different types of Animals: Dog, Cat, Tiger, while a strategy pattern would perform particular actions, for example, Move; using Run, W...
mysql: see all open connections to a given database?
..._connected | 127 |
+--------------------------+-------+
7 rows in set (0.01 sec)
Feel free to use
Mysql-server-status-variables or Too-many-connections-problem
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Why Qt is misusing model/view terminology?
...you keep being bothered it will only slow you down, and the way things are set up in Qt does allow elegant design - which weighs more that their "wrong" naming conventions.
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Do htmlspecialchars and mysql_real_escape_string keep my PHP code safe from injection?
...re using as a number, was actually numeric. In PHP you should widely use a set of functions to check that inputs are integers, floats, alphanumeric etc. But when it comes to SQL, heed most the value of the prepared statement. The above code would have been secure if it was a prepared statement as ...
Why is x86 ugly? Why is it considered inferior when compared to others? [closed]
...rt with a simpler ISA. Some assembly classes teach an ultra-simplified subset of x86 called y86, which is simplified beyond the point of not being useful for real use (e.g. no shift instructions), or some teach just the basic x86 instructions.
The x86 uses variable-length opcodes, which add hardwar...
data type not understood
... editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
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Why doesn't margin:auto center an image?
...me problem.
My image was inheriting a float:left from a parent class. By setting float:none I was able to make margin:0 auto and display: block work properly. Hope it may help someone in the future.
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How to get ELMAH to work with ASP.NET MVC [HandleError] attribute?
...or handler is actually handling the error, ignoring what you might want to set up as a customError tag or through ErrorHandler or your own error handler
The best solution IMHO is to create a filter that will act at the end of all the other filters and log the events that have been handled already. T...
setTimeout or setInterval?
...
They essentially try to do the same thing, but the setInterval approach will be more accurate than the setTimeout approach, since setTimeout waits 1000ms, runs the function and then sets another timeout. So the wait period is actually a bit more than 1000ms (or a lot more if ...
Include CSS,javascript file in Yii Framework
...ted folder.
Files we including has path : /protected/extensions/fancybox/assets/
<?php
// Fancybox stuff.
$assetUrl = Yii::app()->getAssetManager()->publish(Yii::getPathOfAlias('ext.fancybox.assets'));
Yii::app()->clientScript->registerScriptFile($assetUrl.'/jquery.fancybox-1.3.4.pac...