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Debug vs. Release performance
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Partially true. In debug mode, the compiler emits debug symbols for all variables and compiles the code as is. In release mode, some optimizations are included:
unused variables do not get compiled at all
some loop variables are ...
List of standard lengths for database fields
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with a variety of backgrounds, you should ask yourself whether you
really need to have separate fields for given name and family name.
… Bear in mind that names in some cultures can be quite a lot longer
than your own. … Avoid limiting the field size for names in your
database. In...
What is the C++ function to raise a number to a power?
... long double version it should take, and you would get an ambiguity error. All three would need a conversion from int to floating point, and all three are equally costly!
Therefore, be sure to have the first argument typed so it matches one of those three perfectly. I usually use double
pow(2.0, ...
Is it possible to decrypt MD5 hashes?
...gorithms), it is a one way hash function. Much of the original data is actually "lost" as part of the transformation.
Think about this: An MD5 is always 128 bits long. That means that there are 2128 possible MD5 hashes. That is a reasonably large number, and yet it is most definitely finite. And y...
Number of visitors on a specific page
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Go to Behavior > Site Content > All Pages and put your URI into the search box.
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How to get value of selected radio button?
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@mzalazar No, every radio-button has its own ID but all have the same name which is what puts them into one group so if you select one the other one gets deselected. With Kamran Ahmed answer you can check which of the radio buttons in the group is selected and get only the val...
Tetris-ing an array
...a include the algorithm to find the longest common prefix, thus making actually using a tree structure unnecessary? Ie why check the tree for multiple children when you could detect that while building the tree. Why then a tree at all? I mean if you start with an array already. If you can change the...
CSS: Truncate table cells, but fit as much as possible
... Thanks! Doesn't do exactly what the question said (truncate all columns evenly), but the behaviour of this code is what I was looking for.
– Sam
Nov 12 '15 at 5:55
3...
Correct way of using JQuery-Mobile/Phonegap together?
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For all those who say it doesn't work - the order of declaring script matters. First include jquery, THEN THIS CODE inside a script element, then jquery mobile js.
– Manish
May 18 '13 at 20:...
How to use a link to call JavaScript?
How to use a link to call JavaScript code?
9 Answers
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