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Why are preprocessor macros evil and what are the alternatives?
...are" level, your macro will act like a single statement, no matter if it's one statement or a hundred. Makes it hard to figure out what is going on.
Replacement: Use functions - inline if it needs to be "fast" (but beware that too much inline is not a good thing)
2) Macro expansions can have stra...
Make XAMPP/Apache serve file outside of htdocs [closed]
...ions on the old hosts file (right click > properties), and copy the new one into the directory over the old one (or rename the old one) if you are using Vista and have trouble).
Restart Apache.
Now you can access that directory by browsing to http://transitcalculator.localhost/.
Make an Alia...
How are 3D games so efficient? [closed]
...render, and
They take special advantage of your hardware.
For instance, one easy optimization you can make involves not actually trying to draw things that can't be seen. Consider a complex scene like a cityscape from Grand Theft Auto IV. The renderer isn't actually rendering all of the buildings...
Get Substring - everything before certain char
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Thanks I was close to this, but was curious if anyone had a different way to do it other than this combo. But yes this works great and is still pretty short.
– PositiveGuy
Dec 7 '09 at 2:55
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Real world example about how to use property feature in python?
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One simple use case will be to set a read only instance attribute , as you know leading a variable name with one underscore _x in python usually mean it's private (internal use) but sometimes we want to be able to read the in...
Visual Studio Editor does not underline errors anymore
...CodeRush and Resharper for evaluation purposes (decided not to keep either one of them).
7 Answers
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What Xcode keyboard shortcuts do you use regularly? [closed]
...es, Callers, and the Method list. Note that you can start typing after any one of those. (Very useful with Control-6.)
– funroll
Jun 5 '13 at 15:51
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How do I detect when someone shakes an iPhone?
I want to react when somebody shakes the iPhone. I don't particularly care how they shake it, just that it was waved vigorously about for a split second. Does anyone know how to detect this?
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Preferred method to store PHP arrays (json_encode vs serialize)
...is your absolute driving characteristic, then by all means use the fastest one. Just make sure you have a full understanding of the differences before you make a choice
Unlike serialize() you need to add extra parameter to keep UTF-8 characters untouched: json_encode($array, JSON_UNESCAPED_UNICOD...
Getting activity from context in android
This one has me stumped.
11 Answers
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