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Python - Create a list with initial capacity
...ge the duration)
simple append 0.0102
pre-allocate 0.0098
Conclusion. It barely matters.
Premature optimization is the root of all evil.
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How do I display the current value of an Android Preference in the Preference summary?
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There are ways to make this a more generic solution, if that suits your needs.
For example, if you want to generically have all list preferences show their choice as summary, you could have this for your onSharedPreferenceChanged implementation:
public void onSharedPreferenceChanged(Sh...
python: How do I know what type of exception occurred?
...standing when you can break the "rule". Here is an explanation. Basically, it's so that you don't hide:
the fact that an error occurred
the specifics of the error that occurred (error hiding antipattern)
So as long as you take care to do none of those things, it's OK to catch the generic except...
Inner text shadow with CSS
I am currently playing around with CSS3 and trying to achieve a text effect like this (the black blurry inner shadow):
22 A...
How can I get a resource content from a static context?
... do much of anything else like setText on widgets, so how can I do that without an activity object to call getResources() on?
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Trim trailing spaces in Xcode
Is there a way to force Xcode to trim trailing whitespaces when I save file?
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How to prevent a jQuery Ajax request from caching in Internet Explorer?
...st. To turn cache off for a particular $.ajax() call, set cache: false on it locally, like this:
$.ajax({
cache: false,
//other options...
});
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Change color of PNG image via CSS?
Given a transparent PNG displaying a simple shape in white, is it possible to somehow change the color of this through CSS? Some kind of overlay or what not?
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Differences between unique_ptr and shared_ptr [duplicate]
... idiom means "I'm returning a managed resource to you. If you don't explicitly capture the return value, then the resource will be cleaned up. If you do, then you now have exclusive ownership of that resource." In this way, you can think of unique_ptr as a safer, better replacement for auto_ptr.
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