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Why does Python code run faster in a function?
... until a dictionary is requested (e.g. via locals(), or inspect.getframe() etc.). Looking up an array element by a constant integer is much faster than searching a dict.
– dmw
Jun 28 '12 at 21:53
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Calculate MD5 checksum for a file
... @Quibblesome, I was just trying to promote the general idea that the order of nesting of using statements matters. Elsewhere, the difference might be significant. Why not practice the habit of detecting failure early? I agree, though, that in this specific snippet, the habit brings almost no b...
How do I make a list of data frames?
...enty of detail of how to assign data frames to list elements, access them, etc. We'll cover that a little here too, but the Main Point is to say don't wait until you have a bunch of a data.frames to add them to a list. Start with the list.
The rest of the this answer will cover some common cases wh...
How do I assign an alias to a function name in C++?
... "set" so it's intuitive for context (set a default-constructed, clear()'d etc.; reset working object). Class methods: (1) "void (&set)(const string&,const bool,const bool);" (2) void (&set)(const string&,const int,const bool); 2 "reset" w/corresponding signatures do the work. Since...
Best way to obfuscate an e-mail address on a website?
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I find it ironic that in order to protect your email you have to enter it in to a random, shady-looking form at the site you linked to. Honeypotting, anyone? :)
– srobinson
Apr 3 '15 at 14:45
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How to embed a SWF file in an HTML page?
... />
<param name="wmode" value="transparent" /> <!-- Or opaque, etc. -->
<!-- ↓ Required paramter or not, depends on application -->
<param name="FlashVars" value="" />
<param name="quality" value="high" />
<param name="menu" value="false" />
</object>...
How do I give text or an image a transparent background using CSS?
...if you want to do something fancier (e.g. animation, multiple backgrounds, etc.), or if you don't want to rely on CSS3, you can try the “pane technique”:
.pane, .pane > .back, .pane > .cont { display: block; }
.pane {
position: relative;
}
.pane > .back {
position: absolute;
...
What is the difference between shallow copy, deepcopy and normal assignment operation?
...
In python, when we assign objects like list, tuples, dict, etc to another object usually with a ' = ' sign, python creates copy’s by reference. That is, let’s say we have a list of list like this :
list1 = [ [ 'a' , 'b' , 'c' ] , [ 'd' , 'e' , 'f' ] ]
and we assign another li...
Android SDK installation doesn't find JDK
... leave a note for those seeking for another way (without registry hacking, etc.) to solve this on a Windows 64 bit system. Just add PATH (capital letters!!) to your environment Variables and set the value to your JDK-Path.
I added JDK to the existing "Path" which did not work, like it didn't with J...
Are fluid websites worth making anymore? [closed]
...wsers), especially with min- and max-height in CSS, and the new gradients, etc in CSS3, so image scaling won't be as big a problem in the near future.
In response to the comment below, I think that the pros outweigh the cons in this particular case - IE6 is a problem everywhere. We just have to dea...