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What is the purpose of python's inner classes?
...r class:
Logical grouping of classes: If a class is useful to only one other class then it is logical to embed it in that class and keep the two together. Nesting such "helper classes" makes their package more streamlined.
Increased encapsulation: Consider two top-level classes A and B whe...
Good MapReduce examples [closed]
...the list, like:
3 : 3
4 : 3
5 : 2
8 : 2
The reductions can also be done in parallel, again providing a huge
advantage. We can then look at these final results and see that there
were only two words of length 5 in our corpus, etc...
The most common example of mapreduce is for counting...
Checkout one file from Subversion
...o. If so then do that.
If not then unfortunately you may have to find someone else who does have the whole directory checked out and get them to do it. Or maybe by the time you've made your modifications, the rest of it will have finished downloading...
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In what cases will HTTP_REFERER be empty
...HTTP_REFERER. Under what circumstances does this happen? If I get an empty one, does it always mean that the user changed it? Is getting an empty one the same as getting a null one? and under what circumstances do I get that too?
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Multiple submit buttons on HTML form – designate one button as default [duplicate]
...(note: positioning is used to push the button off-screen because display: none and visibility: hidden have browser-variable side-effects on whether the button is taken as default and whether it's submitted.)
share
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How to generate a random number in C++?
...em of your test application is that you call srand once and then call rand one time and exit.
The whole point of srand function is to initialize the sequence of pseudo-random numbers with a random seed.
It means that if you pass the same value to srand in two different applications (with the same sr...
Looking for a good world map generation algorithm [closed]
...Mar 25 '10 at 23:52
David JohnstoneDavid Johnstone
22.4k1414 gold badges6464 silver badges7171 bronze badges
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What are JavaScript's builtin strings?
...s {}, regular expressions /(?:)/, numbers 1.1, strings "1", and discovered one beautiful method of RegExp object called test(). Its name can be assembled from all available characters, e.g. "t" and "e" from true, and "s" from false. I have created a string "test" and addressed this method using squa...
Will Emacs make me a better programmer? [closed]
... know that manual tasks in any part of the software development cycle is prone to errors. Great programmers also know that if someone else builds your code (e.g the IDE or anyone) then you always depend on that one elses skills when it comes to maintaining the code (e.g the IDE or anyone)
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Regular expression for a string containing one word but not another
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Just to clear this up, it wasn't me. I can't see why someone would down-vote two answers here, they are both correct.
– Kobi
Jun 1 '10 at 20:47
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