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What is an ORM, how does it work, and how should I use one? [closed]
...bases but the most popular is relational ( you know tables, columns, pk fk etc eg Oracle MySQL, MS-SQL )
And finally the Mapping part is where you do a bridge between your objects and your tables.
In applications where you don't use a ORM framework you do this by hand. Using an ORM framework wou...
What is an idempotent operation?
... information, you can PUT the new information as many times as it takes in order to get confirmation from the web service. PUT-ing it a thousand times is the same as PUT-ing it once. Similarly DELETE-ing a REST resource a thousand times is the same as deleting it once. Idempotence thus makes it a...
What's the difference between an object initializer and a constructor?
...
Object Initializers were something added to C# 3, in order to simplify construction of objects when you're using an object.
Constructors run, given 0 or more parameters, and are used to create and initialize an object before the calling method gets the handle to the created ob...
Can a class extend both a class and implement an Interface
...ld show up in the list of implemented methods too. So putting them in that order makes certain sense.
– Drew
Mar 16 '09 at 21:18
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How do I speed up the gwt compiler?
...ditional overhead from compile time.
Bottom line: you're not going to get order-of-magnitude increase in compiler performance, but taking several relaxations, you can shave off a few minutes here and there.
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Windows 7, 64 bit, DLL problems
... NB also that doing it this way makes you application sensitive to the order of the PATH variable, loading the system versions in some cases and ones in the local folders in others. M$ calls this a security problem, but frankly it's their fault for using the CWD in loads: support.microsoft.com/...
VIM Replace word with contents of paste buffer?
...n its place.
In practice, when I need to replace one word (function name, etc.) with another, I'll move to the one to use as a replacement, yiw to yank the inner word to the unnamed register, then move to the word I'm replacing, and viwp to replace it. Pretty quick way of substituting one word for ...
Length of an integer in Python
...s
Time for mod size: 249.36 ns
Time for fmt size: 336.63 ns
In order of speed (fastest first):
+ mod_size (1.000000x)
+ str_size (1.240835x)
+ math_size (1.321577x)
+ fmt_size (1.350007x)
+ libc_size (4.894290x)
+ exp_size (5.976219x)
(Disclaimer: the function is run on inputs 1 to 1,0...
How can I distribute python programs?
...talling Python + dependencies + the app itself (whether through distutils, etc, or just a zip file) is more involved, especially if the developer isn't able to manually configure the target machine himself and needs to provide instructions to the client. At least on Windows, I think that style of d...
How to manage local vs production settings in Django?
...local development and the production server? Some of them (like constants, etc) can be changed/accessed in both, but some of them (like paths to static files) need to remain different, and hence should not be overwritten every time the new code is deployed.
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