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calculating the difference in months between two dates
... figure out a formula for total months difference. Variable days per month and leap years keep throwing me off. How can I get TotalMonths ?
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How do I move an existing Git submodule within a Git repository?
...ules:
Since git 1.8.5, git mv old/submod new/submod works as expected and does all the plumbing for you. You might want to use git 1.9.3 or newer, because it includes fixes for submodule moving.
The process is similar to how you'd remove a submodule (see How do I remove a submodule?):
Edi...
WSGI vs uWSGi with Nginx [closed]
...Ok, guys this confusion is because of lack of detail from several sources, and the naming of these protocols, and what WSGI actually is.
Summary:
WSGI and uwsgi both ARE protocols, not servers. It is used to communicate with web servers for load balancing and especially to take advantage of extr...
std::function vs template
...ew additions. The most popular is that they are horribly slow. I tested it and they truly suck in comparison with templates.
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Is it better to specify source files with GLOB or each file individually in CMake?
...ouch" the CMakeLists.txt that does the glob, either by using the touch command or by writing the file with no changes. This will force CMake to re-run and pick up the new file.
To fix the second problem you can organize your code carefully into directories, which is what you probably do anyway. In ...
No == operator found while comparing structs in C++
...han: Why would C++ know how you want to compare your structs for equality? And if you want the simple way, there's always memcmp so long your structs don't contain pointer.
– Xeo
Apr 21 '11 at 6:59
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Using tags in the with other HTML
...upposed to generate some data structure using all the css styles on a page and use that for rendering?
11 Answers
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What's the difference between a method and a function?
... called by name. It can be passed data to operate on (i.e. the parameters) and can optionally return data (the return value). All data that is passed to a function is explicitly passed.
A method is a piece of code that is called by a name that is associated with an object. In most respects it is id...
Why should hash functions use a prime number modulus?
...g the "component parts" of the input (characters in the case of a string), and multiplying them by the powers of some constant, and adding them together in some integer type. So for example a typical (although not especially good) hash of a string might be:
(first char) + k * (second char) + k^2 * ...
Join vs. sub-query
I am an old-school MySQL user and have always preferred JOIN over sub-query. But nowadays everyone uses sub-query, and I hate it; I don't know why.
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