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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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When to use std::begin and std::end instead of container specific versions [duplicate]
...references or rules that explain when container specific versions of begin and end should be used instead of free functions std::begin and std::end ?
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Can you test google analytics on a localhost address?
..., however the technology has changed. The old Urchin tracker is deprecated and obsolete. The new asynchronous Google Analytics tracking code uses slightly different code to achieve the same results.
Google Analytics Classic - Asynchronous Syntax - ga.js
The current syntax for setting the tracking do...
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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AppStore - App status is ready for sale, but not in app store
... guess it messes up with the dates. Looks like sometimes if you do nothing and just follow the instructions, the app will never go live.
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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 ...
JPG vs. JPEG image formats
I often use JPEG images, and I have noticed that there are two very similar file extensions: .jpg , which my mobile's camera and the Preview application use, and .jpeg , with which Image Capture saves the images from scanning with my Canon MX455 printer. LaTeX doesn't seem to distinguish...
How to compare Unicode characters that “look alike”?
... Unicode characters to a certain normalization form before comparing them, and they should be able to match. Of course, which normalization form you need to use depends on the characters themselves; just because they look alike doesn't necessarily mean they represent the same character. You also nee...
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 * ...
What are the differences between a clustered and a non-clustered index?
What are the differences between a clustered and a non-clustered index ?
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