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Determine Whether Two Date Ranges Overlap
....end >= B.start AND A.start <= B.end
You can tune the use of >= vs > and <= vs < to meet your requirements for degree of overlap.
ErikE comments:
You can only get 13 if you count things funny... I can get "15 possible relations that two intervals can have" when I go crazy ...
SQL query to find record with ID not in another table
...ecific to PostgreSQL though: https://explainextended.com/2009/09/16/not-in-vs-not-exists-vs-left-join-is-null-postgresql/
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Advantages of std::for_each over for loop
... a huge win.
Update 1:
Most importantly, it helps you go beyond for_each vs. for-loops like that's all there is, and look at the other STL-alogs, like find / sort / partition / copy_replace_if, parallel execution .. or whatever.
A lot of processing can be written very concisely using "the rest" of...
How can I preview a merge in git?
...D, so that's why just ..otherbranch instead of HEAD..otherbranch.
The two vs. three dots have slightly different meaning for diff than for the commands that list revisions (log, gitk etc.). For log and others two dots (a..b) means everything that is in b but not a and three dots (a...b) means every...
Java Synchronized Block for .class
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what is the class instance vs the instance?
– Weishi Zeng
Jun 19 '16 at 9:09
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Where is the syntax for TypeScript comments documented?
...mber): string {
return bar.toString()
}
This will cause editors like VS Code to display it as the following:
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Fastest method of screen capturing on Windows
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msdn.microsoft.com/en-us/library/dd183370%28VS.85%29.aspx Excerpt: If the color formats of the source and destination device contexts do not match, the BitBlt function converts the source color format to match the destination format.
– user244343...
in iPhone App How to detect the screen resolution of the device
...ns of "points" and "scale" are only an approximation. (See specs on iPhone vs iPad vs iPad mini.) Presumably to reduce the number of different combinations that exist. I think iPhone 6 Plus is particularly far off.
– ToolmakerSteve
Dec 11 '15 at 18:37
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How do I detect when someone shakes an iPhone?
...the original notification.
Also: You may choose to cue off of motionBegan vs. motionEnded. It's up to you. In my case, the effect always needs to take place after the device is at rest (vs. when it starts shaking), so I use motionEnded. Try both and see which one makes more sense ... or detect/noti...
Why does GCC generate such radically different assembly for nearly the same C code?
...k at what different versions of gcc produce? 3.x and 4.x in particular 4.5 vs 4.6 vs 4.7, etc? and for different target processors, x86, arm, mips, etc or different flavors of x86 if that is the native compiler you use, 32 bit vs 64 bit, etc? And then llvm (clang) for different targets?
Mystical ...