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Java system properties and environment variables
What's the difference between system properties System.getProperties() and environment variables System.getenv() in a JVM?
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std::string formatting like sprintf
I have to format std::string with sprintf and send it into file stream. How can I do this?
40 Answers
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Specify width in *characters*
...eight of an x. More generally speaking, these are the heights of uppercase and lowercase letters.
Width is a totally different issue....
Change your example above to
<div>
<span>1</span> 3 5 7 9 1 3 5 7 9 1
</div>
and you will notice width and height of the span are...
How to “EXPIRE” the “HSET” child key in redis?
...tore along with the filed another field with an
expire time, fetch both, and let the application understand if it is
still valid or not based on current time.
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What's the concept of and differences between Framebuffer and Renderbuffer in OpenGL?
I'm confused about concept of Framebuffer and Renderbuffer. I know that they're required to render, but I want to understand them before use.
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Open files in 'rt' and 'wt' modes
Several times here on SO I've seen people using rt and wt modes for reading and writing files.
4 Answers
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PHP foreach change original array values
I am very new in multi dimensional arrays, and this is bugging me big time.
5 Answers
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Difference between size_t and std::size_t
What are the differences between size_t and std::size_t in terms of where they are declared, when they should be used and any other differentiating features?
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pytest: assert almost equal
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@Mr Kriss And even for dicts: assert {'a': 0.1+0.2} == pytest.approx({'a': 0.3})
– Antony Hatchkins
Apr 17 '17 at 18:56
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What's a redirect URI? how does it apply to iOS app for OAuth2.0?
...missions, "something" has to be called by Facebook to get back to the app, and that "something" is the redirect URI. Furthermore, the redirect URI should be different than the initial entry point of the app.
The other key point to this puzzle is that you could launch your app from a URL given to a ...