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Advantage of switch over if-else statement
...d the difficulty of generating switch case chains, that mapping may become more important. (and yes, ancient comment, but the web is forever, or at least until next tuesday)
– Yakk - Adam Nevraumont
Apr 25 '13 at 15:32
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What does android:layout_weight mean?
I don't understand how to use this attribute. Can anyone tell me more about it?
13 Answers
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Regex lookahead for 'not followed by' in grep
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Negative lookahead, which is what you're after, requires a more powerful tool than the standard grep. You need a PCRE-enabled grep.
If you have GNU grep, the current version supports options -P or --perl-regexp and you can then use the regex you wanted.
If you don't have (a suffic...
How well is Unicode supported in C++11?
...ink all but the first one provide terrible support. I'll get back to it in more detail after a quick detour through your other questions.
Does std::string do what it should?
Yes. According to the C++ standard, this is what std::string and its siblings should do:
The class template basic_s...
When and why would you seal a class?
...s security features, so that the original object cannot be "impersonated".
More generally, I recently exchanged with a person at Microsoft, who told me they tried to limit the inheritance to the places where it really made full sense, because it becomes expensive performance-wise if left untreated. ...
How do I properly force a Git push?
... @Jeewes But with Git 2.0, the default is safer, or at least it's no more dangerous than git push origin master --force is.
– user456814
Aug 12 '14 at 14:24
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Split Java String by New Line
...y '\n'; its Views completely ignore '\r'. But if you're going to look for more than one kind of separator, you might as well look for all three: "\r?\n|\r".
– Alan Moore
Jan 18 '09 at 18:02
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PHP Function with Optional Parameters
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There is more that can be done that just the "use an array" suggestion - take a look at Walf's answer to a similar question and the more in-depth example in the same thread
– DJDave
Mar 16 '16 at...
Random number generation in C++11: how to generate, how does it work? [closed]
...action would be to take rand() % 3. But wait, the remainders 0 and 1 occur more often than the remainder 2, so this isn't correct!
This is why we need proper distributions, which take a source of uniform random integers and turn them into our desired distribution, like Uniform[0,2] in the example. ...
Which MySQL data type to use for storing boolean values
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Going for char, in PHP at least, will lead to more code as !$boolean will never evaluate properly without further processing.
– Mild Fuzz
Jun 1 '11 at 20:58
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