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How to use double or single brackets, parentheses, curly braces
...ue
$ default="hello"; unset var; echo ${var:-$default}
hello
and several more
Also, brace expansions create lists of strings which are typically iterated over in loops:
$ echo f{oo,ee,a}d
food feed fad
$ mv error.log{,.OLD}
(error.log is renamed to error.log.OLD because the brace expression
ex...
Which Boost features overlap with C++11?
...d std::stoX.
Some Boost libraries are related to C++11 but also have some more extensions, e.g. Boost.Functional/Hash contains hash_combine and related functions not found in C++11, Boost.Chrono has I/O and rounding and many other clocks, etc. so you may still want to take a look at the boost ones ...
React.js: Wrapping one component into another
...ltiple Components: Children and Type of the Children props in the docs for more info.
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Java equivalent to #region in C#
...ianAgnew, I almost gave up until I saw other people's answers which helped more than yours. Seriously no hard feeling here, We are all here to learn and share our knowledge and am stating the fact that I was mislead by your answer, maybe it was a good one back in 2010 but not today. I hope you get m...
What is the best way to exit a function (which has no return value) in python before the function en
...ggest:
def foo(element):
do something
if not check: return
do more (because check was succesful)
do much much more...
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Removing duplicate rows in Notepad++
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More powerful than excel.
– Vasu
Apr 22 '15 at 21:58
6
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When would you use delegates in C#? [closed]
... have lambda expressions and anonymous methods in C#, I use delegates much more. In C# 1, where you always had to have a separate method to implement the logic, using a delegate often didn't make sense. These days I use delegates for:
Event handlers (for GUI and more)
Starting threads
Callbacks (e...
How to 'grep' a continuous stream?
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How do I use floating-point division in bash?
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True, but awk is generally more likely to be already installed in the system.
– CMCDragonkai
Jun 26 '14 at 6:57
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Render basic HTML view?
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More of a hack rather than a solution.
– Ozil
Dec 22 '17 at 7:58
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