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Difference between del, remove and pop on lists
...gt;>> a = [4, 5, 6]
>>> a.remove(7)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
ValueError: list.remove(x): x not in list
>>> del a[7]
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
IndexError: lis...
How to delete (not cut) in Vim?
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Use the "black hole register", "_ to really delete something: "_d.
Use "_dP to paste something and keep it available for further pasting.
For the second question, you could use <C-o>dw. <C-o> is used to execute a normal command without leaving ...
Git blame — prior commits?
...he other answer), it is a better way of this solution, as you won't potentially misblame the other lines.
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C++: what regex library should I use? [closed]
... slated to become part of the C++0x standard (it's already in TR1).
Personally, I find Boost.Xpressive much nicer to work with. It is a header-only library and it has some nice features such as static regexes (regexes compiled at compile time).
Update: If you're using a C++11 compliant compiler (g...
How to resolve “must be an instance of string, string given” prior to PHP 7?
... supposed to work to begin with. Given the dynamic typing system, this actually makes some sort of perverted sense.
You can only manually "type hint" scalar types:
function foo($string) {
if (!is_string($string)) {
trigger_error('No, you fool!');
return;
}
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}
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Is there a way to make a link clickable in the OSX Terminal?
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Before OSX Lion:
cmd+shift+double-click on a URL in Terminal.app and it will open in the default program.
OSX Lion:
cmd+double-click (otherwise you will enter fullscreen mode).
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Visual Studio opens the default browser instead of Internet Explorer
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For MVC2+ I just add a .htm file, usually named Starter.htm and the upper solution works fine. I usually also just add it to the solution instead of a project. It makes more sense that way for especially if I have a multi-web-project solution. Oh and you don't h...
How to add a line break in an Android TextView?
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'\r' actually shows as 'r' in text. So, as others suggested, '\n' does the trick.
– Miha Markic
May 10 '17 at 12:30
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Find out time it took for a python script to complete execution
...test function"
L = []
for i in range(100):
L.append(i)
if __name__=='__main__':
from timeit import Timer
t = Timer("test()", "from __main__ import test")
print t.timeit()
Then to convert to minutes, you can simply divide by 60. If you want the script runtime in an easi...
How to convert an int value to string in Go?
...ility was sacrificed to fit more functionality in. The creators of Go are all deeply embedded in that heritage and feel entirely comfortable with these names.
– Bryan
Sep 29 '16 at 10:15
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