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git: How to diff changed files versus previous versions after a pull?
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@longda If you're sorting by votes (which I thought was default) it should already be at the top.
– Cascabel
Mar 29 '13 at 23:10
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How to calculate number of days between two given dates?
...en.wikipedia.org/wiki/Leap_year#Algorithm
## if (year is not divisible by 4) then (it is a common Year)
#else if (year is not divisable by 100) then (ut us a leap year)
#else if (year is not disible by 400) then (it is a common year)
#else(it is aleap year)
return (year % 4 == 0 ...
How can I use a file in a command and redirect output to the same file without truncating it?
...cause bash processes the redirections first, then executes the command. So by the time grep looks at file_name, it is already empty. You can use a temporary file though.
#!/bin/sh
tmpfile=$(mktemp)
grep -v 'seg[0-9]\{1,\}\.[0-9]\{1\}' file_name > ${tmpfile}
cat ${tmpfile} > file_name
rm -f ${...
Why aren't programs written in Assembly more often? [closed]
...in seconds. Because, you know, I can; and you know, you can't.
P.S. Oh, by the way you weren't using half of the code you wrote. I did you a favor and threw it away.
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Django ModelForm: What is save(commit=False) used for?
...want to use one of the specialized model saving options.
commit is True by default.
It seems that save( commit=False ) does create a model instance, which it returns to you. Which is neat for some post processing before actually saving it!
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How do I use WebStorm for Chrome Extension Development?
...ity stubs is selected
Select chrome from the list (you can find it quickly by just typing chrome)
Click Download and Install
Click OK to close the Settings dialog.
Steps 2-6 illustrated below:
In Subsequent Projects
In any subsequent project, you just:
Open the Settings dialog again (Fil...
Detecting when user has dismissed the soft keyboard
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I've been looking on several solution, this is by far the best!
– Friesgaard
Mar 20 '14 at 22:01
11
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How can I update window.location.hash without jumping the document?
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There is a workaround by using the history API on modern browsers with fallback on old ones:
if(history.pushState) {
history.pushState(null, null, '#myhash');
}
else {
location.hash = '#myhash';
}
Credit goes to Lea Verou
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C++ performance challenge: integer to std::string conversion
...h as 300 clockticks when linking as a DLL.
For the same reason, returning by reference is better because it avoids an assignment, a constructor and a destructor.
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Java 8: Where is TriFunction (and kin) in java.util.function? Or what is the alternative?
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In Java 8, constructive functions should be handled (most of the time) by using method references because there's not much advantage of using a constructive lambda function. They are a bit like static methods.
You can use them, but they have no real state.
The other type is the destructive one...