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How do I get the type of a variable?
...ns integer on your compiler. The names returned are not specified by the standard.
– Bo Persson
Jul 3 '12 at 12:59
12
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Golang: How to pad a number with zeros when printing?
...d|%6d|\n", 12, 345)
Notice the 0 in %06d, that will make it a width of 6 and pad it with zeros. The second one will pad with spaces.
You can see it in action here: http://play.golang.org/p/cinDspMccp
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Count number of occurrences of a pattern in a file (even on same line)
...occurrences, use -o. Try this:
echo afoobarfoobar | grep -o foo | wc -l
And man grep of course (:
Update
Some suggest to use just grep -co foo instead of grep -o foo | wc -l.
Don't.
This shortcut won't work in all cases. Man page says:
-c print a count of matching lines
Difference in these...
Maximum number of threads in a .NET app?
What is the maximum number of threads you can create in a C# application? And what happens when you reach this limit? Is an exception of some kind thrown?
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How to use System.Net.HttpClient to post a complex type?
...ct that contains the correct properties, serializing it using this method, and passing it that way, but I get a 500 Internal Server Error. It never hits the web api controller method.
– indot_brad
Apr 24 '12 at 20:14
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ReactJS - Does render get called any time “setState” is called?
Does React re-render all components and sub components every time setState() is called?
7 Answers
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How to read keyboard-input?
...f you use Python 2
input('Enter your input:') # If you use Python 3
and if you want to have a numeric value
just convert it:
try:
mode=int(raw_input('Input:'))
except ValueError:
print "Not a number"
share...
What's the difference between django OneToOneField and ForeignKey?
What's the difference between Django OneToOneField and ForeignKey ?
9 Answers
9
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Clear back stack using fragments
I ported my Android app to honeycomb and I did a big refactor in order to use fragments. In my previous version, when I pressed the Home button I used to do a ACTIVITY_CLEAR_TOP in order to reset the back stack.
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How to delete the last n commits on Github and locally?
...itory. You can remove it with git push -f
– Ivan Fernandez
Jan 14 '13 at 11:33
Can you generalize this for last n numb...