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How can I negate the return-value of a process?
...m negate -process that negates the value a process returns. It should map 0 to some value != 0 and any value != 0 to 0, i.e. the following command should return "yes, nonexistingpath doesn't exist":
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How can sbt pull dependency artifacts from git?
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answered Sep 26 '11 at 3:40
Kipton BarrosKipton Barros
19.7k33 gold badges6161 silver badges7575 bronze badges
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How to use > in an xargs command?
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201
Do not make the mistake of doing this:
sh -c "grep ABC {} > {}.out"
This will break under...
How does Duff's device work?
...re's the Wikipedia example with some notations.
Let's say you're copying 20 bytes. The flow control of the program for the first pass is:
int count; // Set to 20
{
int n = (count + 7) / 8; // n is now 3. (The "while" is going
// ...
Get first day of week in PHP?
...e('m-d-Y', strtotime('+'.(6-$day).' days'));
$day contains a number from 0 to 6 representing the day of the week (Sunday = 0, Monday = 1, etc.).
$week_start contains the date for Sunday of the current week as mm-dd-yyyy.
$week_end contains the date for the Saturday of the current week as mm-dd-yyy...
How can I make my flexbox layout take 100% vertical space?
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You should set height of html, body, .wrapper to 100% (in order to inherit full height) and then just set a flex value greater than 1 to .row3 and not on the others.
.wrapper, html, body {
height: 100%;
margin: 0;
}
.wrapper {
display: flex;
flex-directio...
How to convert hex to rgb using Java?
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answered Nov 9 '10 at 1:27
xhhxhh
3,74222 gold badges1818 silver badges1717 bronze badges
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Why does Popen.communicate() return b'hi\n' instead of 'hi'?
...open("echo -n hi", \
shell=True, stdout=subprocess.PIPE).communicate()[0])
As for the b preceding the string it indicates that it is a byte sequence which is equivalent to a normal string in Python 2.6+
http://docs.python.org/3/reference/lexical_analysis.html#literals
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How to declare a friend assembly?
...:
[assembly:InternalsVisibleTo("Google.ProtocolBuffers.Test,PublicKey="+
"00240000048000009400000006020000002400005253413100040000010001008179f2dd31a648"+
"2a2359dbe33e53701167a888e7c369a9ae3210b64f93861d8a7d286447e58bc167e3d99483beda"+
"72f738140072bb69990bc4f98a21365de2c105e848974a3d210e938b0a561...
“Comparison method violates its general contract!”
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edited May 30 '14 at 6:34
rkg
15533 silver badges1313 bronze badges
answered Nov 30 '11 at...