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Difference between single and double square brackets in Bash
... && b = b ]]: true, logical and
[ a = a && b = b ]: syntax error, && parsed as an AND command separator cmd1 && cmd2
[ a = a -a b = b ]: equivalent, but deprecated by POSIX³
[ a = a ] && [ b = b ]: POSIX and reliable equivalent
(
[[ (a = a || a = b) &...
How to capture a list of specific type with mockito
...
Not sure this example is complete. I get... Error:(240, 40) java: variable captor might not have been initialized i like tenshi's answer below
– Michael Dausmann
Oct 17 '14 at 6:13
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How do you format the day of the month to say “11th”, “21st” or “23rd” (ordinal indicator)?
...re of StackOverflow, so check the version history on the answer to see the error).
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How do I run two commands in one line in Windows CMD?
...mmand only if the first command did not complete successfully (receives an error code greater than zero).
( ) [...]
(command1 & command2)
Use to group or nest multiple commands.
; or ,
command1 parameter1;parameter2
Use to separate command parameters.
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Execute a command line binary with Node.js
...d_process');
const child = spawnSync('ls', ['-lh', '/usr']);
console.log('error', child.error);
console.log('stdout ', child.stdout);
console.log('stderr ', child.stderr);
Note: The following code is still functional, but is primarily targeted at users of ES5 and before.
The module for spawnin...
Expert R users, what's in your .Rprofile? [closed]
...tryCatch(
{options(
width = as.integer(Sys.getenv("COLUMNS")))},
error = function(err) {
write("Can't get your terminal width. Put ``export COLUMNS'' in your \
.bashrc. Or something. Setting width to 120 chars",
stderr());
options(width=120)}
)
This way R wi...
Sorting an IList in C#
...: IComparer<T>, IComparer
{
private readonly Comparison<T> _comparison;
public ComparisonComparer(Comparison<T> comparison)
{
_comparison = comparison;
}
public int Compare(T x, T y)
{
return _comparison(x, y);
}
public int Compare...
Codeigniter - no input file specified
I am a beginner in Codeigniter and I saw a CI tutorial and was just trying to do a simple thing. I downloaded the CI and added this file to controller directory, but it won't work.
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Quickly create a large file on a Linux system
...d" so it could take a very very very long time
– Xen2050
Jan 9 '17 at 7:41
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Creating a Radial Menu in CSS
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// see explanation from minute 33:10 youtube.com/watch?v=ehjoh_MmE9A
transform: rotate($curr-angle)
skewY(-$skew-angle)
scaleX($scale-factor);
// add tip for the item n the middle, just a rotated square
...