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jQuery first child of “this”
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I've added jsperf test to see the speed difference for different approaches to get the first child (total 1000+ children)
given, notif = $('#foo')
jQuery ways:
$(":first-child", notif) - 4,304 ops/sec - fastest
notif.children(":first") - 653 ...
How to use regex in String.contains() method in Java
...
public static void main(String[] args) {
String test = "something hear - to - find some to or tows";
System.out.println("1.result: " + contains("- to -( \\w+) som", test, null));
System.out.println("2.result: " + contains("- to -( \\w+) som", test, 5));
}
static bo...
How do I get a Cron like scheduler in Python? [closed]
... self.action(*self.args, **self.kwargs)
(Note: Not thoroughly tested)
Then your CronTab can be specified in normal python syntax as:
c = CronTab(
Event(perform_backup, 0, 2, dow=6 ),
Event(purge_temps, 0, range(9,18,2), dow=range(0,5))
)
This way you get the full power of Python...
How to remove spaces from a string using JavaScript?
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SHORTEST and FASTEST: str.replace(/ /g, '');
Benchmark:
Here my results - (2018.07.13) MacOs High Sierra 10.13.3 on Chrome 67.0.3396 (64-bit), Safari 11.0.3 (13604.5.6), Firefox 59.0.2 (64-bit) ):
SHORT strings
Short string simi...
Does git return specific return error codes?
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I set-up a test to fail. This is what I got:
$ git merge newbranch
Auto-merging test.txt
CONFLICT (content): Merge conflict in test.txt
Automatic merge failed; fix conflicts and then commit the result.
$ echo $?
1
Git returns 0 when...
What's the best way to use R scripts on the command line (terminal)?
...he #! line:
#!/usr/bin/R --random --switches --f
Not knowing R, I can't test properly, but this seems to work:
axa@artemis:~$ cat r.test
#!/usr/bin/R -q -f
error
axa@artemis:~$ ./r.test
> #!/usr/bin/R -q -f
> error
Error: object "error" not found
Execution halted
axa@artemis:~$
...
How do I convert an HttpRequestBase into an HttpRequest object?
...ike mentioned in ASP.NET: Removing System.Web Dependencies for better unit testing support.
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Returning a boolean from a Bash function
...[[ -n $1 ]] ; then
return 0
else
return 1
fi
}
#Test
if is_directory $1 ; then
echo "Directory exist"
else
echo "Directory does not exist!"
fi
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IF statement: how to leave cell blank if condition is false (“” does not work)
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Well, the problem for me is not the results of the "blank test" per say, but rather the following: I apply the if statement to a whole row, and then I would like to use Go To -> Special -> Blanks to delete the blank cells from the row, i.e. the cells for which the condition wa...
Regex to match string containing two names in any order
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You can do checks using lookarounds:
^(?=.*\bjack\b)(?=.*\bjames\b).*$
Test it.
This approach has the advantage that you can easily specify multiple conditions.
^(?=.*\bjack\b)(?=.*\bjames\b)(?=.*\bjason\b)(?=.*\bjules\b).*$
...