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Best way to iterate through a Perl array
..._ is aliased to the element in #1, but #2 and #3 actually copy the scalars from the array.)
#5 might be similar.
In terms memory usage: They're all the same except for #5.
for (@a) is special-cased to avoid flattening the array. The loop iterates over the indexes of the array.
In terms of readabil...
What is the size limit of a post request?
... max_input_vars which in my version of PHP: 5.4.16 defaults to 1000. From the manual: "How many input variables may be accepted (limit is applied to $_GET, $_POST and $_COOKIE superglobal separately)" Ref.: php.net/manual/en/info.configuration.php#ini.max-input-vars
– Ni...
how to run two commands in sudo?
Is there any way how I can run two Db2 commands from a command line? (They will be called from a PHP exec command.)
10 An...
Abstract class in Java
...stract class, which then can be instantiated. To do so you have to inherit from the abstract class and override the abstract methods, i.e. implement them.
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Git fails when pushing commit to github
...o git over ssh, and push it to github. Then when you try to do a push/pull from the original server it should work over https. (since it is a much smaller amount of data than an original push).
Hope this helps.
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Generate unique random numbers between 1 and 100
... This is how I always do it, too. So if I wanted ten random lines from a file with a bunch of lines in it, I do randlines file | head -10.
– tchrist
Sep 9 '12 at 19:38
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How do you find out the type of an object (in Swift)?
...anyMirror = Mirror(reflecting: anyObject)
Then to access the type itself from the Mirror struct you would use the property subjectType like so:
// Prints "String"
print(stringMirror.subjectType)
// Prints "Array<String>"
print(stringArrayMirror.subjectType)
// Prints "...
Size of Matrix OpenCV
...size of the row can be greater than element size x cols. This is different from the issue of continuous Mat and is related to data alignment.
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Python Matplotlib Y-Axis ticks on Right Side of Plot
I have a simple line plot and need to move the y-axis ticks from the (default) left side of the plot to the right side. Any thoughts on how to do this?
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How to apply `git diff` patch without Git installed?
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The patch generated is for the changes from the branch/refspec indicated in the command to the current or active branch. In other words, you want git diff from_branch > patchfile; git checkout from_branch; git patch -p1 < patchfile or git diff from_branch to...