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Better way to check variable for null or empty string?
Since PHP is a dynamic language what's the best way of checking to see if a provided field is empty?
10 Answers
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What does “pending” mean for request in Chrome Developer Window?
What does " Pending " mean under the status column in the " Network " tab of Google Chrome Developer window?
11 Answers
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How to normalize a path in PowerShell?
...path based off the initial working directory (not your current location).
What you do is you first qualify your path:
Join-Path (Join-Path (pwd) fred\frog) '..\frag'
This yields (given my current location):
C:\WINDOWS\system32\fred\frog\..\frag
With an absolute base, it is safe to call the .N...
What is the difference between 'my' and 'our' in Perl?
I know what my is in Perl. It defines a variable that exists only in the scope of the block in which it is defined. What does our do?
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How to find the nearest parent of a Git branch?
...t sounds like it also exists in the remote), you should be able to achieve what I think you want, but the approach is a bit different from what you have envisioned.
Git’s history is based on a DAG of commits. Branches (and “refs” in general) are just transient labels that point to specific co...
What does Class mean in Java?
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What's the benefit of doing this over just simply using Class without a type? They seem to represent the same thing.
– ashes999
Jun 22 '13 at 14:47
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What to do with commit made in a detached head
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This is what I did:
Basically, think of the detached HEAD as a new branch, without name. You can commit into this branch just like any other branch. Once you are done committing, you want to push it to the remote.
So the first thin...
How to kill a child process after a given timeout in Bash?
...t 10 ping www.goooooogle.com
If you don't want to download something, do what timeout does internally:
( cmdpid=$BASHPID; (sleep 10; kill $cmdpid) & exec ping www.goooooogle.com )
In case that you want to do a timeout for longer bash code, use the second option as such:
( cmdpid=$BASHPID; ...
What does the exclamation mark do before the function?
...) which has higher precedence than ! and instantly calls the function.
So what the author is doing is saving a byte per function expression; a more readable way of writing it would be this:
(function(){})();
Lastly, ! makes the expression return true. This is because by default all IIFE return u...
How to 'git pull' into a branch that is not the current one?
...git pull in the main folder to synchronise it with origin/master. This is what I am trying to avoid.
– Malvineous
Sep 25 '13 at 5:41
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