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How to do what head, tail, more, less, sed do in Powershell? [closed]
On windows, using Powershell, what are the equivalent commands to linux's head , tail , more , less and sed ?
7 Answe...
Allow user to select camera or gallery for image
What I'm trying to do seems very simple, but after a few days of searching I can't quite figure it out.
17 Answers
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Why does git-rebase give me merge conflicts when all I'm doing is squashing commits?
We have a Git repository with over 400 commits, the first couple dozen of which were a lot of trial-and-error. We want to clean up these commits by squashing many down into a single commit. Naturally, git-rebase seems the way to go. My problem is that it ends up with merge conflicts, and these confl...
How to list running screen sessions?
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To list all of the screen sessions for a user, run the following command as that user:
screen -ls
To see all screen sessions on a specific machine you can do:
ls -laR /var/run/screen/
I get this on my machine:
gentle ~...
Google Guava isNullOrEmpty for collections
...e don't believe that "is null or empty" is a question you ever really want to be asking about a collection.
If a collection might be null, and null should be treated the same as empty, then get all that ambiguity out of the way up front, like this:
Set<Foo> foos = NaughtyClass.getFoos();
if ...
Handlebars/Mustache - Is there a built in way to loop through the properties of an object?
...ort since Handlebars 1.0rc1
Support for this functionality has been added to Handlebars.js, so there is no more need for external helpers.
How to use it
For arrays:
{{#each myArray}}
Index: {{@index}} Value = {{this}}
{{/each}}
For objects:
{{#each myObject}}
Key: {{@key}} Value = {{t...
Way to ng-repeat defined number of times instead of repeating over array?
Is there a way to ng-repeat a defined number of times instead of always having to iterate over an array?
26 Answers
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How to Sort Multi-dimensional Array by Value?
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Try a usort, If you are still on PHP 5.2 or earlier, you'll have to define a sorting function first:
function sortByOrder($a, $b) {
return $a['order'] - $b['order'];
}
usort($myArray, 'sortByOrder');
Starting in PHP 5.3, you can use an anonymous function:
usort($myArray, function(...
Is Chrome's JavaScript console lazy about evaluating arrays?
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Thanks for the comment, tec. I was able to find an existing unconfirmed Webkit bug that explains this issue: https://bugs.webkit.org/show_bug.cgi?id=35801 (EDIT: now fixed!)
There appears to be some debate regarding just how much of a bug it is and whether it's fi...
How to hide close button in WPF window?
I'm writing a modal dialog in WPF. How do I set a WPF window to not have a close button? I'd still like for its WindowState to have a normal title bar.
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