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Constant Amortized Time
... in simple terms:
If you do an operation say a million times, you don't really care about the worst-case or the best-case of that operation - what you care about is how much time is taken in total when you repeat the operation a million times.
So it doesn't matter if the operation is very slow onc...
Is git-svn dcommit after merging in git dangerous?
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Actually, I found an even better way with the --no-ff option on git merge.
All this squash technic I used before is no longer required.
My new workflow is now as follows:
I have a "master" branch that is the only branch that...
Regex Match all characters between two strings
...his is(.*)sentence.
The important thing here is that you activate the "dotall" mode of your regex engine, so that the . is matching the newline. But how you do this depends on your regex engine.
The next thing is if you use .* or .*?. The first one is greedy and will match till the last "sentence"...
Best way to display decimal without trailing zeroes
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+1 - incidentally, you don't need the leading #. "0.#####" works identically. And either way, this does round away from zero (just FYI).
– TrueWill
Jul 26 '10 at 22:44
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Find all elements on a page whose element ID contains a certain text using jQuery
I'm trying to find all elements on a page whose element ID contains a certain text. I'll then need to filter the found elements based on whether they are hidden or not. Any help is greatly appreciated.
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Laravel Check If Related Model Exists
...hp 7.2+ you can't use count on the relation object, so there's no one-fits-all method for all relations. Use query method instead as @tremby provided below:
$model->relation()->exists()
generic solution working on all the relation types (pre php 7.2):
if (count($model->relation))
{
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How do I create a dynamic key to be added to a JavaScript object variable [duplicate]
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Square brackets:
jsObj['key' + i] = 'example' + 1;
In JavaScript, all arrays are objects, but not all objects are arrays. The primary difference (and one that's pretty hard to mimic with straight JavaScript and plain objects) is that array instances maintain the length property so that it r...
How to clear variables in ipython?
...nd I get bad surprises when variables haven't been cleared. How do I clear all variables?
And is it possible to force this somehow every time I invoke the magic command %run?
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How do I remove deleted branch names from autocomplete?
...ase of checkout out a remote branch for the first time, creating an identically named local tracking branch.
There are other possibilities, too, depending on what exactly you are using for completion, but that's one of the first things I'd check. If you run git branch -a, and there is an origin/myB...
Android: Background Image Size (in Pixel) which Support All Devices
I am creating an Application which will run on all Android Devices. I want to create xhdpi Graphics for My App. My App is full screen. I am confused in Creating graphics. can any one tell me the best sizes of my background image in pixels.
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