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What __init__ and self do on Python?

...to declare it explicitly. When you create an instance of the A class and call its methods, it will be passed automatically, as in ... a = A() # We do not pass any argument to the __init__ method a.method_a('Sailor!') # We only pass a single argument The __init__ method is roughly w...
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How do I count a JavaScript object's attributes? [duplicate]

...ry object in JavaScript derives from — includes many attributes automatically, and the exact set of attributes you get depends on the particular interpreter and what code has executed before yours. So, you somehow have to separate the ones you defined from those you got "for free." Here's one way...
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Fast Bitmap Blur For Android SDK

...x Blur, but is * 7x faster than my Gaussian Blur implementation. * * I called it Stack Blur because this describes best how this * filter works internally: it creates a kind of moving stack * of colors whilst scanning through the image. Thereby it * just has to add one new block of color to th...
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How do you check “if not null” with Eloquent?

... Actually here 'and' does nothing but it would do if first parameter would be an array. Here is the method prototype : public function where($column, $operator = null, $value = null, $boolean = 'and'); and location - ".....\vendor...
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How can I debug a HTTP POST in Chrome?

... Note: To actually see a post request that reloads your page, you need to check "Preserve Log". – Bryce Guinta Oct 31 '16 at 19:19 ...
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How can I make a JUnit Test wait?

...that a specific condition occurs before you move on. It has a nice fluent api as well await().until(() -> { return yourConditionIsMet(); }); https://github.com/jayway/awaitility share | ...
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How to check if a user is logged in (how to properly use user.is_authenticated)?

...mewhere that its a method and how to do it properly, its just nice when an API uses real life syntax in it so that it can be quickly taken in by someone new to a project like Django, just a pet peeve I guess as I tend to skim through things but I realize I should have looked closer, thanks for the h...
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href overrides ng-click in Angular.js

... am using AngularJS routing and need to maintain state in a service so for all of my internal application links I use $location, but removing href make it impossible for search engines to follow along the site. – Darrrrrren Nov 7 '14 at 13:34 ...
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How do I clear only a few specific objects from the workspace?

I would like to remove some data from the workspace. I know the "Clear All" button will remove all data. However, I would like to remove just certain data. ...
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python generator “send” function purpose?

...t's useful, one of the best use cases I've seen is Twisted's @defer.inlineCallbacks. Essentially it allows you to write a function like this: @defer.inlineCallbacks def doStuff(): result = yield takesTwoSeconds() nextResult = yield takesTenSeconds(result * 10) defer.returnValue(nextResu...