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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 ...
How to create a backup of a single table in a postgres database?
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what did you mean: abstract_file_path?
– bandungeuy
Sep 22 '18 at 21:56
3
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How to set the thumbnail image on HTML5 video?
Is there a way to set thumbnail image on HTML5 video?
I want to see some pictures before play.
My code looks like this:
7 A...
Getting a better understanding of callback functions in JavaScript
I understand passing in a function to another function as a callback and having it execute, but I'm not understanding the best implementation to do that. I'm looking for a very basic example, like this:
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Why is jquery's .ajax() method not sending my session cookie?
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AJAX calls only send Cookies if the url you're calling is on the same domain as your calling script.
This may be a Cross Domain Problem.
Maybe you tried to call a url from www.domain-a.com while your calling script was on www.do...
What's the difference between EscapeUriString and EscapeDataString?
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It's basically the same difference. If you actually read the article, there's a table around the middle that actually escapes (not unescapes) to show the differences (comparing with URLEncode too).
– Jcl
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Best practice for instantiating a new Android Fragment
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If Android decides to recreate your Fragment later, it's going to call the no-argument constructor of your fragment. So overloading the constructor is not a solution.
With that being said, the way to pass stuff to your Fragment so that they are available after a Fragment is recreated by An...
Prototypical inheritance - writing up [duplicate]
...of bob. If it can't be found there it'll look on Object.prototype. This is called the prototype chain. The prototype part of inheritance is done by lengthening this chain; for example bob => Employee.prototype => Person.prototype => Object.prototype (more on inheritance later).
Even though...
How can I set the default value for an HTML element?
...lect> element below would cause the <option> containing my provided "value" to be selected by default:
27 Ans...
How to remove old Docker containers
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If you want to use awk for this consider this command if you want do rm all stopped containers (without a error because of the first line): docker ps -a | awk 'NR > 1 {print $1}' | xargs docker rm
– masi
Jun 15 '14 at 1...