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Is there a standardized method to swap two variables in Python?
...ill been made, but it doesn't matter, Python internally knows where it is
then, the left-hand side is evaluated, that is to say the tuple is assigned to the left-hand side
as the left-hand side is composed of two identifiers, the tuple is unpacked in order that the first identifier a be assigned to...
What's the shebang/hashbang (#!) in Facebook and new Twitter URLs for?
... a fourth benefit to this technique: Loading page content through AJAX and then injecting it into the current DOM can be much faster than loading a new page. In addition to the speed increase, further tricks like loading certain portions in the background can be performed under the programmer's cont...
How can I convert a string to boolean in JavaScript?
...e rare cases where we don't want type juggling (e.g. if (price === null)), then we use ===. This is what I've done for years and I've never had an issue.
– JMTyler
May 9 '13 at 18:11
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How does variable assignment work in JavaScript?
...toboxing. If you were to define a string via var foo = new String('foo');, then that would be a string object (and typeof will confirm this). But if you declare it via a string literal, then they are string primitives. See: developer.mozilla.org/en/JavaScript/Reference/Global_Objects/…
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How to compare Lists in Unit Testing
... and "Element at index 0 do not match" are slightly useless. What are they then?!
– Colonel Panic
May 15 '15 at 15:45
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How does RewriteBase work in .htaccess
...ule a\.html /folder/b.html
But when the .htaccess file is inside /folder/ then this also points to the same target:
RewriteRule a\.html b.html
Although the docs imply always using a RewriteBase, Apache usually detects it correctly for paths under the DocumentRoot unless:
You are using Alias d...
Are there good reasons not to use an ORM? [closed]
... over this approach over an ORM. If they are using unparametrized queries then it would actually be a security risk.
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ExecutorService that interrupts tasks after a timeout
...xecute your handler (main functionality to be interrupted) for 10 seconds, then will cancel (i.e. interrupt) that specific task.
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How do I start my app on startup?
...ction.BOOT_COMPLETED" />
</intent-filter>
</receiver>
Then you need to define the receiver that will get the BOOT_COMPLETED action and start your service.
public class StartMyServiceAtBootReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context cont...
How does Angular $q.when work?
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Calling $q.when takes a promise or any other type, if it is not a promise then it will wrap it in a promise and call resolve. If you pass a value to it then it is never going to be rejected.
From the docs:
Wraps an object that might be a value or a (3rd party) then-able promise into a $q promi...