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What does “while True” mean in Python?
... always evaluates to boolean "true" and thus executes the loop body indefinitely. It's an idiom that you'll just get used to eventually! Most languages you're likely to encounter have equivalent idioms.
Note that most languages usually have some mechanism for breaking out of the loop early. In the ...
How to get rid of the 'undeclared selector' warning
I want to use a selector on an NSObject instance without the need for an implemented protocol. For example, there's a category method that should set an error property if the NSObject instance it's called on supports it. This is the code, and the code works as intended:
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How to get existing fragments when using FragmentPagerAdapter
I have problem making my fragments communicating with each other through the Activity , which is using the FragmentPagerAdapter , as a helper class that implements the management of tabs and all details of connecting a ViewPager with associated TabHost . I have implemented FragmentPagerAdapter...
What's the canonical way to check for type in Python?
...iven object is of a given type? How about checking whether the object inherits from a given type?
13 Answers
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Should I use `this` or `$scope`?
..."controller as" is much more recent (as of version 1.2.0 officially though it did appear in unstable pre-releases prior to this).
Both work perfectly well and the only wrong answer is to mix them in the same app without an explicit reason. Frankly, mixing them will work, but it will just add to th...
Disable pasting text into HTML form
Is there a way using JavaScript to disable the ability to paste text into a text field on an HTML form?
23 Answers
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Can I run multiple programs in a Docker container?
...sually a script that launches as many programs that are needed. You can additionally use for example Supervisord or similar to take care of launching multiple services inside single container. This is an example of a docker container running mysql, apache and wordpress within a single container.
Sa...
Application_Error not firing when customerrors = “On”
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UPDATE
Since this answer does provide a solution, I will not edit it, but I have found a much cleaner way of solving this problem. See my other answer for details...
Original Answer:
I figured out why the Application_Error() method is not being invoked...
Global.asax.cs
public class M...
How to get the pure text without HTML element using JavaScript?
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[2017-07-25] since this continues to be the accepted answer, despite being a very hacky solution, I'm incorporating Gabi's code into it, leaving my own to serve as a bad example.
<style>
.A {background: blue;}
.B {font-style: italic;}
.C {font-weight: bold;}
</style>
<scri...
How do I use su to execute the rest of the bash script as that user?
I've written a script that takes, as an argument, a string that is a concatenation of a username and a project. The script is supposed to switch (su) to the username, cd to a specific directory based upon the project string.
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