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argparse store false if unspecified
How can I store false if -auto is unspecified? I can faintly remember that this way, it stores None if unspecified
4 Answ...
Escape double quotes in a string
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No.
Either use verbatim string literals as you have, or escape the " using backslash.
string test = "He said to me, \"Hello World\" . How are you?";
The string has not changed in either case - there is a single escaped " in it. This is just a way to tell C# that the characte...
How to log out user from web site using BASIC authentication?
...u have to do is have the user click a logout link, and send a ‘401 Unauthorized’ in response, using the same realm and at the same URL folder level as the normal 401 you send requesting a login.
They must be directed to input wrong credentials next, eg. a blank username-and-password, and in res...
What is the difference between an IntentService and a Service? [duplicate]
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In short, a Service is a broader implementation for the developer to set up background operations, while an IntentService is useful for "fire and forget" operations, taking care of background Thread creation and cleanup.
From the...
Changing the interval of SetInterval while it's running
...tion that uses setInterval to manipulate a string every tenth of a second for a certain number of iterations.
15 Answers
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ng-app vs. data-ng-app, what is the difference?
I'm currently looking at this start tutorial video for angular.js
6 Answers
6
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What is a handle in C++?
I have been told that a handle is sort of a pointer, but not, and that it allows you to keep a reference to an object, rather than the object itself. What is a more elaborate explanation?
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What is `git diff --patience` for?
How does the patience algorithm differ from the default git diff algorithm, and when would I want to use it?
3 Answers
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Sorting data based on second column of a file
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You can use the sort command:
sort -k2 -n yourfile
-n, --numeric-sort compare according to string numerical value
For example:
$ cat ages.txt
Bob 12
Jane 48
Mark 3
Tashi 54
$ sort -k2 -n ages.txt
Mark 3
Bob 12
Jane 48
Tashi 54
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Absolute vs relative URLs
...e to know the differences between these two types of URLs: relative URLs (for pictures, CSS files, JS files, etc.) and absolute URLs.
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