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rvm installation not working: “RVM is not a function”
...on, --auto had been deprecated in favour of --auto-dotfiles so the command now is rvm get stable --auto-dotfiles
– Mart Van de Ven
Nov 8 '13 at 3:56
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In Firebase, is there a way to get the number of children of a node without loading all the node dat
...way to count children without loading data, but we do plan to add it.
For now, one solution would be to maintain a counter of the number of children and update it every time you add a new child. You could use a transaction to count items, like in this code tracking upvodes:
var upvotesRef = new Fi...
Programmatically creating Markdown tables in R with KnitR
...ng (sort of like xtable , but with Markdown instead of LaTeX or HTML). I know that I can just embed the HTML output from xtable, but I was wondering if there were any Markdown-based solutions?
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Pandas get topmost n records within each group
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Yes, I think that's it. Overlooked this somehow. Do you know good way to number records within group?
– Roman Pekar
Nov 19 '13 at 10:48
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When & why to use delegates? [duplicate]
... in Guass3.
With Delegates
public delegate double Integrand(double x);
Now we can define some static (or not) functions adhering to that prototype:
class Program {
public delegate double Integrand(double x);
// Define implementations to above delegate
// with similar input and outp...
Doing HTTP requests FROM Laravel to an external API
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There is now an easier way in Laravel 7.x: stackoverflow.com/a/60908329/2341298
– Syclone
Mar 28 at 23:33
add...
Writing files in Node.js
... he wanted to save the file on /home directory I suggested to chmod it. I know it could generate a security issue. But well, if the user wants to save there, that's the solution. P.S: I agree with what you said (:
– Denys Vitali
Jan 29 '14 at 22:51
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Node.js Unit Testing [closed]
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If I was starting a new project now I'd probably use Mocha as the test framework
– evilcelery
Nov 6 '12 at 16:30
1
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Circular (or cyclic) imports in Python
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As of now, the only reference to circular imports in python3 "What's new?" pages is in the 3.5 one. It says "Circular imports involving relative imports are now supported". @meawoppl have you found anything else what is not listed...
How to implement the Android ActionBar back button?
...ress the back button. This should be done in the AndroidManifest.xml too.
Now you can enable the back button in the onCreate method of your "child" activity.
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
getActionBar().setDisplayHomeAsUp...