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How to prevent a dialog from closing when a button is clicked
I have a dialog with EditText for input. When I click the "yes" button on dialog, it will validate the input and then close the dialog. However, if the input is wrong, I want to remain in the same dialog. Every time no matter what the input is, the dialog should be automatically closed when I clic...
How to change to an older version of Node.js
...ng command to get nvm
curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.34.0/install.sh | bash
You can find it at https://github.com/creationix/nvm
It allows you to easily install and manage multiple versions of node. Here's a snippet from the help:
Usage:
nvm install <version>...
What does the ??!??! operator do in C?
... necessarily EBCDIC - the set of characters that require trigraphs almost exactly matches the set of characters that are not invariant in ISO-646 (i.e. the old 'national ascii' standards).
– Random832
Oct 19 '11 at 18:01
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Dealing with nginx 400 “The plain HTTP request was sent to HTTPS port” error
I'm running a Sinatra app behind passenger/nginx. I'm trying to get it to respond to both http and https calls. The problem is, when both are defined in the server block https calls are responded to normally but http yields a 400 "The plain HTTP request was sent to HTTPS port" error. This is for a s...
How to change the output color of echo in Linux
I am trying to print a text in the terminal using echo command.
30 Answers
30
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Why are global variables evil? [closed]
...o be bad practice in python (and in programming in general). Can somebody explain? Links with more info would also be appreciated.
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Why is it OK to return a 'vector' from a function?
...
There is a separate tag for questions exclusive to C++11. Many of us, especially programmers in larger companies are still stuck to compilers which don't fully support C++11 yet. I updated the question to be accurate for both standards.
– Tim...
How to delete history of last 10 commands in shell?
...times it's kept in memory and any manual editing wont be persisted after next login..
– superhero
Sep 15 '16 at 8:39
5
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How to get the absolute coordinates of a view
I'm trying to get the absolute screen pixel coordinates of the top left corner of a view. However, all methods I can find such as getLeft() and getRight() don't work as they all seem to be relative to the parent of the view, thus giving me 0 . What is the proper way to do this?
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Where can I set environment variables that crontab will use?
...ommand.
Always.
# @(#)$Id: crontab,v 4.2 2007/09/17 02:41:00 jleffler Exp $
# Crontab file for Home Directory for Jonathan Leffler (JL)
#-----------------------------------------------------------------------------
#Min Hour Day Month Weekday Command
#-----------------------------...