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How to grey out a button?
I have a button defined as shown below. When I want to disable it I use my_btn.setEnabled(false) , but I would also like to grey it out. How can I do that?
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How can I automatically deploy my app after a git push ( GitHub and node.js)?
I have my application (node.js) deployed on a VPS (linux). I'm using git hub as a repository. How can I deploy the application automatically, on git push ?
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Why switch is faster than if
Lots of Java books describe the switch statement as being faster than the if else statement. But I did not find out anywhere why switch is faster than if .
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Allow user to set up an SSH tunnel, but nothing else
...I want to restrict this user as much as possible. (Authentication will be with public/private keypair).
10 Answers
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Run Command Prompt Commands
Is there any way to run command prompt commands from within a C# application? If so how would I do the following:
14 Answe...
Python Progress Bar
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import time
import sys
toolbar_width = 40
# setup toolbar
sys.stdout.write("[%s]" % (" " * toolbar_width))
sys.stdout.flush()
sys.stdout.write("\b" * (toolbar_width+1)) # return to start of line, after '['
for i in xrange(toolbar_width):
time.sleep(0.1) # do real work here
# update the ...
What does -1 mean in numpy reshape?
A numpy matrix can be reshaped into a vector using reshape function with parameter -1. But I don't know what -1 means here.
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AngularJS passing data to $http.get request
...n add a query string to the request.
angular.http provides an option for it called params.
$http({
url: user.details_path,
method: "GET",
params: {user_id: user.id}
});
See: http://docs.angularjs.org/api/ng.$http#get and https://docs.angularjs.org/api/ng/service/$http#usage (shows...
How to word wrap text in HTML?
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It's CSS3, but it works in almost all mainstream browsers, including IE5.5 -> 9 - caniuse.com/#search=word-wrap
– Jon Hadley
Jan 27 '11 at 9:10
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How do I check if there are duplicates in a flat list?
For example, given the list ['one', 'two', 'one'] , the algorithm should return True , whereas given ['one', 'two', 'three'] it should return False .
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