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How do I use boolean variables in Perl?
...y scalar
() # Empty list
('')
The rest are true. There are no barewords for true or false.
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Save plot to image file instead of displaying it using Matplotlib
...ike to add some useful tips when using matplotlib.pyplot.savefig. The file format can be specified by the extension:
from matplotlib import pyplot as plt
plt.savefig('foo.png')
plt.savefig('foo.pdf')
Will give a rasterized or vectorized output respectively, both which could be useful. In additio...
Uploading Files in ASP.net without using the FileUpload server control
How can I get an ASP.net web form (v3.5) to post a file using a plain old <input type="file" /> ?
10 Answers
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Creating and playing a sound in swift
... your project!
var coinSound = NSURL(fileURLWithPath: Bundle.main.path(forResource: "coin", ofType: "wav")!)
var audioPlayer = AVAudioPlayer()
// Initial setup
override func didMoveToView(view: SKView) {
audioPlayer = AVAudioPlayer(contentsOfURL: coinSound, error: nil)
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How to wait 5 seconds with jQuery?
...denote - .delay only works with the jQuery effects queues, so it's perfect for slides and fades like this. It just took me a while to realize that it doesn't work for other things that you can do with jQuery.
– Joel Beckham
May 21 '12 at 3:52
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How to change the docker image installation directory?
...esn't require reboot and is much cleaner.
First create directory and file for custom configuration:
sudo mkdir -p /etc/systemd/system/docker.service.d
sudo $EDITOR /etc/systemd/system/docker.service.d/docker-storage.conf
For docker version before 17.06-ce paste:
[Service]
ExecStart=
ExecStart=/...
How to locate the vimrc file used by vim editor?
...NTIME/menu.vim"
As noted by Herbert in comments, this is where vim looks for vimrcs, it doesn't mean they exist.
You can check the full path of your vimrc with
:echo $MYVIMRC
If the output is empty, then your vim doesn't use a user vimrc (just create it if you wish).
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Getting the name of the currently executing method
...ck trace. In the extreme case, a virtual machine that has no stack trace information concerning this thread is permitted to return a zero-length array from this method.
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In Java, how do I check if a string contains a substring (ignoring case)? [duplicate]
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for some reason I'm getting false when I call "2014-03-25T17:55:00".contains("T")
– Jeremy List
Mar 25 '14 at 8:45
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How to disable word-wrap in Xcode 4 editor?
...lities panel (one on the right), theres a check box to enable/disable this for each file individually.
– Matt Le Fleur
Jul 3 '15 at 14:25
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