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Python != operation vs “is not”
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@MatrixFrog: In PHP or JavaScript we would say that is is like === (very equal), and conversely is not is like !== (not exactly equal).
– Orwellophile
Apr 2 '17 at 1:43
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How to fully delete a git repository created with init?
...ress Enter) and run:
defaults write com.apple.finder AppleShowAllFiles 1 && killall Finder
Note: The keyboard shortcut to show hidden files in Finder is
CMD + SHIFT + . so it is no longer necessary to modify the
finder config this way
You could also type cd (the space is important), dra...
How to use a variable to specify column name in ggplot
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"cumbersome"? Non-standard evaluation in R is ironically the most cumbersome "feature" I have ever encountered in a programming language. Truly maddening.
– jessexknight
Feb 4 at 18:10
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Why does one often see “null != variable” instead of “variable != null” in C#?
...ually - I just haven't experienced that transformation yet).
Here is an example:
public class myDuck
{
public int quacks;
static override bool operator ==(myDuck a, myDuck b)
{
// these will overflow the stack - because the a==null reenters this function from the top again
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The Definitive C Book Guide and List
...an download the latest version as pdf here: icube-icps.unistra.fr/img_auth.php/d/db/ModernC.pdf (BTW, seems the author is updating & publish the book at above link as need)
– Eric Wang
Aug 10 '19 at 18:36
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Split output of command by columns using Bash?
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I think the simplest way is to use awk. Example:
$ echo "11383 pts/1 00:00:00 bash" | awk '{ print $4; }'
bash
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Why does UITableViewCell remain highlighted?
...oller, as it should be.
Taken from http://forums.macrumors.com/showthread.php?t=577677
Swift version
override func viewDidAppear(_ animated: Bool) {
super.viewDidAppear(animated)
// deselect the selected row if any
let selectedRow: IndexPath? = tableView.indexPathForSelectedRow
i...
How to install Google Play Services in a Genymotion VM (with no drag and drop support)?
... the right GApp version here:
http://forum.xda-developers.com/showthread.php?t=2528952
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How to divide flask app into multiple py files?
...c resources: templates or static files. Please refer to the Flask docs for all the details.
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How to create a video from images with FFmpeg?
...pix_fmt yuv420p out.ogg
Your images should of course be sorted alphabetically, typically as:
0001-first-thing.jpg
0002-second-thing.jpg
0003-and-third.jpg
and so on.
I would also first ensure that all images to be used have the same aspect ratio, possibly by cropping them with imagemagick or n...