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How to modify list entries during for loop?
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@Navin: Because a[i] = s.strip() only does one indexing operation.
– martineau
Sep 5 '17 at 19:03
1
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How to exclude certain messages by TAG name using Android adb logcat?
...is an example of such an expression:
"/^(?:emails|tags|addresses)"
This one would check for either of the given to occur, grep would then not list them.
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Long press gesture on UICollectionViewCell
...path");
} else {
// get the cell at indexPath (the one you long pressed)
UICollectionViewCell* cell =
[self.collectionView cellForItemAtIndexPath:indexPath];
// do stuff with the cell
}
}
Swift
class Some {
@objc func handleLongPress(gestur...
What's this =! operator? [duplicate]
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That's two operators, = and !, not one. It might be an obfuscated way of writing
a = !b;
if (a) {
// whatever
}
setting a to the logical inverse of b, and testing whether the result is true (or, equivalently, whether b was false).
Or it might be a mist...
Failed to execute 'btoa' on 'Window': The string to be encoded contains characters outside of the La
... this (actually works with SVG source), like:
btoa(unescape(encodeURIComponent(str)))
example:
var imgsrc = 'data:image/svg+xml;base64,' + btoa(unescape(encodeURIComponent(markup)));
var img = new Image(1, 1); // width, height values are optional params
img.src = imgsrc;
If you need to de...
How can I split up a Git commit buried in history?
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Here's how to do it with Magit.
Say commit ed417ae is the one you want to change; it contains two unrelated changes and is buried under one or more commits. Hit ll to show the log, and navigate to ed417ae:
Then hit r to open the rebase popup
and m to modify the commit at point...
Generate random numbers using C++11 random library
...ht wanna just use default_random_engine, according to c++ primer it is the one that the implementation has deemed most useful
– aaronman
Oct 29 '13 at 18:56
3
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Mechanisms for tracking DB schema changes [closed]
...ch the changes are applied and a "down" method in which the changes are undone. A single command brings the database up to date, and can also be used to bring the database to a specific version of the schema. In Rails, migrations are kept in their own directory in the project directory and get check...
How does one get started with procedural generation?
...t for the mathematically squeamish, but that is how procedural content is done.
Shadertoy was created by a procedural genius, Inigo Quilez, a product of the demo scene who works at Pixar. He has some youtube videos (great example) of live coding sessions and I can also recommend these.
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Is there an exponent operator in C#?
...s I found out you can do
4.95E-10;
Just thought I would add this for anyone in a similar situation that I was in.
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