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How to compare UIColors?
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Have you tried [myColor isEqual:someOtherColor] ?
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Recursively remove files
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change to the directory, and use:
find . -name ".DS_Store" -print0 | xargs -0 rm -rf
find . -name "._*" -print0 | xargs -0 rm -rf
Not tested, try them without the xargs first!
You could replace the period after find, with the directory, instead of changing to the di...
Getting scroll bar width using JavaScript [duplicate]
...tScrollbarWidth() {
// Creating invisible container
const outer = document.createElement('div');
outer.style.visibility = 'hidden';
outer.style.overflow = 'scroll'; // forcing scrollbar to appear
outer.style.msOverflowStyle = 'scrollbar'; // needed for WinJS apps
document.body.appendChi...
Delete all rows in an HTML table
...eplace the <tbody> with a new, empty one.
i.e.
var new_tbody = document.createElement('tbody');
populate_with_new_rows(new_tbody);
old_tbody.parentNode.replaceChild(new_tbody, old_tbody)
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Show space, tab, CRLF characters in editor of Visual Studio
...t since Visual Studio 2010, the current one being Visual Studio 2019 (at time of writing). In Visual Studio 2013, you can also use CTRL+E, S or CTRL+E, CTRL+S.
By default, end of line markers are not visualized. This functionality is provided by the End of the Line extension.
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Including a groovy script in another groovy
... That will bring in the contents of a groovy file (just replace the file name between the double quotes with your groovy script).
I do this with a class surprisingly called "Tools.groovy".
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How to use Global Variables in C#?
...t Int32 BUFFER_SIZE = 512; // Unmodifiable
public static String FILE_NAME = "Output.txt"; // Modifiable
public static readonly String CODE_PREFIX = "US-"; // Unmodifiable
}
You can then retrieve the defined values anywhere in your code (provided it's part of the same namespace):
String co...
Throw away local commits in Git
Due to some bad cherry-picking, my local Git repository is currently five commits ahead of the origin, and not in a good state. I want to get rid of all these commits and start over again.
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How to do exponential and logarithmic curve fitting in Python? I found only polynomial fitting
...tional to y. polyfit supports weighted-least-squares via the w keyword argument.
>>> x = numpy.array([10, 19, 30, 35, 51])
>>> y = numpy.array([1, 7, 20, 50, 79])
>>> numpy.polyfit(x, numpy.log(y), 1)
array([ 0.10502711, -0.40116352])
# y ≈ exp(-0.401) * exp(0.105 * ...
How to globally replace a forward slash in a JavaScript string?
...e occurence:
"string".replace('/', 'ForwardSlash');
For a global replacement, or if you prefer regular expressions, you just have to escape the slash:
"string".replace(/\//g, 'ForwardSlash');
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