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How to replace an entire line in a text file by line number
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chepnerchepner
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How to append contents of multiple files into one file
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14
@blasto it depends. You would use >> to append one file onto another, where > overwrites the output file with whatever's directed ...
How to decide font color in white or black depending on background color?
...and choose the corresponding text.
if (red*0.299 + green*0.587 + blue*0.114) > 186 use #000000 else use #ffffff
The threshold of 186 is based on theory, but can be adjusted to taste. Based on the comments below a threshold of 150 may work better for you.
Edit: The above is simple and works re...
Android 4.1: How to check notifications are disabled for the application?
Android 4.1 offers the user a check box to disable notifications for a specific application.
6 Answers
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Test if a vector contains a given element
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– StatsSorceress
Mar 15 '18 at 0:54
Maybe I come a little late. which(v, 'b'). Mind the order of the arguments.
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Install gitk on Mac
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Correct, the 1.7.12.4 (Apple Git-37) does not come with gitk. You can install a more recent version of git + git-ui as a separate formula by using brew. More thorough instructions located here: http://www.moncefbelyamani.com/how-to-install-xcod...
SQL order string as number
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answered Aug 4 '12 at 12:15
juergen djuergen d
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How do I check if a string contains another string in Swift?
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You can do exactly the same call with Swift:
Swift 4 & Swift 5
In Swift 4 String is a collection of Character values, it wasn't like this in Swift 2 and 3, so you can use this more concise code1:
let string = "hello Swift"
if string.contains("Swift") {
print("exists...
How to make tinymce paste in plain text by default
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+400
EDIT: this solution is for version 3.x, for 4.x version read the answer from @Paulo Neves
The problem is that Paste plugin automati...
How to convert a String to its equivalent LINQ Expression Tree?
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Erwin Mayer
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answered May 4 '09 at 19:34
Marc Gravell♦Marc Gravell
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