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How to use string.replace() in python 3.x
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If I have to come to stack overflow to navigate the Python documentation there is a clearly problem. Python team if you are reading. SORT IT OUT!
– Andrew S
Oct 28 '16 at 0:56
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grep a file, but show several surrounding lines?
... for the number of lines after the match.
grep -B 3 -A 2 foo README.txt
If you want the same number of lines before and after you can use -C num.
grep -C 3 foo README.txt
This will show 3 lines before and 3 lines after.
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How to trigger the window resize event in JavaScript?
...prefer to call the function rather than dispatch an event. This works well if you have control over the code you want to run, but see below for cases where you don't own the code.
window.onresize = doALoadOfStuff;
function doALoadOfStuff() {
//do a load of stuff
}
In this example, you can call...
Regex group capture in R with multiple capture-groups
...vectors 'x' which are not substituted will be returned unchanged.
So if your text to be selected lies in the middle of some string, adding .* before and after the capture group should allow you to only return it.
gsub(".*\\((.*?) :: (0\\.[0-9]+)\\).*","\\1 \\2", "(sometext :: 0.1231313213)")
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How do you truncate all tables in a database using TSQL?
...You cannot truncate tables which have foreign keys, so this will only work if there are no foreign key constraints between tables (or they have been disabled).
– marcj
Oct 1 '08 at 12:31
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What is the purpose and uniqueness SHTML?
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@Webwoman a long time before that, even. It's a very specific case these days, but say if you serve static files but want a tiny bit of dynamism (e.g. config injection), this will still be a super quick, if old school, solution for that.
– Rob Grant
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How to get the index of an item in a list in a single step?
...search; therefore, this method is an
O(n) operation, where n is Count.
If the item is not found, it will return -1
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How do I view 'git diff' output with my preferred diff tool/ viewer?
When I type git diff , I want to view the output with my visual diff tool of choice (SourceGear "diffmerge" on Windows). How do I configure git to do this?
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UIButton title text color
...een:71/255.0 blue:113/255.0 alpha:1.0] forState:UIControlStateNormal];
Swift
headingButton.setTitleColor(.black, for: .normal)
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Select all 'tr' except the first one
... crossbrowser way of selecting the rows you want with CSS alone.
However, if you don't care about Internet Explorer 6, 7 or 8:
tr:not(:first-child) {
color: red;
}
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