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Determining memory usage of objects? [duplicate]
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some time ago I stole this little nugget from here:
sort( sapply(ls(),function(x){object.size(get(x))}))
it has served me well
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git undo all uncommitted or unsaved changes
...uncommitted changes only to particular file or directory:
git checkout [some_dir|file.txt]
Yet another way to revert all uncommitted changes (longer to type, but works from any subdirectory):
git reset --hard HEAD
This will remove all local untracked files, so only git tracked files remain:
gi...
How to use '-prune' option of 'find' in sh?
...'t quite understand the example given from the man find , can anyone give me some examples and explanations? Can I combine regular expression in it?
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Replace String in all files in Eclipse
... Thank you I solved this way. 1.- Select the text to search 2.- Go to Menu Search >Text > Project, a listing of ocurrences pops up, within the search view. 3.- Right Click on the root of that list, 4.- Select Replace All... 5.- Input the text to replace for. 6.- Done ..... thank You..
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Find document with array that contains a specific value
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PersonModel.find({ favouriteFoods: "sushi" }, ...);
But I'd also recommend making the string array explicit in your schema:
person = {
name : String,
favouriteFoods : [String]
}
The relevant documentation can be found here: https://docs.mongodb.com/manual/tutorial/query-arrays/
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JQuery: detect change in input field [duplicate]
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You can bind the 'input' event to the textbox. This would fire every time the input changes, so when you paste something (even with right click), delete and type anything.
$('#myTextbox').on('input', function() {
// do something
});
If you use the change handler, this will only fire after...
View HTTP headers in Google Chrome?
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I'm not sure about your exact version, but Chrome has a tab "Network" with several items and when I click on them I can see the headers on the right in a tab.
Press F12 on windows or ⌥⌘I on a mac to bring up the Chrome developer tools.
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Fast Linux File Count for a large number of files
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By default ls sorts the names, which can take a while if there are a lot of them. Also there will be no output until all of the names are read and sorted. Use the ls -f option to turn off sorting.
ls -f | wc -l
Note that this will also enable -a,...
Can I use mstest.exe without installing Visual Studio?
...o. ~500mb download and around ~300mb to install just the test agent if I remember correctly.
UPDATE
For versions older than VS 2017, look here:
https://www.visualstudio.com/vs/older-downloads/
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PHP Warning: POST Content-Length of 8978294 bytes exceeds the limit of 8388608 bytes in Unknown on l
... when trying to upload an import on WordPress on my XAMPP local dev environment:
21 Answers
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