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Understanding exactly when a data.table is a reference to (vs a copy of) another data.table
I'm having a little trouble understanding the pass-by-reference properties of data.table . Some operations seem to 'break' the reference, and I'd like to understand exactly what's happening.
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Using jQuery to replace one tag with another
... this seems to be the most elegant solution, tho i'll admit i don't understand what's going on inside the replaceWith function. would love to hear more. i.e. how is assigning the opening AND closing tags? does the space in <pre /> accomplish that?
– jon
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Node.js get file extension
...ers after the last dot, so file names like app.css.gz will only return .gz and not .css.gz, which may or may not be what you want.
– xentek
Feb 23 '14 at 6:21
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How to ignore the first line of data when processing CSV data?
...um number from a column of CSV data, but the top row is the column number, and I don't want Python to take the top row into account. How can I make sure Python ignores the first line?
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Fastest way to tell if two files have the same contents in Unix/Linux?
...er two files contain the same data or not. I do this a for a lot of files, and in my script the diff command seems to be the performance bottleneck.
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Relatively position an element without it taking up space in document flow
How can I relatively position an element, and have it not take up space in the document flow?
6 Answers
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How to remove remote origin from Git repo
I just did git init to initialize my folder as git repo and then added a remote repository using git remote add origin url . Now I want to remove this git remote add origin and add a new repository git remote add origin new-url . How can I do it?
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How to stop event propagation with inline onclick attribute?
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This is just wrong - inline onclick handlers don't get the event passed as an argument. Correct solution is Gareths, below.
– Benubird
Dec 9 '10 at 16:22
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Convert Set to List without creating new List
... can use the List.addAll() method. It accepts a Collection as an argument, and your set is a Collection.
List<String> mainList = new ArrayList<String>();
mainList.addAll(set);
EDIT: as respond to the edit of the question.
It is easy to see that if you want to have a Map with Lists as ...
How do I remove packages installed with Python's easy_install?
...sn't implement the other common features of a dependency manager - listing and removing installed packages.
13 Answers
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