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How to create a new file together with missing parent directories?
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Have you tried this?
file.getParentFile().mkdirs();
file.createNewFile();
I don't know of a single method call that will do this, but it's pretty easy as two statements.
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How do I copy a file in Python?
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Note that not all metadata will be copied, depending on your platform.
– Kevin Horn
Oct 19 '09 at 20:50
14
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Drop unused factor levels in a subsetted data frame
...tion, a new data frame is created. However, the factor variable retains all of its original levels, even when/if they do not exist in the new dataframe.
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How do I get git to default to ssh and not https for new repositories
...hould add that, this method does not interfere with github's mac client at all. Change it and you can both use command line and gui version(github's client) of git without a problem.
– Kemal Dağ
Oct 11 '13 at 8:39
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How to get filename without extension from file path in Ruby
How can I get the filename from a file path in Ruby?
9 Answers
9
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How to write to a JSON file in the correct format
I am creating a hash in Ruby and want to write it to a JSON file, in the correct format.
4 Answers
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Highlight text similar to grep, but don't filter out text [duplicate]
...ack. Checkout its --passthru option here: ack. It has the added benefit of allowing full perl regular expressions.
$ ack --passthru 'pattern1' file_name
$ command_here | ack --passthru 'pattern1'
You can also do it using grep like this:
$ grep --color -E '^|pattern1|pattern2' file_name
$ comma...
How do you convert a jQuery object into a string?
...est').clone()).html();
This is explained in more depth here, but essentially you make a new node to wrap the item of interest, do the manipulations, remove it, and grab the HTML.
If you're just after a string representation, then go with new String(obj).
Update
I wrote the original answer in 2...
How do I run a Java program from the command line on Windows?
...ent directory is the default classpath, so you don't have to set -cp . manually.
– Artur Czajka
Nov 6 '16 at 0:51
2
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How to convert NSNumber to NSString
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edited Jul 8 '12 at 12:52
Tim Cooper
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