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Echo tab characters in bash script
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res=' 'x # res = "\t\tx"
printf '%s\n' "[$res]"
And now it's time for me to admit that echo will work just as well for the example you're asking about; you just need to put double quotes around the argument:
echo "[$res]"
as kmkaplan wrote (two and a half years ago, I just noticed!)...
Java Enum definition
...omewhat complex (Node<T> is not the case), I'm ignoring them to save time.
– Andrey Chaschev
Nov 28 '13 at 22:46
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Delete everything in a MongoDB database
I'm doing development on MongoDB. For totally non-evil purposes, I sometimes want to blow away everything in a database—that is, to delete every single collection, and whatever else might be lying around, and start from scratch. Is there a single line of code that will let me do this? Bonus points...
How to determine total number of open/active connections in ms sql server 2005
...y be filtered as well. A SPID with parallel threads can show up multiple times in sysprocesses and filtering ECID=0 will return the primary thread for each SPID.
SELECT
DB_NAME(dbid) as DBName,
COUNT(dbid) as NumberOfConnections,
loginame as LoginName
FROM
sys.sysprocesses with ...
How can I get list of values from dict?
How can I get a list of the values in a dict in Python?
5 Answers
5
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How do I build a numpy array from a generator?
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Numpy arrays require their length to be set explicitly at creation time, unlike python lists. This is necessary so that space for each item can be consecutively allocated in memory. Consecutive allocation is the key feature of numpy arrays: this combined with native code implementation let o...
Checking if a blob exists in Azure Storage
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FetchAttributes() takes a long time to run (in development storage at least) if the file hasn't been fully committed yet, i.e. just consists of uncommitted blocks.
– Tom Robinson
Aug 23 '10 at 15:18
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What does “coalgebra” mean in the context of programming?
I have heard the term "coalgebras" several times in functional programming and PLT circles, especially when the discussion is about objects, comonads, lenses, and such. Googling this term gives pages that give mathematical description of these structures which is pretty much incomprehensible to me. ...
How to find out what type of a Mat object is with Mat::type() in OpenCV
I am kind of confused with type() method of Mat object in OpenCV. If I have following lines:
6 Answers
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What do the result codes in SVN mean?
What do the result codes in SVN mean? I need a quick reference.
9 Answers
9
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