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How to check if a symlink exists
I'm trying to check if a symlink exists in bash. Here's what I've tried.
8 Answers
8
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Can I query MongoDB ObjectId by date?
... timestamp = new Date(timestamp);
}
/* Convert date object to hex seconds since Unix epoch */
var hexSeconds = Math.floor(timestamp/1000).toString(16);
/* Create an ObjectId with that hex timestamp */
var constructedObjectId = ObjectId(hexSeconds + "0000000000000000");
r...
How to grep a text file which contains some binary data?
...what man cat says about -v: -v, --show-nonprinting use ^ and M- notation, except for LFD and TAB
– tommy.carstensen
Jan 3 '16 at 17:06
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@AspectJ pointcut for all methods of a class with specific annotation
...rejeev.Monitor *)")
public void beanAnnotatedWithMonitor() {}
@Pointcut("execution(public * *(..))")
public void publicMethod() {}
@Pointcut("publicMethod() && beanAnnotatedWithMonitor()")
public void publicMethodInsideAClassMarkedWithAtMonitor() {}
Advice the last pointcut that combines...
How do I remove msysgit's right click menu options?
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64-Bit Windows
From a cmd.exe window, run these commands:
cd "C:\Program Files (x86)\Git\git-cheetah"
regsvr32 /u git_shell_ext64.dll
32-Bit Windows
From a cmd.exe window, run these commands
cd "C:\Program Files\Git\git-cheetah"
regsvr32 /u git_...
How to draw a custom UIView that is just a circle - iPhone app
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If your circleView size isn't 100X100, the cornerRadius should be the (new size)/2
– gran33
Sep 2 '14 at 8:53
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What does the clearfix class do in css? [duplicate]
I've seen div tags use a clearfix class when it's child divs use the float property. The clearfix class looks like this:
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UnicodeDecodeError: 'ascii' codec can't decode byte 0xe2 in position 13: ordinal not in range(128)
I'm using NLTK to perform kmeans clustering on my text file in which each line is considered as a document. So for example, my text file is something like this:
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MySQL “NOT IN” query
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To use IN, you must have a set, use this syntax instead:
SELECT * FROM Table1 WHERE Table1.principal NOT IN (SELECT principal FROM table2)
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