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Python - use list as function parameters
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edited Jun 18 '15 at 21:03
answered Apr 16 '13 at 18:04
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How to create nonexistent subdirectories recursively using Bash?
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edited Jun 20 at 9:12
Community♦
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answered Nov 13 '09 at 20:42
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Excluding files/directories from Gulp task
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edited Jun 20 at 9:12
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answered Jul 9 '14 at 8:21
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Use of ~ (tilde) in R programming Language
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edited Nov 3 '17 at 13:10
SnowFrog
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answered Fe...
git: How to diff changed files versus previous versions after a pull?
...D of my latest version of the file" - the commit "ID" (SHA1 hash) is that 40-character hex right at the top of every entry in the output of git log. It's the hash for the entire commit, not for a given file. You don't really ever need more - if you want to diff just one file across the pull, do
git...
How to print Boolean flag in NSLog?
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505
Here's how I do it:
BOOL flag = YES;
NSLog(flag ? @"Yes" : @"No");
?: is the ternary conditi...
Random record from MongoDB
I am looking to get a random record from a huge (100 million record) mongodb .
26 Answers
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Which concurrent Queue implementation should I use in Java?
... ArrayBlockingQueue is a queue of a fixed size. So if you set the size at 10, and attempt to insert an 11th element, the insert statement will block until another thread removes an element. The fairness issue is what happens if multiple threads try to insert and remove at the same time (in other wor...
How to create default value for function argument in Clojure
...y default values.
(defn string->integer
([s] (string->integer s 10))
([s base] (Integer/parseInt s base)))
Note that assuming false and nil are both considered non-values, (if (nil? base) 10 base) could be shortened to (if base base 10), or further to (or base 10).
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Cross-platform way of getting temp directory in Python
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f = tempfile.TemporaryFile()
f.write('something on temporaryfile')
f.seek(0) # return to beginning of file
print f.read() # reads data back from the file
f.close() # temporary file is automatically deleted here
For completeness, here's how it searches for the temporary directory, according to the...