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How to sleep for five seconds in a batch file/cmd [duplicate]
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30 Answers
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How can I implode an array while skipping empty array items?
...ode('-', array_filter($array));
Obviously this will not work if you have 0 (or any other value that evaluates to false) in your array and you want to keep it. But then you can provide your own callback function.
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How to join absolute and relative urls?
...> import urlparse
>>> urlparse.urljoin(url1, url2)
'http://127.0.0.1/test1/test4/test6.xml'
With Python 3 (where urlparse is renamed to urllib.parse) you could use it as follow:
>>> import urllib.parse
>>> urllib.parse.urljoin(url1, url2)
'http://127.0.0.1/test1/test...
Common MySQL fields and their appropriate data types
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answered Dec 10 '08 at 0:57
da5idda5id
8,83288 gold badges3636 silver badges5050 bronze badges
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Rename specific column(s) in pandas
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30
A much faster implementation would be to use list-comprehension if you need to rename a single c...
How to convert an integer to a string in any base?
...tring.digits + string.ascii_letters
def int2base(x, base):
if x < 0:
sign = -1
elif x == 0:
return digs[0]
else:
sign = 1
x *= sign
digits = []
while x:
digits.append(digs[int(x % base)])
x = int(x / base)
if sign < 0:
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PDOException SQLSTATE[HY000] [2002] No such file or directory
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answered Dec 22 '13 at 19:08
ukautzukautz
1,99311 gold badge1111 silver badges77 bronze badges
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Parsing command-line arguments in C?
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190
To my knowledge, the three most popular ways how to parse command line arguments in C are:
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Find the PID of a process that uses a port on Windows
... Local Address Foreign Address State PID
TCP 0.0.0.0:37 0.0.0.0:0 LISTENING 1111
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Rails detect if request was AJAX
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edited Jul 10 '15 at 16:46
answered Nov 22 '11 at 1:08
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