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What's the best way to parse command line arguments? [closed]
...ggests optparse which is appropriate for older Python versions. For Python 2.7 and above, argparse replaces optparse. See this answer for more information.
As other people pointed out, you are better off going with optparse over getopt. getopt is pretty much a one-to-one mapping of the standard ge...
C++ Erase vector element by value rather than by position? [duplicate]
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edited May 24 '16 at 19:57
Community♦
111 silver badge
answered Aug 2 '10 at 5:31
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What is the difference between JOIN and UNION?
...mpletely different operations. Trivial example of UNION:
mysql> SELECT 23 AS bah
-> UNION
-> SELECT 45 AS bah;
+-----+
| bah |
+-----+
| 23 |
| 45 |
+-----+
2 rows in set (0.00 sec)
similary trivial example of JOIN:
mysql> SELECT * FROM
-> (SELECT 23 AS bah) AS fo...
How to initialize a dict with keys from a list and empty value in Python?
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dict.fromkeys([1, 2, 3, 4])
This is actually a classmethod, so it works for dict-subclasses (like collections.defaultdict) as well. The optional second argument specifies the value to use for the keys (defaults to None.)
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Check if multiple strings exist in another string
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edited Apr 29 at 0:34
rjurney
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ans...
Dynamically Changing log4j log level
...runtime does not persist the level change.
UPDATE: If you are using Log4j 2 you should remove the calls to setLevel per the documentation as this can be achieved via implementation classes.
Calls to logger.setLevel() or similar methods are not supported in the
API. Applications should remove ...
How to print a query string with parameter values when using Hibernate
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edited Apr 25 '17 at 13:53
Abdull
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do { … } while (0) — what is it good for? [duplicate]
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edited Nov 3 '08 at 9:24
answered Nov 2 '08 at 21:40
Gr...
Closure in Java 7 [closed]
...e pioneers introducing closures in Java. His post on closures from January 28, 2007 is named A Definition of Closures On his blog there is lots of information to get you started as well as videos. An here is an excellent Google talk - Advanced Topics In Programming Languages - Closures For Java with...
Grep for literal strings
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answered Jul 14 '10 at 2:08
Scott StaffordScott Stafford
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