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CSS Selector that applies to elements with two classes
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edited Sep 24 '12 at 16:26
answered Sep 22 '10 at 18:07
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Pandas aggregate count distinct
...about either of:
>>> df
date duration user_id
0 2013-04-01 30 0001
1 2013-04-01 15 0001
2 2013-04-01 20 0002
3 2013-04-02 15 0002
4 2013-04-02 30 0002
>>> df.groupby("date").agg({"duration": np.sum, "user_id": pd.Ser...
Visual Studio SP1 error: silverlight_sdk.msi is unavailable
...fine. Then I used the web platform installer to install the SQL CE Compact 4, which I assume installed the full SP1 after (this installation took over 12 hours, so I canceled it). The web platform installer told me that SP1 and Silverlight 4 was installed.
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.NET List Concat vs AddRange
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44
Actually, due to deferred execution, using Concat would likely be faster because it avoids object allocation - Concat doesn't copy anything...
JavaScript/regex: Remove text between parentheses
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thejhthejh
39.7k1414 gold badges8888 silver badges105105 bronze badges
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MySQLDump one INSERT statement for each data row
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edited May 23 '17 at 11:47
Community♦
111 silver badge
answered Sep 15 '12 at 17:01
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How to convert integer timestamp to Python datetime
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343
datetime.datetime.fromtimestamp() is correct, except you are probably having timestamp in milis...
Checking if a folder exists (and creating folders) in Qt, C++
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Kyle LutzKyle Lutz
7,49822 gold badges1717 silver badges2121 bronze badges
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Get css top value as number not as string?
... answered Dec 27 '08 at 17:10
M4NM4N
88.4k4242 gold badges208208 silver badges253253 bronze badges
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