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Initializing a struct to 0
...which your coding standard mandates.
[Ref 1] Reference C99 Standard 6.7.8.21:
If there are fewer initializers in a brace-enclosed list than there are elements or members of an aggregate, or fewer characters in a string literal used to initialize an array of known size than there are element...
Function that creates a timestamp in c#
....ToString("yyyyMMddHHmmssfff");
}
This will give you a string like 200905211035131468, as the string goes from highest order bits of the timestamp to lowest order simple string sorting in your SQL queries can be used to order by date if you're sticking values in a database
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When should I use Struct vs. OpenStruct?
...approach.
– tokland
Mar 9 '16 at 18:21
@tokland good. I just wanted to clarify that now there is a nicer approach, see...
Detect if stdin is a terminal or pipe?
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answered Aug 21 '09 at 16:29
RichieHindleRichieHindle
232k4242 gold badges333333 silver badges383383 bronze badges
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How to reuse an ostringstream?
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edited Mar 8 '09 at 21:41
answered Mar 8 '09 at 21:08
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What ports does RabbitMQ use?
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Oh look 5672.
use lsof:
eric@dev ~$ sudo lsof -i | grep beam
beam.smp 21216 rabbitmq 17u IPv4 33148214 0t0 TCP *:55672 (LISTEN)
beam.smp 21216 rabbitmq 18u IPv4 33148219 0t0 TCP *:15672 (LISTEN)
use nmap from a different machine, find out if 5672 is open:
sudo nmap -...
How to slice an array in Bash
...1}" )
– Heath Borders
Jan 27 '16 at 21:15
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show 8 more comments
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Assign pandas dataframe column dtypes
...ndas 0.12 - 0.16: You can use convert_objects to infer better dtypes:
In [21]: df
Out[21]:
x y
0 a 1
1 b 2
In [22]: df.dtypes
Out[22]:
x object
y object
dtype: object
In [23]: df.convert_objects(convert_numeric=True)
Out[23]:
x y
0 a 1
1 b 2
In [24]: df.convert_objects(c...
Nullable type issue with ?: Conditional Operator
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answered Nov 17 '08 at 15:21
Stewart JohnsonStewart Johnson
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Changing font size and direction of axes text in ggplot2
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answered Nov 8 '12 at 21:30
Drew SteenDrew Steen
13.5k1111 gold badges5454 silver badges8484 bronze badges
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