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How to get execution time in rails console?
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timing = Benchmark.measure { Post.all }
The various attributes of the object returned (Bench...
Usage of sys.stdout.flush() method
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edited May 23 '17 at 12:18
Community♦
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answered Apr 4 '12 at 21:35
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How can I open Windows Explorer to a certain directory from within a WPF app?
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answered Nov 17 '09 at 2:01
Jamie PenneyJamie Penney
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How to initialize an array's length in JavaScript?
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edited Jul 7 '15 at 15:21
answered Jan 31 '11 at 14:32
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Python's “in” set operator
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answered Jan 2 '12 at 21:14
Ignacio Vazquez-AbramsIgnacio Vazquez-Abrams
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Why should Java ThreadLocal variables be static
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answered May 6 '10 at 20:01
AffeAffe
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“aapt” IOException error=2, No such file or directory" why can't I build my gradle on jenkins?
... run program "/usr/local/android-sdk-linux/build-tools/19.0.3/aapt": error=2, No such file or directory
And this answer fixed it for me:
To get aapt working (this fixed my issues with the avd as well) just install these two packages:
sudo apt-get install lib32stdc++6 lib32z1
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Aggregate / summarize multiple variables per group (e.g. sum, mean)
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Where is this year() function from?
You could also use the reshape2 package for this task:
require(reshape2)
df_melt <- melt(df1, id = c("date", "year", "month"))
dcast(df_melt, year + month ~ variable, sum)
# year month x1 x2
1 2000 1 -80.83405 -224.9540159
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How to sort mongodb with pymongo
...d", 1)
For multiple fields:
.sort([("field1", pymongo.ASCENDING), ("field2", pymongo.DESCENDING)])
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