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How can I map True/False to 1/0 in a Pandas DataFrame?
... that has boolean True/False values, but for further calculations I need 1/0 representation. Is there a quick pandas/numpy way to do that?
...
Peak signal detection in realtime timeseries data
...core at which the algorithm signals and influence = the influence (between 0 and 1) of new signals on the mean and standard deviation. For example, a lag of 5 will use the last 5 observations to smooth the data. A threshold of 3.5 will signal if a datapoint is 3.5 standard deviations away from the m...
Naming returned columns in Pandas aggregate function? [duplicate]
...
107
This will drop the outermost level from the hierarchical column index:
df = data.groupby(...)....
Compare floats in php
...ou need to use a smallest acceptable difference:
if (abs(($a-$b)/$b) < 0.00001) {
echo "same";
}
Something like that.
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How can I do DNS lookups in Python, including referring to /etc/hosts?
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Justin M. Keyes
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answered May 10 '10 at 18:36
Jochen RitzelJochen R...
How to check whether a pandas DataFrame is empty?
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505
You can use the attribute df.empty to check whether it's empty or not:
if df.empty:
print(...
what does -webkit-transform: translate3d(0,0,0); exactly do? Apply to body?
what does -webkit-transform: translate3d(0,0,0); exactly do?
Does it have any performance issues? Should I just apply it to the body or individual elements? It seems to improve scroll events drastically.
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Specifying rails version to use when creating a new application
I have two versions of rails (2.1.0 and 2.2.2) installed in my computer.
7 Answers
7
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What is the difference between exit(0) and exit(1) in C?
Can anyone tell me? What is the difference between exit(0) and exit(1) in C language?
11 Answers
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Git Tag list, display commit sha1 hashes
...can run:
git show-ref --tags
The output will then look something like:
0e76920bea4381cfc676825f3143fdd5fcf8c21f refs/tags/1.0.0
5ce9639ead3a54bd1cc062963804e5bcfcfe1e83 refs/tags/1.1.0
591eceaf92f99f69ea402c4ca639605e60963ee6 refs/tags/1.2.0
40414f41d0fb89f7a0d2f17736a906943c05acc9 refs/tags/1.3...