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Finding local maxima/minima with Numpy in a 1D numpy array
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legend()
show()
The +1 is important, because diff reduces the original index number.
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Create SQL script that create database and tables
...nerate a single script that can recreate the full database including table/indexes & constraints/stored procedures/functions/users/etc. There are a multitude of options that you can configure to customise the output, but most of it is self explanatory.
If you are happy with the default options,...
How to do stateless (session-less) & cookie-less authentication?
...ore it in a database, its one SQL statement executed, and with the correct indexes, it should take very little time to execute, even with multiple simultaneous users. Load testing here would definitely help though. If I read the question correctly, this would be your encrypted token mechanism - alth...
How do I check if a list is empty?
...st check if the input is empty, and you're using other NumPy features like indexing or math operations, it's probably more efficient (and certainly more common) to force the input to be a NumPy array. There are a few nice functions for doing this quickly — most importantly numpy.asarray. This t...
Given a number, find the next higher number which has the exact same set of digits as the original n
...allest digit larger than x" is y. can we just swap x and y, then reverse x.index+1 -> end?
– Kent
Feb 21 '12 at 9:46
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ElasticSearch - Return Unique Values
...t_method] in order to load fielddata in memory by uninverting the inverted index. Note that this can however use significant memory. Alternatively use a keyword field instead."
}
]}
In that case, you have to add "KEYWORD" in the request, like following:
{
"aggs" : {
...
How do you plot bar charts in gnuplot?
...e neat gnuplot tricks:
Gnuplot has psuedo-columns that can be used as the index to color:
plot 'data.dat' using 1:2:0 with boxes lc variable
Further you can use a function to pick the colors you want:
mycolor(x) = ((x*11244898) + 2851770)
plot 'data.dat' using 1:2:(mycolor($0)) with boxes lc ...
How to create a release signed apk file using Gradle?
...ate a skeleton signing.properties and after committing issuing "git update-index --assume-unchanged signing.properties". However that prevents futura edits from being committed. Something like the first option sdqali suggests seems even better.
– user672009
Oct...
Read a zipped file as a pandas DataFrame
... [12]: crime2013
Out[12]:
<class 'pandas.core.frame.DataFrame'>
Int64Index: 24567 entries, 0 to 24566
Data columns (total 15 columns):
CCN 24567 non-null values
REPORTDATETIME 24567 non-null values
SHIFT 24567 non-null valu...
Why is “throws Exception” necessary when calling a function?
...r example, if an ArithmeticException of division by zero occurs or an ArrayIndexOutOfBoundsException occurs, it is because we are not careful enough in our coding. They happen usually because some errors in our program logic. So, they must be cleared before our program enters into production mode. T...