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How to filter Pandas dataframe using 'in' and 'not in' like in SQL
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You can use pd.Series.isin.
For "IN" use: something.isin(somewhere)
Or for "NOT IN": ~something.isin(somewhere)
As a worked example:
import pandas as pd
>>> df
country
0 US
1 UK
2 Germany
3 China
>>&...
Regular vs Context Free Grammars
I'm studying for my computing languages test, and there's one idea I'm having problems wrapping my head around.
8 Answe...
Add icon to submit button in twitter bootstrap 2
I want to use the twitter bootstrap icons on my form input submit buttons.
12 Answers
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How to assign the output of a command to a Makefile variable
I need to execute some make rules conditionally, only if the Python installed is greater than a certain version (say 2.5).
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Safe String to BigDecimal conversion
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Check out setParseBigDecimal in DecimalFormat. With this setter, parse will return a BigDecimal for you.
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How to check if all list items have the same value and return it, or return an “otherValue” if they
...alue, otherwise I need to use an “otherValue”. I can’t think of a simple and clear way of doing this.
9 Answers
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How big can a user agent string get?
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HTTP specification does not limit length of headers at all.
However web-servers do limit header size they accept, throwing 413 Entity Too Large if it exceeds.
Depending on web-server and their settings these limits vary from ...
Does Go have “if x in” construct similar to Python?
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There is no built-in operator to do it in Go. You need to iterate over the array. You can write your own function to do it, like this:
func stringInSlice(a string, list []string) bool {
for _, b := range list {
if b == a {
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ITunes review URL and iOS 7 (ask user to rate our app) AppStore show a blank page
Does anybody knows if the technique used to ask the user to rate our app and open for him the App Store directly on the rating page is still working on iOS 7 ?
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Eclipse hangs on loading workbench
My eclipse stops loading workbench. I tried already starting with ./eclipse --clean
22 Answers
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