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How to drop a list of rows from Pandas dataframe?
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Use DataFrame.drop and pass it a Series of index labels:
In [65]: df
Out[65]:
one two
one 1 4
two 2 3
three 3 2
four 4 1
In [66]: df.drop(df.index[[1,3]])
Out[66]:
one two
one 1 4
three ...
What is the purpose of the EBP frame pointer register?
I'm a beginner in assembly language and have noticed that the x86 code emitted by compilers usually keeps the frame pointer around even in release/optimized mode when it could use the EBP register for something else.
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How to change ViewPager's page?
I'm using ViewPager in my app and define it in the main Activity. Inside onCreate method I load some number of pages from SharedPreferences and then pass it to PagerAdapter:
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Why is my Git Submodule HEAD detached from master?
...swers here which direct to external links which may stop working over time and check my answer here (Unless question is duplicate) - directing to question which does cover subject between the lines of other subject, but overall equals: "I'm not answering, read the documentation."
So back to the que...
What's the difference of $host and $http_host in Nginx
In Nginx, what's the difference between variables $host and $http_host .
1 Answer
1...
What is difference between sjlj vs dwarf vs seh?
... I'm using GCC. Everything is great. I can optimize code, it compiles fast and uses not-so-much memory.
2 Answers
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Single quotes vs. double quotes in C or C++
When should I use single quotes and double quotes in C or C++ programming?
12 Answers
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.htaccess: Invalid command 'RewriteEngine', perhaps misspelled or defined by a module not included i
...t of the line)
Also find the line ClearModuleList is uncommented then find and make sure that the line AddModule mod_rewrite.c is not commented out.
If the LoadModule rewrite_module modules/mod_rewrite.so line is missing from the httpd.conf file entirely, just add it.
Sample command
To enable the m...
Frequency table for a single variable
One last newbie pandas question for the day: How do I generate a table for a single Series?
4 Answers
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How do I navigate in the results of Diff
When I do a Git diff, it shows the code with the diff and it looks great. But how do I go to the next page or the next document.
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