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Drop rows with all zeros in pandas data frame
I can use pandas dropna() functionality to remove rows with some or all columns set as NA 's. Is there an equivalent function for dropping rows with all columns having value 0?
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Check if one IEnumerable contains all elements of another IEnumerable
What is the fastest way to determine if one IEnumerable contains all the elements of another IEnumerable when comparing a field/property of each element in both collections?
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PHP 5 disable strict standards error
...isable error reporting, or just prevent the user from seeing it? It’s usually a good idea to log errors, even on a production site.
# in your PHP code:
ini_set('display_errors', '0'); # don't show any errors...
error_reporting(E_ALL | E_STRICT); # ...but do log them
They will be logged to ...
Grant **all** privileges on database
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GRANT ALL PRIVILEGES ON mydb.* TO 'myuser'@'%' WITH GRANT OPTION;
This is how I create my "Super User" privileges (although I would normally specify a host).
IMPORTANT NOTE
While this answer can solve the problem of access, WITH G...
get all keys set in memcached
How can I get all the keys set in my memcached instance(s)?
6 Answers
6
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Xcode + remove all breakpoints
Is there any way to remove all the breakpoints in Xcode?
12 Answers
12
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/etc/apt/sources.list" E212: Can't open file for writing
...as trying to write to a network drive, and my network permissions had partially crashed for that screen session. I ended up writing out to a temporary file in /var and copying that from another ssh instance over to my home directory.
– Ross Aiken
Apr 4 '13 at ...
How do I check/uncheck all checkboxes with a button using jQuery?
I am trying to check/uncheck all checkboxes using jQuery. Now by checking/unchecking the parent checkbox all the child checkboxes are getting selected/deselected also with the text of parent checkbox getting changed to checkall/uncheckall.
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How to disable all inside a form with jQuery?
...se prop instead:
$("#target :input").prop("disabled", true);
To disable all form elements inside 'target'. See :input:
Matches all input, textarea, select and button elements.
If you only want the <input> elements:
$("#target input").prop("disabled", true);
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How to get all columns' names for all the tables in MySQL?
Is there a fast way of getting all column names from all tables in MySQL , without having to list all the tables?
10 Answe...