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How to store a dataframe using Pandas
...erability, as a faster alternative to JSON, or if you have python object/text-heavy data (see this question).
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SQL SELECT speed int vs varchar
...nts take up much less space than varchars.
This holds true both for unindexed and indexed access. The fastest way to go is an indexed int column.
As I see you've tagged the question postgreql, you might be interested in the space usage of different date types:
int fields occupy between 2 and 8...
How to escape quote marks in Exec Command in MSBuild
...ed double quote marks, but MSBuild doesn't like it (either that or Windows XP doesn't like it). Anyone know how to code this beast so the map works?
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Generate array of all letters and digits
... Is there a particular name for the * operator used in this context? It's new to me.
– Michael Burr
Jan 31 '11 at 1:38
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Maintain/Save/Restore scroll position when returning to a ListView
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Try this:
// save index and top position
int index = mList.getFirstVisiblePosition();
View v = mList.getChildAt(0);
int top = (v == null) ? 0 : (v.getTop() - mList.getPaddingTop());
// ...
// restore index and position
mList.setSelectionFromTop(...
How to amend a commit without changing commit message (reusing the previous one)?
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..and even less - ... <<< :x :)
– skwisgaar
Dec 1 '16 at 14:19
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PHP ORMs: Doctrine vs. Propel
...ropel , but I of course need to make a choice.... I was wondering if more experienced people out there have general pros and/or cons for going with either of these two?
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IntelliJ beginning of file keyboard shortcut
...o move to the beginning of a file? I checked IntelliJ's Keymap for Mac OS X and it doesn't list anything for navigating to the start of a file.
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How to check if a file is a valid image file?
...r for various file formats. You could check for this in addition to your exception checking above.
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How to list all tags that contain a commit?
...it on is so large git bailed and got SIGKILL'ed.
– atx
Oct 27 '11 at 23:00
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