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What does axis in pandas mean?

... Usually axis=0 is said to be "column-wise" (and axis=1 "row-wise"), I think "along the rows" is confusing. (Nice "pic" though :) ) – Andy Hayden Mar 3 '14 at 17:43 ...
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How to handle many-to-many relationships in a RESTful API?

...ier. Relationship IDs probably ought to be based on UUIDs or something equally long and random, irrespective of whatever type of IDs you use for teams and players. That will let you use the same UUID as the ID component for each end of the relationship without worrying about collisions (small integ...
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jQuery delete all table rows except first

Using jQuery, how do I delete all rows in a table except the first? This is my first attempt at using index selectors. If I understand the examples correctly, the following should work: ...
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Git stash uncached: how to put away all unstaged changes?

... a snippet from the git-stash help If the --keep-index option is used, all changes already added to the index are left intact. If the --include-untracked option is used, all untracked files are also stashed and then cleaned up with git clean, leaving the working directory in a very cl...
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Breakpoints are crossed out, how can I make them valid?

...a menu entry you have discovered for yourself that toggles the skipping of all breakpoints. There is also an icon for this in the "Breakpoints" View, and there may be a hot-key defined as well, all of which you may have triggered by accident. Take a look at the Run -> Skip All Breakpoints. ...
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Java concurrency: Countdown latch vs Cyclic barrier

...ble task which is run once the common barrier condition is met. It also allows you to get the number of clients waiting at the barrier and the number required to trigger the barrier. Once triggered the barrier is reset and can be used again. For simple use cases - services starting etc... a C...
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How can I get the external SD card path for Android 4.0+?

... this returned both the internal and external. This device is kinda an oddball in that its internal largely goes unused as getExternalStorage() returns a path to the sdcard instead. and some single storage devices that use an sdcard as their main storage HTC G1 (cyanogenmod 6.1) HTC G1 (stock) H...
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how perform grep operation on all files in a directory

... grep $PATTERN * would be sufficient. By default, grep would skip all subdirectories. However, if you want to grep through them, grep -r $PATTERN * is the case. share | improve this answer ...
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Easy way to pull latest of all git submodules

...ou just want to use the setting as stored in .gitmodules, you can automatically initialize the submodule with the --init option. – patryk.beza Mar 2 '16 at 22:59 ...
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How Do I Choose Between a Hash Table and a Trie (Prefix Tree)?

...me (assuming the longest key is the longest english word) it can be essentially O(1) (in relation to the upper bound). Maybe the longest english word is 50 characters? ...