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Pretty-print an entire Pandas Series / DataFrame
I work with Series and DataFrames on the terminal a lot. The default __repr__ for a Series returns a reduced sample, with some head and tail values, but the rest missing.
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Drawing Isometric game worlds
...echnique for mapping the tiles to the screen can be said that the tile's x and y coordinates are on the vertical and horizontal axes.
"Drawing in a diamond" approach:
By drawing an isometric map using "drawing in a diamond", which I believe refers to just rendering the map by using a nested for-lo...
What does CultureInfo.InvariantCulture mean?
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Not all cultures use the same format for dates and decimal / currency values.
This will matter for you when you are converting input values (read) that are stored as strings to DateTime, float, double or decimal. It will also matter if you try to format the aforementio...
Get the IP address of the machine
...) will let you do the same thing easily, it works fine for me on os x 10.5 and should be the same below.
I've done a quick example below which will print all of the machine's IPv4 address, (you should also check the getifaddrs was successful ie returns 0).
I've updated it show IPv6 addresses too.
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What's the difference between tag and release?
...st from the GitHub blog: "Releases are first-class objects with changelogs and binary assets that present a full project history beyond Git artifacts."
A Release is created from an existing tag and exposes release notes and links to download the software or source code from GitHub.
Using GitHub...
Position of least significant bit that is set
...hed. My favourite solution for your problem (from that site) is «multiply and lookup»:
unsigned int v; // find the number of trailing zeros in 32-bit v
int r; // result goes here
static const int MultiplyDeBruijnBitPosition[32] =
{
0, 1, 28, 2, 29, 14, 24, 3, 30, 22, 20, 15, 25, 17...
What is the preferred syntax for defining enums in JavaScript?
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Since 1.8.5 it's possible to seal and freeze the object, so define the above as:
const DaysEnum = Object.freeze({"monday":1, "tuesday":2, "wednesday":3, ...})
or
const DaysEnum = {"monday":1, "tuesday":2, "wednesday":3, ...}
Object.freeze(DaysEnum)
and voil...
R: rJava package install failing
When installing rJava using the install.packages("rJava") command I get the following error:
16 Answers
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Git keeps prompting me for a password
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I think you may have the wrong Git repository URL.
Open .git/config and find the [remote "origin"] section. Make sure you're using the SSH one:
ssh://git@github.com/username/repo.git
You can see the SSH URL in the main page of your repository if you click Clone or download and choose ssh.
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npm ERR cb() never called
...t:
$ sudo npm cache verify
Otherwise:
$ sudo npm cache clean
My node and npm versions are:
$ node -v
v0.10.0
$ npm -v
1.2.14
https://docs.npmjs.com/cli/cache
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