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How to form tuple column from two columns in Pandas
...rtable with zip. It comes in handy when dealing with column data.
df['new_col'] = list(zip(df.lat, df.long))
It's less complicated and faster than using apply or map. Something like np.dstack is twice as fast as zip, but wouldn't give you tuples.
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Use RSA private key to generate public key?
... compatible with OpenSSH. Append the public key to remote:~/.ssh/authorized_keys and you'll be good to go
docs from SSH-KEYGEN(1)
ssh-keygen -y [-f input_keyfile]
-y This option will read a private OpenSSH format file and print an OpenSSH public key to stdout.
...
Are there any O(1/n) algorithms?
...ct an arbitrary algorithm to fulfill this, e.g. the following one:
def get_faster(list):
how_long = (1 / len(list)) * 100000
sleep(how_long)
Clearly, this function spends less time as the input size grows … at least until some limit, enforced by the hardware (precision of the numbers, m...
Android studio, gradle and NDK
... -fexceptions" // Add provisions to allow C++11 functionality
stl "gnustl_shared" // Which STL library to use: gnustl or stlport
}
That's the process of compiling your C++ code, from there you need to load it, and create wrappers - but judging from your question, you already know how to do all t...
Reading file contents on the client-side in javascript in various browsers
...)
{
alert(content);
}
ReadFileAllBrowsers(document.getElementById("file_upload"), CallBackFunction);
//Tested in Mozilla Firefox browser, Chrome
function ReadFileAllBrowsers(FileElement, CallBackFunction)
{
try
{
var file = FileElement.files[0];
var contents_ = "";
if (file) {
...
Renaming table in rails
...ion:
class RenameFoo < ActiveRecord::Migration
def self.up
rename_table :foo, :bar
end
def self.down
rename_table :bar, :foo
end
end
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Empty arrays seem to equal true and false at the same time
... edited Jun 23 '16 at 1:38
d_ethier
3,6042020 silver badges3030 bronze badges
answered Mar 30 '11 at 20:10
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iPad/iPhone hover problem causes the user to double click a link
...
This has its flaws. If you click a link with target="_blank" it will open in the same window AND in a new window.
– rybo111
Nov 19 '13 at 0:36
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How to bind RadioButtons to an enum?
.... So instead I check if the value is different in my property setter : if (_myEnumBackingField == value) return;
– Stéphane
Mar 24 '11 at 12:55
8
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Why should I care about lightweight vs. annotated tags?
...imple to me:
https://www.kernel.org/pub/software/scm/git/docs/git-tag.html#_on_backdating_tags
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