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Pandas percentage of total with groupby
... the sales column by its sum. Copying the beginning of Paul H's answer:
# From Paul H
import numpy as np
import pandas as pd
np.random.seed(0)
df = pd.DataFrame({'state': ['CA', 'WA', 'CO', 'AZ'] * 3,
'office_id': list(range(1, 7)) * 2,
'sales': [np.random.rand...
What is content-type and datatype in an AJAX request?
...arset=UTF-8, which is the default.
dataType is what you're expecting back from the server: json, html, text, etc. jQuery will use this to figure out how to populate the success function's parameter.
If you're posting something like:
{"name":"John Doe"}
and expecting back:
{"success":true}
Th...
Iterating through directories with Python
...Pathlib is also available on Python 2.7 via the pathlib2 module on PyPi):
from pathlib import Path
rootdir = Path('C:/Users/sid/Desktop/test')
# Return a list of regular files only, not directories
file_list = [f for f in rootdir.glob('**/*') if f.is_file()]
# For absolute paths instead of relati...
Read/write files within a Linux kernel module
I know all the discussions about why one should not read/write files from kernel, instead how to use /proc or netlink to do that. I want to read/write anyway. I have also read
Driving Me Nuts - Things You Never Should Do in the Kernel .
...
How to suppress scientific notation when printing float values?
... (in original function, a negative number would end up like 0.0000-108904 from -1.08904e-05)
def getExpandedScientificNotation(flt):
was_neg = False
if not ("e" in flt):
return flt
if flt.startswith('-'):
flt = flt[1:]
was_neg = True
str_vals = str(flt).spl...
How to quickly and conveniently disable all console.log statements in my code?
...on Cide's idea. A custom logger which you can use to toggle logging on/off from your code.
From my Firefox console:
var logger = function()
{
var oldConsoleLog = null;
var pub = {};
pub.enableLogger = function enableLogger()
{
if...
How to hide TabPage from TabControl [duplicate]
How to hide TabPage from TabControl in WinForms 2.0?
22 Answers
22
...
How can I get query string values in JavaScript?
...r the hash resides in the window.location.hash property, which is separate from the window.location.search property. If the hash changes, it doesn't affect the querystring at all.
– Andy E
Jul 14 '10 at 9:20
...
Add swipe to delete UITableViewCell
...wCellEditingStyle.Delete) {
// handle delete (by removing the data from your array and updating the tableview)
}
}
Swift 3.0:
override func tableView(_ tableView: UITableView, canEditRowAt indexPath: IndexPath) -> Bool {
return true
}
override func tableView(_ tableView: UITab...
Thread context switch Vs. process context switch
...ching which is shortly mentioned here: youtu.be/3akTtCu_F_k?t=46m8s (watch from the beginning to know more about Virtual Memory, page tables and TLB).
– piotrwest
Jun 24 '16 at 23:05
...