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Understanding the map function
...tesian product with a list comprehension though:
[(a, b) for a in iterable_a for b in iterable_b]
The syntax is a little confusing -- that's basically equivalent to:
result = []
for a in iterable_a:
for b in iterable_b:
result.append((a, b))
...
Convert XML to JSON (and back) using Javascript
... DOM Object to JSON
X2JS.json2xml - Convert JSON to XML DOM Object
X2JS.xml_str2json - Convert XML specified as string to JSON
X2JS.json2xml_str - Convert JSON to XML string
Online Demo on http://jsfiddle.net/abdmob/gkxucxrj/1/
var x2js = new X2JS();
function convertXml2JSon() {
$("#jsonArea")...
How to post data to specific URL using WebClient in C#
... allow same key .thus may lead weird begaiviour
– bh_earth0
Jan 17 '17 at 21:49
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How to use a custom comparison function in Python 3?
...ert your old cmp function to a key function).
functools has a function cmp_to_key mentioned at docs.python.org/3.6/library/functools.html#functools.cmp_to_key
share
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improve this answer
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Pandas percentage of total with groupby
...you can calculate the percentage in a simpler way -- just groupby the state_office and divide 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,
...
How to configure Git post commit hook
...the git notes 'build' (git show refs/notes/build): git diff --name-only SHA_build HEAD.
your script can parse that list and decide if it needs to go on with the build.
in any case, create/move your git notes 'build' to HEAD.
May 2016: cwhsu points out in the comments the following possible url...
SQL Server - copy stored procedures from one db to another
...ResiDazeMaster].[sys].[procedures] p
INNER JOIN [ResiDazeMaster].sys.sql_modules m ON p.object_id = m.object_id
OPEN c
FETCH NEXT FROM c INTO @sql
WHILE @@FETCH_STATUS = 0
BEGIN
SET @sql = REPLACE(@sql,'''','''''')
SET @sql = 'USE [' + @Name + ']; EXEC(''' + @sql + ''')'
EXEC(@sql)
...
Web API Put Request generates an Http 405 Method Not Allowed error
... <handlers>
<remove name="ExtensionlessUrlHandler-ISAPI-4.0_32bit" />
<remove name="ExtensionlessUrlHandler-ISAPI-4.0_64bit" />
<remove name="ExtensionlessUrlHandler-Integrated-4.0" />
<add name="ExtensionlessUrlHandler-ISAPI-4.0_32bit" path="*." verb="G...
Best practices for in-app database migration for Sqlite
...t/set this variable with the following sqlite statements:
> PRAGMA user_version;
> PRAGMA user_version = 1;
When the app starts, I check the current user-version, apply any changes that are needed to bring the schema up to date, and then update the user-version. I wrap the updates in a t...
Adding custom radio buttons in android
...ransparent:
<RadioButton
android:id="@+id/radio0"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@null"
android:button="@drawable/yourbuttonbackground"
android:checked="true"
android:text="RadioButton1" />
If you would ...