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What is the difference between NaN and None?
...results):
In [15]: s_bad.sum()
Out[15]: 1
In [16]: s_good.sum()
Out[16]: 1.0
To answer the second question:
You should be using pd.isnull and pd.notnull to test for missing data (NaN).
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i...
Assign width to half available screen width declaratively
...e changing it to a percentage, then see this answer.
XML
<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas...
Custom attributes in styles.xml
...he answer is to NOT specify the namespace in the style.
<?xml version="1.0" encoding="utf-8" ?>
<resources xmlns:android="http://schemas.android.com/apk/res/android">
<style name="CustomStyle">
<item name="android:layout_width">wrap_content</item>
&...
Amazon S3 direct file upload from client browser - private key disclosure
...ket properties and write following XML code into that.
<?xml version="1.0" encoding="UTF-8"?>
<CORSConfiguration xmlns="http://s3.amazonaws.com/doc/2006-03-01/">
<CORSRule>
<AllowedMethod>GET</AllowedMethod>
<AllowedMethod>PUT</AllowedMethod>
&l...
How can I change my Cygwin home folder after installation?
... start. When I use db_home: /cygdrive/c/Users/%U, it takes sh about 0.9 to 1.0 seconds to start. When I delete the db_home line or hard-code it to the Windows home directory, sh takes about 0.2 to 0.3 seconds to start. I am going with the hard-coded solution, e.g. db_home: /cygdrive/c/Users/susam, b...
Ignore Xcode warnings when using Cocoapods
...fined method `inhibit_all_warnings!' for #<Pod::Specification for MyApp(1.0)>
– KrauseFx
Nov 3 '12 at 21:27
...
How does Spring Data JPA differ from Hibernate for large projects?
... for custom repositories with the CustomImpl file name:
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans" xmlns:jpa="http://www.springframework.org/schema/data/jpa"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:util="http://www....
How to implement the activity stream in a social network
...x has posted a link to Adam's wall.
Their JSON's Spec has reached version 1.0 at the time of writing, which shows the pattern for the activity that you can apply.
Their format has already been adopted by BBC, Gnip, Google Buzz Gowalla, IBM, MySpace, Opera, Socialcast, Superfeedr, TypePad, Windows ...
Detect all Firefox versions in JS
...reatedArray = [],
firefoxVersion = "0";
// Firefox 1.0 released November 9, 2004
// Check a current feature as being true, or NOT undefined
// AND check future features as EQUAL undefined
if (typeof window.alert !== "undefined" &&
...
Socket.io rooms difference between broadcast.to and sockets.in
...
In Socket.IO 1.0, .to() and .in() are the same. And others in the room will receive the message. The client sends it won't receive the message.
Check out source code (v1.0.6):
https://github.com/Automattic/socket.io/blob/a40068b5f328fe5...