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Pandas conditional creation of a series/dataframe column
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If you only have two choices to select from:
df['color'] = np.where(df['Set']=='Z', 'green', 'red')
For example,
import pandas as pd
import numpy as np
df = pd.DataFrame({'Type':list('ABBC'), 'Set':list('ZZXY')})
df['col...
Detecting when a div's height changes using jQuery
...a plugin, actually it is a simple function written as a jQuery plugin.. so if you want.. strip off the plugin specfic code and use the core functions.
Note: This code doesn't use polling
check out this simple demo http://jsfiddle.net/aD49d/
$(function () {
var prevHeight = $('#test').height(...
Checking if a SQL Server login already exists
I need to check if a specific login already exists on the SQL Server, and if it doesn't, then I need to add it.
10 Answers
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Ternary operator (?:) in Bash
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ternary operator ? : is just short form of if/else
case "$b" in
5) a=$c ;;
*) a=$d ;;
esac
Or
[[ $b = 5 ]] && a="$c" || a="$d"
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When is finally run if you throw an exception from the catch block?
...lock is executed)
editing this 7 years later - one important note is that if e is not caught by a try/catch block further up the call stack or handled by a global exception handler, then the finally block may never execute at all.
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How to tell if node.js is installed or not
...ind further instructions. What does one really need to do? I wanted to see if it was actually working. So I executed a script called hello.js. It went as such:
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Fragment lifecycle - which method is called upon show / hide?
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Similar to activity lifecycle, Android calls onStart() when fragment becomes visible. onStop() is normally called when fragment becomes invisible, but it can also be called later in time.
Depending on your layout Android can call onStart() even,...
Physical vs. logical / soft delete of database record?
...de any reporting/display methods to take the flag into account.
As far as if it is a common practice - I would say yes, but as with anything whether you use it depends on your business needs.
EDIT: Thought of another disadvantange - If you have unique indexes on the table, deleted records will sti...
What is the difference between NULL, '\0' and 0?
In C, there appear to be differences between various values of zero -- NULL , NUL and 0 .
11 Answers
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How to debug a GLSL shader?
...ally distinctive to the screen. For example you can paint something a specific color only if you reach the point of your code where you want add a printf. If you need to printf a value you can set the color according to that value.
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