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Bash script error [: !=: unary operator expected
...actually simplistic ... Pretty much covers all of your cases, and no empty string or unary concerns.
In the case the first arg is '-v', then do your conditional ps -ef, else in all other cases throw the usage.
#!/bin/sh
case $1 in
'-v') if [ "$1" = -v ]; then
echo "`ps -ef | grep -v '\[...
Embed git commit hash in a .Net dll
... version.txt to your .gitignore file
Read the embedded text file version string
Here's some sample code to read the embedded text file version string:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
using System.Reflection;
namespace TryGit...
What is the difference between Class.getResource() and ClassLoader.getResource()?
...
Had to look it up in the specs:
Class.getResource(String resource)
ClassLoader.getResource(String resource)
Class's getResource() - documentation states the difference:
This method delegates the call to its class loader, after making these changes to the resource name:...
What do two question marks together mean in C#?
...null Answer# to Answer (if all Answers are null then the Answer is null):
string Answer = Answer1 ?? Answer2 ?? Answer3 ?? Answer4;
Also it's worth mentioning while the expansion above is conceptually equivalent, the result of each expression is only evaluated once. This is important if for exa...
Get decimal portion of a number with JavaScript
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(2.3 % 1).toFixed(4).substring(2) = "3000" if you need it without the 0.
– Simon_Weaver
Oct 2 '15 at 9:22
15
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How to detect if a stored procedure already exists
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If you DROP and CREATE the procedure, you will loose the security settings. This might annoy your DBA or break your application altogether.
What I do is create a trivial stored procedure if it doesn't exist yet. After that, you can AL...
MySQL: How to copy rows, but change a few fields?
... do it without having to specify the column names?
– Andrew
May 6 '10 at 18:00
4
Not that I'm awa...
JPA - Returning an auto generated id after persist()
I'm using JPA (EclipseLink) and Spring. Say I have a simple entity with an auto-generated ID:
7 Answers
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ImageView in circular through xml
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You can make a simple circle with white border and transparent content with shape.
// res/drawable/circle.xml
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:innerRadius="0dp"
android:shape="ring"
android:thicknessRatio="1.9"
...
how to get request path with express req object
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If you don't want the query string included: const path = req.originalUrl.replace(/\?.*$/, '');
– Adam Reis
Feb 5 '19 at 4:03
3
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