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Get string character by index - Java
...ystem.out.println(charAtZero); // Prints f
For more information, see the Java documentation on String.charAt. If you want another simple tutorial, this one or this one.
If you don't want the result as a char data type, but rather as a string, you would use the Character.toString method:
String t...
Which types can be used for Java annotation members?
...ents? I swear I google everytime before asking on StackOverlow and on many Java question someone posts a link to the JSL which answers my question. Why do I not find those pages via Google?!
– Daniel Rikowski
Sep 22 '09 at 7:17
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Checking for a null int value from a Java ResultSet
In Java I'm trying to test for a null value, from a ResultSet, where the column is being cast to a primitive int type.
1...
Search and replace in Vim across all the project files
... On Mac OS X the only sed command that worked for me was: find . -type f | LANG=C xargs sed -i '' 's/SEARCH/REPLACE/g'
– ghodss
Sep 15 '15 at 7:39
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What is the volatile keyword useful for?
At work today, I came across the volatile keyword in Java. Not being very familiar with it, I found this explanation .
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Package structure for a Java project?
Whats the best practice for setting up package structures in a Java Web Application?
7 Answers
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Use of Java's Collections.singletonList()?
What is the use of Collections.singletonList() in Java? I understand that it returns a list with one element. Why would I want to have a separate method to do that? How does immutability play a role here?
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Eclipse error: 'Failed to create the Java Virtual Machine'
...ms\jdk1.6\bin lines.
Also, a general recommendation: set -Dosgi.requiredJavaVersion=1.6, not 1.5.
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Best Java obfuscator? [closed]
I am developing a security software and want to obfuscate my java code so it will become impossible to reverse engineer. What is the most reliable java obfuscator ?
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Execute a terminal command from a Cocoa app
...utput and Japanese-named files, this fixed it
NSString* output = [@"export LANG=en_US.UTF-8;echo hello" runAsCommand];
Hope it's as useful to you as it will be to future me. (Hi, you!)
Swift 4
Here's a Swift example making use of Pipe, Process, and String
extension String {
func run() -&g...