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How to tell if JRE or JDK is installed
...d of a JDK?
– Pacerier
Dec 4 '14 at 8:53
@Pacerier Why ?? i do not know that for sure lol!. Maybe you do not have JDK...
Java: function for arrays like PHP's join()?
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Starting from Java8 it is possible to use String.join().
String.join(", ", new String[]{"Hello", "World", "!"})
Generates:
Hello, World, !
Otherwise, Apache Commons Lang has a StringUtils class which has a join function which will join a...
How to stop Jenkins installed on Mac Snow Leopard?
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8 Answers
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Can I have multiple Xcode versions installed?
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slideshowp2
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answered Mar 21 '09 at 14:41
MattKMattK
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How to check status of PostgreSQL server Mac OS X
...look for a command that looks something like this (your version may not be 8.3):
/Library/PostgreSQL/8.3/bin/postgres -D /Library/PostgreSQL/8.3/data
To start the server, execute something like this:
/Library/PostgreSQL/8.3/bin/pg_ctl start -D /Library/PostgreSQL/8.3/data -l postgres.log
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How to fix the uninitialized constant Rake::DSL problem on Heroku?
...ant Rake::DSL
– David
Jun 20 '11 at 8:05
2
I got the error deploying to Heroku, which today pulle...
How to get the current time in YYYY-MM-DD HH:MI:Sec.Millisecond format in Java?
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SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS");
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SyntaxError: Non-ASCII character '\xa3' in file when function returns '£'
...I encoding, but the pound symbol is not an ASCII character. Try using UTF-8 encoding. You can start by putting # -*- coding: utf-8 -*- at the top of your .py file. To get more advanced, you can also define encodings on a string by string basis in your code. However, if you are trying to put the ...
Overload constructor for Scala's Case Classes?
In Scala 2.8 is there a way to overload constructors of a case class?
2 Answers
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HTML5 LocalStorage: Checking if a key exists [duplicate]
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edited Apr 15 '13 at 8:56
answered Apr 15 '13 at 8:35
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