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After Installing Java JDK 7 For Mac OS X - mvn -version still shows java version 1.6.0_31
...7
You should use JAVA_HOME=$(/usr/libexec/java_home) instead on a Mac and then set the current jdk via "Java Preferences.app".
Set JAVA_HOME in ~/.profile
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Rank function in MySQL
...LECT person.*, @rank := CASE
WHEN @partval = gender AND @rankval = age THEN @rank
WHEN @partval = gender AND (@rankval := age) IS NOT NULL THEN @rank + 1
WHEN (@partval := gender) IS NOT NULL AND (@rankval := age) IS NOT NULL THEN 1
END AS rnk
FROM person, (SELECT @rank := NULL, @partval...
Acronyms in CamelCase [closed]
...roperty or event. If the guideline for the identifier is using PascalCase, then it would be USTaxes and PlayerId; camelCase: usTaxes and playerId. 3) It would be USId in PascalCase, usId in camelCase, and parseDbmXml in camelCase.
– Frederik Krautwald
May 26 '1...
What is Erlang written in?
...g. This was called the
JAM machine; JAM = Joe's Abstract
Machine.
Then I wrote a compiler from Erlang to
JAM and an emulator to see if the
machine worked. Both these were
written in prolog.
At the same time Mike Williams wrote a
C emulator for the JAM.
Then I rewrote the e...
NPM/Bower/Composer - differences?
...wer itself is a npm package). If you are going to do anything with nodejs, then you are going to use npm.
bower is a package manager that aims at (front-end) web projects. You need npm and nodejs to install bower and to execute it, though bower packages are not meant specifically for nodejs, but ra...
What causes java.lang.IncompatibleClassChangeError?
...dd a new field to class/interface (or add new super-class/super-interface) then a static field from a super-interface of a client class C may hide an added field (with the same name) inherited from the super-class of C (very rare case).
Note: There are many other exceptions caused by other incompa...
Combined area of overlapping circles
...ance marked as empty). Each cell is either :
inside at least one circle, then mark the cell as full,
outside all circles, mark the cell as empty,
else mark the cell as partial.
When it's done, you can compute an estimation of the area : the full cells give the lower bound, the empty cells give t...
Best way to do multiple constructors in PHP
... array $row ) {
// fill all properties from array
}
}
?>
Then if i want a Student where i know the ID:
$student = Student::withID( $id );
Or if i have an array of the db row:
$student = Student::withRow( $row );
Technically you're not building multiple constructors, just stat...
Nginx 403 error: directory index of [folder] is forbidden
... SCRIPT_FILENAME $document_root$fastcgi_script_name;
}
}
Then the only output in the browser was a Laravel error: “Whoops, looks like something went wrong.”
Do NOT run chmod -R 777 app/storage (note). Making something world-writable is bad security.
chmod -R 755 app/storage w...
create multiple tag docker image
...via the command line.
Use this to list your image ids:
$ docker images
Then tag away:
$ docker tag 9f676bd305a4 ubuntu:13.10
$ docker tag 9f676bd305a4 ubuntu:saucy
$ docker tag eb601b8965b8 ubuntu:raring
...
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