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Bash script absolute path with OS X
...ction that'll do the job, but I'm not seeing anything available on the command-line. Here's a quick and dirty replacement:
#!/bin/bash
realpath() {
[[ $1 = /* ]] && echo "$1" || echo "$PWD/${1#./}"
}
realpath "$0"
This prints the path verbatim if it begins with a /. If not it must b...
How to test which port MySQL is running on and whether it can be connected to?
I have installed MySQL and even logged in there as a user.
13 Answers
13
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The tilde operator in C
I've seen the tilde operator used in the ELF hashing algorithm, and I'm curious what it does. (The code is from Eternally Confused .)
...
Should one use < or
...!= instead? I'd say that that most clearly establishes i as a loop counter and nothing else.
– yungchin
Feb 12 '09 at 2:59
21
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Rails params explained?
Could anyone explain params in Rails controller: where they come from, and what they are referencing?
5 Answers
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How to install JSTL? The absolute uri: http://java.sun.com/jstl/core cannot be resolved
... users. The problem with Tomcat is that it does not offer JSTL out the box and thus you have to manually install it. This is not necessary in normal Java EE servers. See also What exactly is Java EE?
In your specific case, your pom.xml basically tells you that you have jstl-1.2.jar and standard-1.1...
How can I make a horizontal ListView in Android? [duplicate]
Like many things in Android, you wouldn't think this would be such a hard problem but ohhh, by golly, would you be wrong. And, like many things in Android, the API doesn't even provide a reasonably extensible starting point. I'll be damned if I'm going to roll my own ListView, when all I want is t...
How to generate UML diagrams (especially sequence diagrams) from Java code?
...ObjectAid UML Explorer
Location: http://www.objectaid.com/update/current
And produces quite nice UML diagrams:
Description from the website:
The ObjectAid UML Explorer is different from other UML tools. It uses
the UML notation to show a graphical representation of existing code
that is...
Using Caps Lock as Esc in Mac OS X
...he System Preferences, choose Keyboard, then the Keyboard Tab (first tab), and click Modifier Keys:
In the popup dialog set Caps Lock Key to No Action:
2) Now, click here to download Seil and install it:
3) After the installation you will have a new Application installed ( Mountain Lion an...
How do you split a list into evenly sized chunks?
I have a list of arbitrary length, and I need to split it up into equal size chunks and operate on it. There are some obvious ways to do this, like keeping a counter and two lists, and when the second list fills up, add it to the first list and empty the second list for the next round of data, but t...