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Ruby Metaprogramming: dynamic instance variable names
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Didn't work for me for 1.9.3. I used this instead hash.each {|k,v| instance_variable_set("@#{k}",v)}
– Andrei
Jun 10 '12 at 20:32
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Groovy Shell warning “Could not open/create prefs root node …”
...refs and everything should work.
Alternatively, save and execute a *.reg file with the following content:
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\Software\JavaSoft\Prefs]
share
|
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How to use MDC with thread pools?
In our software we extensively use MDC to track things like session IDs and user names for web requests. This works fine while running in the original thread. However, there's a lot of things that need to be processed in the background. For that we use the java.concurrent.ThreadPoolExecutor and j...
Convert object to JSON in Android
Is there a simple method to convert any object to JSON in Android?
6 Answers
6
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Xcode 5 & Asset Catalog: How to reference the LaunchImage?
... It's incredibly annoying that XCode will automatically create a file name for these image assets and make you jump through hoops to figure out how to directly access them...
– Mr. T
Oct 21 '14 at 3:55
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SQLite Reset Primary Key Field
..._table';
SQLite Autoincrement
SQLite keeps track of the largest
ROWID that a table has ever held using
the special SQLITE_SEQUENCE table. The
SQLITE_SEQUENCE table is created and
initialized automatically whenever a
normal table that contains an
AUTOINCREMENT column is created. The...
Generate unique random numbers between 1 and 100
... This is how I always do it, too. So if I wanted ten random lines from a file with a bunch of lines in it, I do randlines file | head -10.
– tchrist
Sep 9 '12 at 19:38
1
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postgres default timezone
...n your "timezones" folder in /usr/share/postgresql/9.1/ for the appropiate file, in my case would be "America.txt", in it, search for the closest location to your zone and copy the first letters in the left column.
For example: if you are in "New York" or "Panama" it would be "EST":
# - EST: East...
Is JSON Hijacking still an issue in modern browsers?
...bed in http://www.thespanner.co.uk/2011/05/30/json-hijacking/:
(http://jsfiddle.net/ph3Uv/2/)
var capture = function() {
var ta = document.querySelector('textarea')
ta.innerHTML = '';
ta.appendChild(document.createTextNode("Captured: "+JSON.stringify(arguments)));
return arguments;
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Bash script absolute path with OS X
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One of the "features" of OS X is that the directory and filenames are case insensitive. As a result if you have a directory called XXX and some one cd xxx then pwd will return .../xxx. Except for this answer, all of the solutions above return xxx when what you really want is XXX. ...