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How can I eliminate slow resolving/loading of localhost/virtualhost (a 2-3 second lag) on Mac OS X L
Since setting up my development environments on Mac OS X Lion (brand new macbook air purchased in January 2012), I have noticed that resolving to a virtual host is very slow (around 3 seconds) the first time but after that is fast as long as I continue loading it regularly.
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How to set default values in Rails?
...ay:
class SetDefault < ActiveRecord::Migration
def self.up
change_column :people, :last_name, :type, :default => "Doe"
end
def self.down
# You can't currently remove default values in Rails
raise ActiveRecord::IrreversibleMigration, "Can't remove the default"
end
end
Be...
Eclipse error “ADB server didn't ACK, failed to start daemon”
After updating the SDK, Eclipse shows this error:
22 Answers
22
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How to recursively find and list the latest modified files in a directory with subdirectories and ti
...made the following changes (to the 'fast' one) so I didn't have to see the errors in my final output. find ${1} -type f | xargs stat --format '%Y :%y %n' 2>/dev/null | sort -nr | cut -d: -f2-
– TJ L
Dec 14 '12 at 14:13
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What must I know to use GNU Screen properly? [closed]
...ving a hard time getting used to it. That makes me think about the essential things he needs to know about the excellent Screen utility, the same things that you'd think worthwhile to teach someone, a beginner, from the ground up. What are some analogies and handy tips for remembering binds, etc.?...
Error starting jboss server
... as always install and test standard tools which I use, and now I get this error like never before when I tried to start Jboss 5 from eclipse, its quite big exeption :
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C Macro definition to determine big endian or little endian machine?
...H
#include <limits.h>
#include <stdint.h>
#if CHAR_BIT != 8
#error "unsupported char size"
#endif
enum
{
O32_LITTLE_ENDIAN = 0x03020100ul,
O32_BIG_ENDIAN = 0x00010203ul,
O32_PDP_ENDIAN = 0x01000302ul, /* DEC PDP-11 (aka ENDIAN_LITTLE_WORD) */
O32_HONEYWELL_ENDIAN ...
Creating an abstract class in Objective-C
...NSInvalidAbstractInvocation(). Calling an abstract method is a programming error, which is why it throws an exception. Abstract factories are commonly implemented as class clusters.
– quellish
Aug 2 '14 at 23:40
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How can I programmatically create a new cron job?
I want to be able to programatically add a new cron job, what is the best way to do this?
18 Answers
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git update-index --assume-unchanged on directory
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– Mohamed Hussain
Feb 17 '15 at 13:05
3
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