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How can I break an outer loop with PHP?
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274
In the case of 2 nested loops:
break 2;
http://php.net/manual/en/control-structures.break.p...
How to “pretty” format JSON output in Ruby on Rails
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1025
Use the pretty_generate() function, built into later versions of JSON. For example:
require 'j...
What's the difference between Sender, From and Return-Path?
...y round?
– Ethan Leroy
Feb 6 '15 at 22:03
7
Imagine some VIP that has an assistant managing their...
Which kind of pointer do I use when?
...ss template auto_ptr is deprecated. [ Note: The class template unique_ptr (20.7.1) provides a better solution. —end note ]
No ownership:
Use dumb pointers (raw pointers) or references for non-owning references to resources and when you know that the resource will outlive the referencing object /...
Need for predictable random generator
...loper and I got a problem with random numbers. Let's say that a player has 20% chance to get a critical hit with his sword. That means, 1 out of 5 hits should be critical. The problem is I got very bad real life results — sometimes players get 3 crits in 5 hits, sometimes none in 15 hits. Battles ...
iTerm 2: How to set keyboard shortcuts to jump to beginning/end of line?
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Add in iTerm2 the following Profile Shortcut Keys
FOR ACTION SEND
⌘← "SEND HEX CODE" 0x01
⌘→ "SEND HEX CODE" 0x05
⌥← "SEND ESC SEQ" b
⌥→ "SEND ESC SEQ" f
Here is a visual for those who need it...
How to install the current version of Go in Ubuntu Precise
...ges. So basically do:
sudo apt-get install python-software-properties # 12.04
sudo add-apt-repository ppa:duh/golang
sudo apt-get update
sudo apt-get install golang
To confirm:
go version
which outputs in my case (Ubuntu precise)
go version go1.1.1 linux/amd64
From there just export the se...
How can I count the occurrences of a list item?
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25 Answers
25
Active
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Gem::LoadError for mysql2 gem, but it's already in Gemfile
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247
If you have this error when upgrading to rails 4.2.4 (also with rails 4.1.5) try using this ve...
How to extract a floating number from a string [duplicate]
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209
If your float is always expressed in decimal notation something like
>>> import re
&...