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What is the difference between Ruby 1.8 and Ruby 1.9
...ements do not introduce scope in Ruby.
What's changed?
Single character strings.
Ruby 1.9
irb(main):001:0> ?c
=> "c"
Ruby 1.8.6
irb(main):001:0> ?c
=> 99
String index.
Ruby 1.9
irb(main):001:0> "cat"[1]
=> "a"
Ruby 1.8.6
irb(main):001:0> "cat"[1]
=> 97
{"...
Using link_to with embedded HTML
...
Maybe missing '.html_safe' after the string for the icon in the second example?
– H O
Aug 19 '12 at 21:43
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What are the differences between json and simplejson Python modules?
...ossible.
A good practice, in my opinion, is to use one or the other as a fallback.
try:
import simplejson as json
except ImportError:
import json
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Python function attributes - uses and abuses [closed]
...
I typically use function attributes as storage for annotations. Suppose I want to write, in the style of C# (indicating that a certain method should be part of the web service interface)
class Foo(WebService):
@webmethod
de...
IE7 does not understand display: inline-block
...display: inline;
zoom: 1;
}
This will validate and you don't need an extra CSS file
Old answer
.frame-header
{
background:url(images/tab-green.png) repeat-x left top;
height:25px;
display:-moz-inline-box; /* FF2 */
display:inline-block; /* will also trigger hasLayout f...
How to list only the file names that changed between two commits?
...ccepted answer is correct, but this is super useful and gives you a little extra info. Thanks!
– kontur
Jan 8 '18 at 10:33
2
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Can I install Python windows packages into virtualenvs?
Virtualenv is great: it lets me keep a number of distinct Python installations so that different projects' dependencies aren't all thrown together into a common pile.
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Mongoose, Select a specific field with find
... I think .select just is a filter to choose field after you get all of that, my recommendation is to use .find({}, 'name -_id')
– hong4rc
Mar 2 '19 at 16:15
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PHP Get name of current directory
... libs/common.php
That way when common.php is require'd in main.php, the call of require_once in common.php will correctly includes editor.php in images/editor.php instead of trying to look in current directory where main.php is run.
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How to resolve merge conflicts in Git?
...ean up
:wqa save and exit from vi
git commit -m "message"
git clean Remove extra files (e.g. *.orig) created by diff tool.
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