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How to extract numbers from a string and get an array of ints?
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answered Mar 2 '10 at 22:39
Sean OwenSean Owen
62.6k1919 gold badges130130 silver badges163163 bronze badges
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Is there an easy way to check the .NET Framework version?
... to know if it's version 3.5 SP 1. Environment.Version() only returns 2.0.50727.3053 .
21 Answers
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Global access to Rake DSL methods is deprecated
...t refers to a @DHH tweet.
Put the following in your Gemfile
gem "rake", "0.8.7"
You may see something like
rake aborted!
You have already activated Rake 0.9.1 ...
I still had a copy of Rake 0.9.1 in my directory so I deleted it.
You can "delete" Rake 0.9.1 by running the following command: ...
Vagrant's port forwarding not working [closed]
...
80
I'll make this an actual answer instead of just more comments.
First thing: try curl 'http://lo...
How do I upgrade my ruby 1.9.2-p0 to the latest patch level using rvm?
My current version of ruby is ruby 1.9.2p0 (2010-08-18 revision 29036) [x86_64-darwin10.5.0] but I want to update it to the latest patch level using rvm. How can I do this?
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How to convert 1 to true or 0 to false upon model fetch
... or false into a boolean/tinyint field in the database, which uses 1 or 0 .
4 Answers
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MySQL IF NOT NULL, then display 1, else display 0
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Instead of COALESCE(a.addressid,0) AS addressexists, use CASE:
CASE WHEN a.addressid IS NOT NULL
THEN 1
ELSE 0
END AS addressexists
or the simpler:
(a.addressid IS NOT NULL) AS addressexists
This works because TRUE is displayed as 1 in ...
Can I set an opacity only to the background image of a div?
...ndex: 1;
}
.myDiv .bg {
position: absolute;
z-index: -1;
top: 0;
bottom: 0;
left: 0;
right: 0;
background: url(test.jpg) center center;
opacity: .4;
width: 100%;
height: 100%;
}
See test case on jsFiddle
:before and ::before pseudo-element
Another trick i...
How to remove leading and trailing zeros in a string? Python
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What about a basic
your_string.strip("0")
to remove both trailing and leading zeros ? If you're only interested in removing trailing zeros, use .rstrip instead (and .lstrip for only the leading ones).
[More info in the doc.]
You could use some list comprehens...
/data/user/0/xxxx/files（内部存储）和 /storage/emulated/0/Android/data...
来源：DeepSeek回答结果。
在 Android 中，/data/user/0/xxxx/files（内部存储）和 /storage/emulated/0/Android/data/xxxx/files（外部存储的私有目录）都是应用的私有存储空间，但它们在存储位置、访问方式、权限要求等方面有显著区别。以下...