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How to tell which version of a gem a rails app is using
...ou do not specify the version, the latest version of that gem will be used by the application.
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Output first 100 characters in a string
...indices are handled
gracefully: an index that is too large
is replaced by the string size, an
upper bound smaller than the lower
bound returns an empty string.
So it is safe to use x[:100].
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How to check the extension of a filename in a bash script?
...easier to add additional extensions and could be easily made configurable (by putting "csv|png" in a variable).
– jox
May 29 '16 at 10:10
4
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Node.js getaddrinfo ENOTFOUND
...80,
path: '/wiki/EteRNA_Dictionary'
}
Update
As stated in the comment by @EnchanterIO, the port field is also a separate option; and the protocol http:// shouldn't be included in the host field. Other answers also recommends the use of https module if SSL is required.
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Java Error opening registry key
...ling JDK7 was impossible. The solution was to add the JRE registry entries by hand.
[HKEY_LOCAL_MACHINE\SOFTWARE\JavaSoft\Java Runtime Environment]
"CurrentVersion"="1.7"
[HKEY_LOCAL_MACHINE\SOFTWARE\JavaSoft\Java Runtime Environment\1.7]
"JavaHome"="C:\\Program Files\\Java\\jre7"
"RuntimeLib"="C:...
Example images for code and mark-up Q&As [closed]
...e images is not entirely clear to me (all images in my answer were created by me).
– Andrew Thompson
Mar 6 '14 at 14:53
1
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HttpWebRequest using Basic authentication
...m.Convert.ToBase64String(System.Text.Encoding.GetEncoding("ISO-8859-1").GetBytes(username + ":" + password));
httpWebRequest.Headers.Add("Authorization", "Basic " + encoded);
Edit
Switched the encoding from UTF-8 to ISO 8859-1 per What encoding should I use for HTTP Basic Authentication? and Jero...
Lightweight Java Object cache API [closed]
...FooDAO fooDAO = DAOFactory.getFooDAO(conn);
foo = fooDAO.getFooByKey(key);
cache.put(key, foo);
} catch (SQLException sqle) {
logger.error("[getFoo] SQL Exception when accessing Foo", sqle);
}
}
rest left as exercise for reader :)
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Scala Programming for Android
...ng a Java programmer I was suggested to use a "treeshake", I was explained by a friend that this strips out all the unnecessary libraries from the jar files.
I have not documented it, but I found that someone else already has:
http://chneukirchen.org/blog/archive/2009/04/programming-for-android-wi...
How do I convert uint to int in C#?
...oInt32(n); //same behavior as checked
--EDIT
Included info as mentioned by Kenan E. K.
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