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Unique constraint that allows empty values in MySQL
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183
Yes, you can do this. See the MySQL reference (version 5.5).
A UNIQUE index creates a cons...
How do I vertically align something inside a span tag?
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answered Apr 9 '09 at 2:10
Sindre SorhusSindre Sorhus
62.6k3030 gold badges151151 silver badges207207 bronze badges
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How do I make a column unique and index it in a Ruby on Rails migration?
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edited Jun 8 at 21:00
answered Sep 19 '09 at 20:39
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How do I fix certificate errors when running wget on an HTTPS URL in Cygwin?
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132
Looking at current hacky solutions in here, I feel I have to describe a proper solution after ...
CursorLoader usage without ContentProvider
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155
I wrote a simple CursorLoader that does not need a content provider:
import android.content.C...
Transfer-Encoding: gzip vs. Content-Encoding: gzip
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Quoting Roy T. Fielding, one of the authors of RFC 2616:
changing content-encoding on the fly in an inconsistent manner
(neither "never" nor "always) makes it impossible for later requests
regarding that content (e.g., PUT or conditional GET) to be handled
correctly. ...
How do you create optional arguments in php?
...s (=) sign in your definition of the parameters:
function dosomething($var1, $var2, $var3 = 'somevalue'){
// Rest of function here...
}
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Create a menu Bar in WPF?
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edited Feb 23 '14 at 8:27
Jonathon Reinhart
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git switch branch without discarding local changes
...that beat me to clicking post said). Run git stash save or git stash push,1 or just plain git stash which is short for save / push:
$ git stash
This commits your code (yes, it really does make some commits) using
a weird non-branch-y method. The commits it makes are not "on" any
branch but are ...