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How do I modify a MySQL column to allow NULL?
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You want the following:
ALTER TABLE mytable MODIFY mycolumn VARCHAR(255);
Columns are nullable by default. As long as the column is not declared UNIQUE or NOT NULL, there shouldn't be any problems.
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Convert an image (selected by path) to base64 string
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@facepalm42 RawFormat isn't an image format specifier; it's a property of the image object, which returns which format the image was in when it was read from file, meaning in this case, it'd return the gif format. So it changes nothing, except that instead of the actual or...
Select values from XML field in SQL Server 2008
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You must use .nodes() and cross apply if xmlField contains more than one <person> elements.
– Remus Rusanu
May 22 '09 at 18:45
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Differences between utf8 and latin1
what is the difference between utf8 and latin1?
2 Answers
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Python: Using .format() on a Unicode-escaped string
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@Kit: If you want all literals to be Unicode (like in Python 3), put from __future__ import unicode_literals at the beginning of your source files.
– Philipp
Jul 13 '10 at 8:47
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How to force a view refresh without having it trigger automatically from an observable?
...an individual observable you can call myObservable.valueHasMutated() to notify subscribers that they should re-evaluate. This is generally not necessary in KO, as you mentioned.
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Rearranging Tab Bar Controller Order in StoryBoard
...n my app iPhone app I have a Tab Bar Controller with 4 relationships to 4 different Table View Controllers. Is there a way to rearrange the order of the relationship in the StoryBoard graphically? I can't find a way to do this and I'm sure I must be missing something!
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Socket.io rooms difference between broadcast.to and sockets.in
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in what way a channel is different than a room?
– vsync
Jun 11 '13 at 12:22
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how to debug the js in jsfiddle
... I have a 3rd folder under fiddle.jshell.net which has (index) as well. If I open that, there's an html file with the js embedded in it. (on line 48 when I wrote this)
– John MacIntyre
Mar 11 '16 at 11:01
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In Maven 2, how do I know from which dependency comes a transitive dependency?
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If you use eclipse and the m2eclipse plugin then there is a graphical version of dependency tree where you can filter by scope etc.
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