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How to install lxml on Ubuntu
...Ubuntu, don't bother with those source packages. Just install those development packages using apt-get.
apt-get install libxml2-dev libxslt1-dev python-dev
If you're happy with a possibly older version of lxml altogether though, you could try
apt-get install python-lxml
and be done with it. :)...
How to Concatenate Numbers and Strings to Format Numbers in T-SQL?
...eadable
Now onto the problem...
You need to explicitly convert your parameters to VARCHAR before trying to concatenate them. When SQL Server sees @my_int + 'X' it thinks you're trying to add the number "X" to @my_int and it can't do that. Instead try:
SET @ActualWeightDIMS =
CAST(@Actual_Di...
Subscript and Superscript a String in Android
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This doesn't work for me...but maybe its cause I set it inside my strings.xml file. It subscripts it for me but it clips it and no matter how much padding I put its always clipped.
– JPM
Jun 1 '12 at 17:22
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HTML5 dragleave fired when hovering a child element
The problem I'm having is that the dragleave event of an element is fired when hovering a child element of that element. Also, dragenter is not fired when hovering back the parent element again.
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Sort Go map values by keys
...op, the iteration order is
not specified and is not guaranteed to be the same from one iteration
to the next. Since Go 1 the runtime randomizes map iteration order, as
programmers relied on the stable iteration order of the previous
implementation. If you require a stable iteration order you must
ma...
How to force garbage collector to run?
Interviewer asked me about this today ...is there an answer ?
7 Answers
7
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Difference between two dates in MySQL
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SELECT TIMEDIFF('2007-12-31 10:02:00','2007-12-30 12:01:01');
-- result: 22:00:59, the difference in HH:MM:SS format
SELECT TIMESTAMPDIFF(SECOND,'2007-12-30 12:01:01','2007-12-31 10:02:00');
-- result: 79259 the difference in seco...
Remove the legend on a matplotlib figure
...
As of matplotlib v1.4.0rc4, a remove method has been added to the legend object.
Usage:
ax.get_legend().remove()
or
legend = ax.legend(...)
...
legend.remove()
See here for the commit where this was introduced.
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How do I record audio on iPhone with AVAudioRecorder?
...v Center and only reference to the classes. I am a newbie at iPhone development, so I am looking for a simple sample to get me started.
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Passing two command parameters using a WPF binding
...rate properties bound from the view. That saves you having to pass any parameters at all to your commands.
However, you could also multi-bind and use a converter to create the parameters:
<Button Content="Zoom" Command="{Binding MyViewModel.ZoomCommand">
<Button.CommandParameter>
...