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Sqlite LIMIT / OFFSET query
...nt>
Is equivalent to:
LIMIT <count> OFFSET <skip>
It's compatible with the syntax from MySQL and PostgreSQL. MySQL supports both syntax forms, and its docs claim that the second syntax with OFFSET was meant to provide compatibility with PostgreSQL. PostgreSQL docs show it only ...
How to step through Python code to help debug issues?
...db by using pdb myscript.py or python -m pdb myscript.py.
There are a few commands you can then issue, which are documented on the pdb page.
Some useful ones to remember are:
b: set a breakpoint
c: continue debugging until you hit a breakpoint
s: step through the code
n: to go to next line of co...
overlay two images in android to set an imageview
...
You can skip the complex Canvas manipulation and do this entirely with Drawables, using LayerDrawable. You have one of two choices: You can either define it in XML then simply set the image, or you can configure a LayerDrawable dynamically i...
How to concatenate strings with padding in sqlite
...t you can follow along (basically what I proposed) here: http://verysimple.com/2010/01/12/sqlite-lpad-rpad-function/
-- the statement below is almost the same as
-- select lpad(mycolumn,'0',10) from mytable
select substr('0000000000' || mycolumn, -10, 10) from mytable
-- the statement below is al...
Can't install Ruby under Lion with RVM – GCC issues
...ot need GCC. If you’re installing an older version of Ruby, read on.
To compile Ruby with GCC, you need a non-LLVM version of GCC, which is no longer included with XCode 4.2. Install it yourself (or downgrade to XCode 4.1 temporarily), then do CC=/usr/local/bin/gcc-4.2 rvm install 1.9.3 --enable-...
Argparse: Way to include default values in '--help'?
...t the default value to.
The exact output for your scan-time option then becomes:
--scan-time [SCAN_TIME]
Wait SCAN-TIME seconds between status checks.
(default: 5)
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How do I make an html link look like a button?
...e lot of trouble, and could break the next time a new version of a browser comes out.
– Jay
Dec 15 '13 at 3:23
This on...
How can I set the text of a WPF Hyperlink via data binding?
...ve got to explicitly use a TextBlock.
<TextBlock>
<Hyperlink Command="local:MyCommands.ViewDetails" CommandParameter="{Binding}">
<TextBlock Text="{Binding Path=Name}"/>
</Hyperlink>
</TextBlock>
Update: Note that as of .NET 4.0 the Run.Text propert...
“Origin null is not allowed by Access-Control-Allow-Origin” error for request made by application ru
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How to count items in JSON object using command line?
I'm getting this kind of JSON reply from a curl command:
4 Answers
4
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