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Android, canvas: How do I clear (delete contents of) a canvas (= bitmaps), living in a surfaceView?
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18 Answers
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Can I redirect the stdout in python into some sort of string buffer?
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211
from cStringIO import StringIO # Python3 use: from io import StringIO
import sys
old_stdout = ...
Does a `+` in a URL scheme/host/path represent a space?
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170
Percent encoding in the path section of a URL is expected to be decoded, but
any + character...
Which version of CodeIgniter am I currently using?
.../CodeIgniter.php
For example,
echo CI_VERSION; // echoes something like 1.7.1
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How can I avoid running ActiveRecord callbacks?
....new(:name => 'foo')
p.send(:create_without_callbacks)
p = Person.find(1)
p.send(:update_without_callbacks)
This is definitely something that you'll only really want to use in the console or while doing some random tests. Hope this helps!
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Oracle: how to UPSERT (update or insert into a table?)
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12 Answers
12
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How does the C code that prints from 1 to 1000 without loops or conditional statements work?
I've found C code that prints from 1 to 1000 without loops or conditionals :
But I don't understand how it works. Can anyone go through the code and explain each line?
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How can you run a command in bash over until success
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417
until passwd
do
echo "Try again"
done
or
while ! passwd
do
echo "Try again"
done
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What is the difference between procedural programming and functional programming? [closed]
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17 Answers
17
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Using an if statement to check if a div is empty
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10 Answers
10
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