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No module named _sqlite3
...bly want to have it installed alongside the existing python, which can be done with sudo make altinstall.
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Grep only the first match and stop
...hoping to only return the first match. Unfortunately, it returns more than one -- in-fact two the last time I looked. It seems like I have too many arguments, especially without getting the desired outcome. :-/
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Find the last element of an array while using a foreach loop in PHP
...my's answer is well fit but I think it got little complex compared to this one. I have not ran any tests but I guess this answer shall be faster as it is not extracting array of keys.This shall have O(1) speed
– Vaibhav Kamble
Mar 20 '09 at 7:09
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How to bind 'touchstart' and 'click' events but not respond to both?
...working on a mobile web site that has to work on a variety of devices. The one's giving me a headache at the moment are BlackBerry.
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Understanding Canvas and Surface concepts
...final display in their correct Z-order. A surface typically has more than one buffer (usually two) to do double-buffered rendering: the application can be drawing its next UI state while the surface flinger is compositing the screen using the last buffer, without needing to wait for the application...
What is a magic number, and why is it bad? [closed]
... the max size changes, I have to change in two code locations. If I forget one, this will lead to inconsistencies.
The JDK is full of examples like in Integer, Character and Math classes.
PS: Static analysis tools like FindBugs and PMD detects the use of magic numbers in your code and suggests the...
Append values to query string
I have set of URL's similar to the ones below in a list
8 Answers
8
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Git fatal: Reference has invalid format: 'refs/heads/master
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make a backup of your repo if you aren't sure about this one, because these commands are irreversible.
first, go to your repo directory.
cd myrepo
then recursively search for the conflicted files and delete them
find . -type f -name "* conflicted copy*" -exec rm -f {} \;
la...
Repeat each row of data.frame the number of times specified in a column
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Here's one solution:
df.expanded <- df[rep(row.names(df), df$freq), 1:2]
Result:
var1 var2
1 a d
2 b e
2.1 b e
3 c f
3.1 c f
3.2 c f
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Why does Eclipse Java Package Explorer show question mark on some classes?
...t of the 'J', something like [J?]. This icon is shown on each class within one package in my project, but I cannot find an explanation for this in the documentation.
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