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Limiting the number of records from mysqldump?
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answered Sep 25 '08 at 20:39
Adam BellaireAdam Bellai...
What does “@@ -1 +1 @@” mean in Git's diff output?
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It's a unified diff hunk identifier. This is documented by GNU Diffutils.
The unified output format starts with a two-line header, which looks like this:
--- from-file from-file-modification-time
+++ to-file to-file-modification-time
The time stamp loo...
Mercurial move changes to a new branch
... to my local repository, but have not yet been pushed. Since on a feature is taking longer than expected, I want to swap these changes onto a named branch before I push. How can I do this?
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Convert nullable bool? to bool
... what the null bool will represent. If null should be false, you can do this:
bool newBool = x.HasValue ? x.Value : false;
Or:
bool newBool = x.HasValue && x.Value;
Or:
bool newBool = x ?? false;
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How can i take an UIImage and give it a black border?
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With OS > 3.0 you can do this:
//you need this import
#import <QuartzCore/QuartzCore.h>
[imageView.layer setBorderColor: [[UIColor blackColor] CGColor]];
[imageView.layer setBorderWidth: 2.0];
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Handler is abstract ,cannot be instantiated
I am trying to use a Handler in my app. But when i instantiate it like this:
6 Answers
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Why do you need to create a cursor when querying a sqlite database?
...w to Python's sqlite3 module (and SQL in general for that matter), and this just completely stumps me. The abundant lack of descriptions of cursor objects (rather, their necessity) also seems odd.
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What's the function like sum() but for multiplication? product()?
... Python doesn't have that function. So, you need to write your own (which is easy).
Pronouncement on prod()
Yes, that's right. Guido rejected the idea for a built-in prod() function because he thought it was rarely needed.
Alternative with reduce()
As you suggested, it is not hard to make your own...
Saving image from PHP URL
...mage.php , holding a single "flower" image, nothing else. How can I save this image from the URL with a new name (using PHP)?
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Redirecting stdout to “nothing” in python
I have a large project consisting of sufficiently large number of modules, each printing something to the standard output. Now as the project has grown in size, there are large no. of print statements printing a lot on the std out which has made the program considerably slower.
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