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Print number of keys in Redis
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DBSIZE returns the number of keys and it's easier to parse.
Downside: if a key has expired it may still count.
http://redis.io/commands/dbsize
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What is the difference between a generative and a discriminative algorithm?
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Thanks for the paper. The author is now professor at Stanford and has wonderful resources at stanford.edu/class/cs229/materials.html
– unj2
May 18 '09 at 23:08
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How to get memory available or used in C#
... Math.Round(proc.PrivateMemorySize64 / (1024*1024), 2);
proc.Dispose();
Now you could use the memory variable which is converted to Megabyte.
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How do I set bold and italic on UILabel of iPhone/iPad?
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sectionLabel.font = [UIFont fontWithName:@"TrebuchetMS-Bold" size:18];
There is a list of font names that you can set in place of 'fontWithName' attribute.The link is here
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How to flip UIImage horizontally?
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Works great! iOS 9+ now also includes flipsForRightToLeftLayoutDirection, but it won't work for iOS 8+ apps yet.
– user246672
Jun 27 '16 at 23:40
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What is the printf format specifier for bool?
... _Bool or bool via stdbool.h . But is there also a printf format specifier for bool?
8 Answers
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Could not find an implementation of the query pattern
... Thank, I was indeed missing my equality, which was stupid of me. But I now I am getting the following error: Error 1 Could not find an implementation of the query pattern for source type 'SilverlightApplication1.Web.tblPersoon'. 'Where' not found.
– Schoof
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In C, do braces act as a stack frame?
If I create a variable within a new set of curly braces, is that variable popped off the stack on the closing brace, or does it hang out until the end of the function? For example:
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MAMP Pro 3.05 on Mavericks updated to Yosemite - Apache does not start
...e the file “envvars” located in /Applications/MAMP/Library/bin into “_envvars”
Test Update: It works!
Works for Yosemite release too!
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How can I check if a background image is loaded?
...on't think there's such a thing as browser memory where assets are stored. If you're referring to cache, remember that you're adding an extra HTTP request and all clients might not have cache enabled.
– HyderA
Feb 20 '11 at 17:09
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