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Why is MATLAB so fast in matrix multiplication?
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Why does what matter? I was trying to give some insight into the libraries used by MATLAB in various situations to explain why MATLAB's performance is good - i.e. because it uses highly-optimized numerical libraries.
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UITableView set to static cells. Is it possible to hide some of the cells programmatically?
...litches left). The table is displayed correctly after the animation.
So what I am doing is:
- (void)changeState
{
// Change state so cells are hidden/unhidden
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// Reload all sections
NSIndexSet* reloadSet = [NSIndexSet indexSetWithIndexesInRange:NSMakeRange(0, [self numberO...
Application Skeleton to support multiple screens
...or ppi)`
To determine screen size & density quickly, please install "What's my Size" app for Android.
Screen size
Android defines four generalised screen sizes:
Qualifier Size
small ~3 inches (approx)
normal ~4 inches (approx)
large ...
Convert JS Object to form data
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Of course it will, you don't know what the server is expecting... for...in in JS is problamtic, the solution doesn't have to be Object.keys(), it could be hasOwnProperty(), but it needs to be at least a warning.
– Lior
M...
Generator Expressions vs. List Comprehension
...s will be probably a little off-topic, but unfortunately "un-googlable"... What would "paramount" mean in this context? I'm not a native english speaker... :)
– Guillermo Ares
Feb 16 '16 at 21:26
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jQuery: Adding two attributes via the .attr(); method
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Aha! Ok, this is what I was referring to. Thanks for the explanation, that's why I chose your answer over Derek's. Thanks Adam. PS. I'll accept your answer in 7 minutes, it's not letting me accept it right now.
– Ricardo...
Why is “if not someobj:” better than “if someobj == None:” in Python?
...r one the first example is shorter and looks nicer. As per the other posts what you choose also depends on what you really want to do with the comparison.
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How to show SQL queries run in the Rails console?
... the actual database queries being run so I can gain more understanding of what is happening?
6 Answers
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WPF: How to display an image at its original size?
...on. Generally setting Stretch="None" is enough.
It is also very important what DPI has the image set in metadata. It took me quite a while before figuring out that if the image's DPI is different from the monitor's DPI (usually 96), WPF will automatically resize the image, as it tries to be DPI-ind...
Xcode - How to fix 'NSUnknownKeyException', reason: … this class is not key value coding-compliant f
...t even using Interface Builder, and I'm still getting this error. Any idea what's going on?
– sudo
Mar 9 '14 at 7:18
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