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Best way to detect that HTML5 is not supported
The standard way to deal with situations where the browser does not support the HTML5 <canvas> tag is to embed some fallback content like:
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When to use PNG or JPG in iPhone development?
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PNG's are pixel perfect (non-lossy), and require very little extra CPU energy to display. However, large PNGs may take longer to read from storage than more compressed image formats, and thus be slower to display.
JPG's are smaller to store, but lossy (amount ...
Why historically do people use 255 not 256 for database field magnitudes?
...ric reason why? I assume it's something to do with paging / memory limits, and performance but the distinction between 255 and 256 has always confused me.
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How to stop creating .DS_Store on Mac? [closed]
I'm developing sites on mac and every time I create some folder (or file in that folder) .DS_Store is created in that folder.
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Lambda Expression and generic method
...ible [..] with a target type T if T is a functional interface type (§9.8) and the expression is congruent with the function type of [..] T. [..] A lambda expression is congruent with a function type if all of the following are
true:
The function type has no type parameters.
[..]
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What's the point of malloc(0)?
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The C standard (C17 7.22.3/1) says:
If the size of the space requested is zero, the behavior is implementation defined:
either a null pointer is returned, or the behavior is as if the size were some
nonzero value, except that...
CSS content property: is it possible to insert HTML instead of Text?
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got it thanks, so I think I will have to pass this idea and go straight to js, cheers
– zanona
Dec 22 '10 at 0:25
6
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UITableView : viewForHeaderInSection: not called during reloadData:
I've set up the tableview with correct delegate and datasource linkages.. the reloadData method calls the datasource and the delegate methods except for viewForHeaderInSection: .
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CentOS 64 bit bad ELF interpreter
...it version, I'm trying to install a 32-bit application on a 64-bit machine and got this error:
8 Answers
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How to measure time taken between lines of code in python?
...f you want to measure CPU time, can use time.process_time() for Python 3.3 and above:
import time
start = time.process_time()
# your code here
print(time.process_time() - start)
First call turns the timer on, and second call tells you how many seconds have elapsed.
There is also a function t...