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What's the difference between IQueryable and IEnumerable
... code), which an IQueryProvider must explore/interpret/compile/whatever in order to generate results.
Having a query expression gives two advantages.
The first advantage is optimization. Because modifiers like 'Where' are included in the query expression, the IQueryProvider can apply otherwise imp...
Is it possible to use Swift's Enum in Obj-C?
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@PaulT. : probably has to do with the order of processing. Try putting it elsewhere, and you’ll see it won’t work.
– leanne
Feb 14 at 14:31
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Fast way of counting non-zero bits in positive integer
...thm of the argument (i.e. linearly with the bit-size of the argument).
In order to understand how this works imagine that you divide the entire 64-bit string into 64 1-bit buckets. Each bucket's value is equal to the number of bits set in the bucket (0 if no bits are set and 1 if one bit is set). T...
What is the difference between Pan and Swipe in iOS?
... Swipe vs. Pan is covered well in the Event PG under "Declaring a specific order for two gesture recognizers".
– nevan king
Oct 8 '13 at 12:06
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scp (secure copy) to ec2 instance without password
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I figured it out. I had the arguments in the wrong order. This works:
scp -i mykey.pem somefile.txt root@my.ec2.id.amazonaws.com:/
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Pass variables to Ruby script via command line
...PROGRAM_NAME variable.
The obvious disadvantage is that you depend on the order of values.
If you need only Boolean switches use the option -s of the Ruby interpreter:
> ruby -s -e 'puts "So do I!" if $agreed' -- -agreed
> So do I!
Please note the -- switch, otherwise Ruby will complain a...
Should I put #! (shebang) in Python scripts, and what form should it take?
... that will work, period. You don't need to worry about any of the guts in order to use it.
– SDsolar
Oct 17 '17 at 10:15
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How to use timeit module
...sort really shine because it performs best when the data already partially ordered).
Here is an example of how to set up a test for sorting:
>>> import timeit
>>> setup = '''
import random
random.seed('slartibartfast')
s = [random.random() for i in range(1000)]
timsort = list.s...
What is the difference between _tmain() and main() in C++?
... followed by the ASCII value.
And since the x86 CPU is little-endian, the order of these bytes are swapped, so that the ASCII value comes first, then followed by a null byte.
And in a char string, how is the string usually terminated? Yep, by a null byte. So your program sees a bunch of strings, e...
How to make a div with no content have a width?
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a div usually needs at least a non-breaking space ( ) in order to have a width.
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