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What is a Portable Class Library?
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It's used for creating a Class Library that targets multiple platforms (esp Silverlight variants such as WP7 and SL4, but including XNA on Xbox) at one time.
See also this InfoQ summary article
See also this release notice.
For down and dirty details, see Multi-Targeting Guidelines for Tools f...
Assigning code to a variable
... C#) and we have learned the hard way that you have to be careful with it, esp. in respect with performance.
– Abel
Apr 30 '14 at 11:01
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sh...
Django: “projects” vs “apps”
...command actually stops you, I assume, as a convention. I like conventions, especially in the context of a team effort, but I prefer to understand the logic behind them :)
– Dolph
Feb 2 '11 at 22:02
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Should I use SVN or Git? [closed]
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@Oli Would be good to update your answer (esp about Windows git client) based on the comments here and your experience. The current answer seems biased now that 2-3 years have passed since it was written.
– amit
May 16 '11 at 3:...
Why switch is faster than if
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@Eric it is slower for a small number of values esp String or int which are sparse.
– Peter Lawrey
Jan 3 '18 at 3:29
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Which is faster: Stack allocation or Heap allocation
...single instruction on most architectures, in most cases, e.g. on x86:
sub esp, 0x10
(That moves the stack pointer down by 0x10 bytes and thereby "allocates" those bytes for use by a variable.)
Of course, the stack's size is very, very finite, as you will quickly find out if you overuse stack all...
How can I view the source code for a function?
...s are asterisked" means the function is not exported from its package's namespace. You can still view its source code via the ::: function (i.e. stats:::t.ts), or by using getAnywhere(). getAnywhere() is useful because you don't have to know which package the function came from.
> getAnywhere(...
Comparison of Android networking libraries: OkHTTP, Retrofit, and Volley [closed]
...er, and the note on the undocumented steez of Volley (got that impression, esp in comparison to the other projects). Definitely helps me get things off the ground.
– Alfie Hanssen
Jun 3 '13 at 21:46
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What is the fastest integer division supporting division by zero no matter what the result is?
...ype f, @function
f:
pushl %ebp
xorl %eax, %eax
movl %esp, %ebp
movl 12(%ebp), %edx
testl %edx, %edx
sete %al
addl %edx, %eax
movl 8(%ebp), %edx
movl %eax, %ecx
popl %ebp
movl %edx, %eax
sarl $31, %edx
idivl %ec...
Performance of foreach, array_map with lambda and array_map with static function
...eed. It would be interesting to see the opcodes generated by this version, especially comparing with/without opcache since it does a lot of optimizations besides code caching.
– FGM
Jan 14 '17 at 16:04
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