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Count(*) vs Count(1) - SQL Server
...ution-time work. The Compilation time work is a trivially small amount of extra work in the current implementation. There is an expansion of the * to all columns in some cases followed by a reduction back to 1 column being output due to how some of the internal operations work in binding and optim...
Visual Studio (2008) 'Clean Solution' Option
...ompile without clean and overrides everything, but does not get rid of the extras.
Did not look into what rebuild does code wise, just a general observation in case someone else has the same issue.
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Is there a way to iterate over a range of integers?
...ugh it is fully inlined in the setup phase. In the loop phase there is an extra instruction in the loop, but it isn't too bad.
I'd use the simple for loop.
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Invalidating JSON Web Tokens
...exists / is authorized to access the api endpoint. So you aren't doing any extra db queries by comparing the jwt token version number with the one on the user.
– DaftMonk
Jul 7 '14 at 5:58
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What's the 'Ruby way' to iterate over two arrays at once
... more symmetrical. Probably not as fast, though, since you're creating the extra [a,b] array.
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How to get svn remote repository URL?
...output only the remote url. To get rid of the newline at the end, add this extra option:
svn info --show-item=url --no-newline
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CSS triangle custom border color
...areful about copypasta out of JSFiddle, it added two invisible and invalid characters into my CSS file that caused validation/parse errors in that css file. Once I removed the invisible characters (the chars were zero width, so cursor wasn't showing them, but I was able to backspace) it worked wonde...
When to use lambda, when to use Proc.new?
...om :0
irb(main):006:0> p.call "hello"
TypeError: can't convert nil into String
from (irb):2:in `+'
from (irb):2
from (irb):6:in `call'
from (irb):6
from :0
The page also recommends using lambda unless you specifically want the error tolerant behavior. I agree with this senti...
How to check whether a script is running under Node.js?
...bpack, process and process.version exists within the bundle, so I added an extra check for process.version where process.release.node is undefined on client side but has a node version as a value on server side
– Aaron
Feb 19 '17 at 1:49
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How to use clock() in C++
...0;
int min = 0;
int hr = 0;
//cout << "Press any key to start:";
//char start = _gtech();
for (;;)
{
newline();
if(msec == 1000)
{
++sec;
msec = 0;
}
if(sec == 60)
...