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INNER JOIN vs LEFT JOIN performance in SQL Server
...g language to perform a large number of lookups on a list with 5 elements, vs. a hash table with 5 elements. Because of the size, the hash table version is actually slower. But increase it to 50 elements, or 5000 elements, and the list version slows to a crawl, because it's O(N) vs. O(1) for the h...
How do I subtract minutes from a date in javascript?
...ear();
var displayDate = monthNames[monthIndex] + ' ' + day + ', ' + year;
alert('Date is now: ' + displayDate);
Sources:
http://www.javascriptcookbook.com/article/Perform-date-manipulations-based-on-adding-or-subtracting-time/
https://stackoverflow.com/a/12798270/1873386
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Check if a number has a decimal place/is a whole number
...re it to zero like so:
function Test()
{
var startVal = 123.456
alert( (startVal - Math.floor(startVal)) != 0 )
}
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Parallel.ForEach vs Task.Factory.StartNew
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Disable, but not uninstall Resharper 4.x onwards
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+1 The original answer was no good for VS 2010. About time yours was promoted :)
– Gone Coding
Jul 19 '11 at 13:15
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Can I write into the console in a unit test? If yes, why doesn't the console window open?
...said everything I needed to think about: "When you run a unit test through VS2010, standard output is redirected by the test harness and stored as part of the test output."
– Robert Patterson
Nov 20 '12 at 19:15
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What exactly does @synthesize do?
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jameshfisher's comment was meant to alert you that you have confused synchronize and synthesize in your answer. You use the two interchangeably.
– Maple
May 10 '16 at 17:32
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ETag vs Header Expires
I've looked around but haven't been able to figure out if I should use both an ETag and an Expires Header or one or the other.
...
What data type to use for hashed password field and what length?
... you're implementing a site - the salt needs to be known to the login page/script/sevice that's testing the password. So - you "unknown" salt advocates - are you assuming that the code for the login process is unknown to the attacker? Otherwise - won't the attacker always know the salt, whether it's...
SQLAlchemy: Creating vs. Reusing a Session
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