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Java: Instanceof and Generics
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YishaiYishai
83.1k2626 gold badges173173 silver badges248248 bronze badges
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In an array of objects, fastest way to find the index of an object whose attributes match a search
... 2 (using findIndex) actually is faster for me (on Microsoft Edge Chromium 83.0.474.0)
– rezadru
Apr 13 at 17:34
Block...
The best way to remove duplicate values from NSMutableArray in Objective-C?
...an NSSet to begin with?
I wrote the answer below in 2009; in 2011, Apple added NSOrderedSet to iOS 5 and Mac OS X 10.7. What had been an algorithm is now two lines of code:
NSOrderedSet *orderedSet = [NSOrderedSet orderedSetWithArray:yourArray];
NSArray *arrayWithoutDuplicates = [orderedSet array]...
How do I create a unique constraint that also allows nulls?
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SQL Server 2008 +
You can create a unique index that accept multiple NULLs with a WHERE clause. See the answer below.
Prior to SQL Server 2008
You cannot create a UNIQUE constraint and allow NULLs. You need set a default value of NEWID().
Update the existing values to NEWID(...
“The remote certificate is invalid according to the validation procedure.” using Gmail SMTP server
... // Disabling certificate validation can expose you to a man-in-the-middle attack
// which may allow your encrypted message to be read by an attacker
// https://stackoverflow.com/a/14907718/740639
ServicePointManager.ServerCertificateValidationCallback =
dele...
Should I compile with /MD or /MT?
...l),
your executable can be smaller (since it doesn't have the library embedded in it), and
I believe that at very least the code segment of a DLL is shared amongst all processes that are actively using it (reducing the total amount of RAM consumed).
I've also found that in practice, when working...
Shell - Write variable contents to a file
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EricEric
83.8k4343 gold badges195195 silver badges315315 bronze badges
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How do I execute a program from Python? os.system fails due to spaces in path
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83
It is much simpler to use raw string in windows: r"C:\Temp\a b c\Notepad.exe"
– PierreBdR
Oct 15 '08...
'innerText' works in IE, but not in Firefox
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83
If you only need to set text content and not retrieve, here's a trivial DOM version you can use...
How to track untracked content?
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This saved my ass so much the other day. I had accidentally added something with a .git directory in it to my git repo, and then git kinda-sorta thought it had a submodule, which was causing my git svn dcommits to freak out. I would upvote you 3 times if I could.
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