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Why cast unused return values to void?
...s the motivation for this, to explicitly show other "developers" that you know this function returns but you're explicitly ignoring it.
This is a way to ensure that where necessary error codes are always handled.
I think for C++ this is probably the only place that I prefer to use C-style casts to...
startsWith() and endsWith() functions in PHP
... xxxyyy needle = yyy and using strrpos the search starts from the first x. Now we do not have a successful match here (found x instead of y) and we cannot go backward anymore (we're at start of string) the search fails immediately. About using !== false -- strrpos in the above example will return 0 ...
Remove Object from Array using JavaScript
...looping so if you remove an element $.each() will run past the end of the (now shorter) array. (So then someArray[i] will be undefined and undefined.name will crash.)
– nnnnnn
Jul 2 '13 at 11:09
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builder for HashMap
...ctor, for every constructor in the class. The lifecycle is not very well-known and so I avoid this idiom.
– Joe Coder
May 10 '12 at 0:23
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Visual Studio 2013 doesn't discover unit tests
... Eventually I figured out it was #2 in my list, so I wanted to leave that knowledge, plus the other tricks I've picked up over time.
– AndyG
Mar 18 '15 at 18:50
7
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How can I split a text into sentences?
... re.sub(digits + "[.]" + digits,"\\1<prd>\\2",text) in the function. Now it does not split the line at decimals such as 5.5. Thank you for this answer.
– Ameya Kulkarni
Jul 17 '16 at 11:12
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Why is 128==128 false but 127==127 is true when comparing Integer wrappers in Java?
...tersson sure. “compiler” means the JIT compiler, which does precisely know the actual implementation class and may only optimize, if the constructor has no side effects. Or optimize the expression to only reproduce the side effects, followed by using false. Actually, this may already happen toda...
ASP.NET MVC: Custom Validation by DataAnnotation
I have a Model with 4 properties which are of type string. I know you can validate the length of a single property by using the StringLength annotation. However I want to validate the length of the 4 properties combined.
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How to tag an older commit in Git?
...hen.
A tag at the beginning would allow us to "roll back" production to a known, stable state.
8 Answers
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How to ALTER multiple columns at once in SQL Server
...g tables is a pretty intensive operation. It's disabled by default in SSMS now, and probably for good reason.
– jocull
Nov 10 '17 at 19:29
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