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Why are C# 3.0 object initializer constructor parentheses optional?
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Why then did you not also make empty parentheses optional in the default constructor call of an object creation expression that does not have an object initializer?
Take another look at that list of criteria above. One of them is that the change does not introduce any new ambiguity in the lex...
git still shows files as modified after adding to .gitignore
...explain what you meant by "Just adding .idea/ would work too". Is this an alternative solution to using .gitignore and then doing git rm -cached ?
– Mehrad
Apr 23 '15 at 1:43
3
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How to check if a query string value is present via JavaScript?
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Multiple return paths is a personal choice, I use them because I think they lead to cleaner code, since they help me avoid nested if statements and show exactly what is going on at a certain point in code. As for the stict cas...
Entity Framework: “Store update, insert, or delete statement affected an unexpected number of rows (
... tell sql that field is an auto increment Identity field, which I forgot :<
– Agile Noob
Jan 6 '13 at 19:36
1
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What's a reliable way to make an iOS app crash?
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My current favourite:
assert(! "crashing on purpose to test <insert your reason here>");
A classic:
kill( getpid(), SIGABRT );
And some pr0n:
*(long*)0 = 0xB16B00B5;
All of them generate crashes captured by my crash reporting tool.
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Remove by _id in MongoDB console
...); ...and I got, "Uncaught ReferenceError: ObjectId is not defined at <anonymous>:2:13"
– B. Clay Shannon
Aug 11 '15 at 2:57
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Add 10 seconds to a Date
...y bad practice. The (currently next) answers pointing to Date.getTime() + <number of milliseconds to add> seem to be the intended and supported approach, and would be clear to most programmers coming from different languages without encyclopedic knowledge of the undocumented nuances of each pa...
How to calculate UILabel width based on text length?
...it worked for me.
For 2014, I edited in this new version, based on the ultra-handy comment by Norbert below! This does everything. Cheers
// yourLabel is your UILabel.
float widthIs =
[self.yourLabel.text
boundingRectWithSize:self.yourLabel.frame.size ...
Why does one use dependency injection?
...My code is never a mess; I hardly write virtual functions and interfaces (although I do once in a blue moon) and all my configuration is magically serialized into a class using json.net (sometimes using an XML serializer).
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Where can I learn how to write C code to speed up slow R functions? [closed]
...foobar(){
SEXP ab;
PROTECT(ab = allocVector(STRSXP, 2));
SET_STRING_ELT( ab, 0, mkChar("foo") );
SET_STRING_ELT( ab, 1, mkChar("bar") );
UNPROTECT(1);
}
Using Rcpp, you can write the same function as:
SEXP foobar(){
return Rcpp::CharacterVector::create( "foo", "bar" ) ;
}
or:
SE...