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String concatenation: concat() vs “+” operator
... StringBuilder is better than would be String.valueOf(s1).concat(s2)? Any idea why compilers wouldn't use the latter [or else omit the valueOf call in cases where s1 is known to be non-null]?
– supercat
Sep 22 '15 at 20:27
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What is opinionated software?
...re. PERL is probably the classic example of non-opinionated software.
My ideal is a non-opinionated framework, but one with strong conventions. I would put ASP.NET MVC in this category. In reality all software is opinionated to some extent (though perhaps not PERL). MVC has strong conventions i...
How to concatenate two MP4 files using FFmpeg?
...ff in them - you'll need appropriate shell-escaping if you want to do this idea with "hard" files).
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how to check the dtype of a column in python pandas
...tioned in answers so far.
So if direct comparing of types is not a good idea - lets try built-in python function for this purpose, namely - isinstance().
It fails just in the beginning, because assumes that we have some objects, but pd.Series or pd.DataFrame may be used as just empty containers w...
Do python projects need a MANIFEST.in, and what should be in it?
...estly, they shouldn't. This answer is ancient, and suggesting pbr is a bad idea, too.
– Arne
Dec 26 '18 at 22:37
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Is it good practice to NULL a pointer after deleting it?
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I wouldn't say deprecated, it makes it sound like the idea is just gone. Rather, it's being replaced with unique_ptr, which does what auto_ptr tried to do, with move semantics.
– GManNickG
Dec 19 '09 at 0:58
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Objective-C implicit conversion loses integer precision 'NSUInteger' (aka 'unsigned long') to 'int'
... You are right that casting the result of indexOfObject: would be a bad idea. My answer was meant for the specific code in the question, and the count method cannot return NSNotFound. I did not recommend to cast to int or ignore warnings generally. Sorry if that was unclear. In fact your sample c...
Does async(launch::async) in C++11 make thread pools obsolete for avoiding expensive thread creation
...ou're issuing a lot of small function calls, a thread pool might be a good idea.
It's quite apparent that the standard C++ library that ships with g++ doesn't have thread pools. But I can definitely see a case for them. Even with the overhead of having to shove the call through some kind of inter-t...
Proper way to declare custom exceptions in modern Python?
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The relevant section of PEP352 is "Retracted Ideas".
– liberforce
Apr 17 '19 at 16:25
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Downloading all maven dependencies to a directory NOT in repository?
...o my SCM as I normally enjoy and be a blissful developer once again.
Any ideas how to do that easily?
5 Answers
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