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What is the difference between declarative and imperative programming? [closed]
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809
A great C# example of declarative vs. imperative programming is LINQ.
With imperative programm...
Index of Currently Selected Row in DataGridView
...Row of a DataGridView ? I don't want the Row object, I want the index (0 .. n).
12 Answers
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What is “rvalue reference for *this”?
...t;
t.f(); // lvalue
test().f(); // rvalue
}
Output:
$ clang++ -std=c++0x -stdlib=libc++ -Wall -pedantic t.cpp
$ ./a.out
lvalue object
rvalue object
The whole thing is done to allow you to take advantage of the fact when the object the function is called on is an rvalue (unnamed temporary, for ...
How to perform mouseover function in Selenium WebDriver using Java?
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answered Jun 25 '13 at 10:03
Mark RowlandsMark Rowlands
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Change working directory in my current shell context when running Node script
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10
The method changes the current working directory of the process, not the shell. As far as I know, changing the external cwd of a running pro...
Hash Map in Python
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AlanAlan
40.2k1616 gold badges106106 silver badges129129 bronze badges
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Logging in Scala
...ppers around a Java logging framework (slf4j, log4j etc), but as of March 2015, the surviving log libraries are all slf4j. These log libraries provide some sort of log object to which you can call info(...), debug(...), etc. I'm not a big fan of slf4j, but it now seems to be the predominant logging ...
Best practice for nested fragments in Android 4.0, 4.1 (
I'm writing an app for 4.0 and 4.1 tablets, for which I do not want to use the support libraries (if not needed) but the 4.x api only therefore.
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Why use a prime number in hashCode?
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104
Because you want the number you are multiplying by and the number of buckets you are inserting ...
What is the maximum length of a URL in different browsers?
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5078
Short answer - de facto limit of 2000 characters
If you keep URLs under 2000 characters, they'...