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Casting vs using the 'as' keyword in the CLR
... The cast is
// the best code if that's the behaviour you want.
TargetType convertedRandomObject = (TargetType) randomObject;
If randomObject might be an instance of TargetType and TargetType is a reference type, then use code like this:
TargetType convertedRandomObject = randomObject as TargetTyp...
What is the difference between const_iterator and non-const iterator in the C++ STL?
...a const violation, in my opinion). If you want do that anyway, you have to convert it to a non-const iterator using std::advance() or boost::next(). Eg. boost::next(container.begin(), std::distance(container.begin(), the_const_iterator_we_want_to_unconst)). If container is a std::list, then the runn...
What is the best way to auto-generate INSERT statements for a SQL Server table?
...data (Extended characters or Unicode). If needed
you might want to convert the datatypes of character variables in this procedure to their respective unicode counterparts
like nchar and nvarchar
Example 1: To generate INSERT statements for table 'titles':
EXEC sp_generate...
How can I call a custom Django manage.py command directly from a test driver?
...his is still useful for something like call_command('check'), to make sure system checks are passing, in a test.
– Adam Barnes
Dec 2 '18 at 13:50
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How can I format a String number to have commas and round?
...s that would get formatted as 1.000.500.000,57 instead).
You also need to convert that string into a number, this can be done with:
double amount = Double.parseDouble(number);
Code sample:
String number = "1000500000.574";
double amount = Double.parseDouble(number);
DecimalFormat formatter = ne...
@RequestParam vs @PathVariable
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it may be that the application/x-www-form-urlencoded midia type convert space to +, and the reciever will decode the data by converting the + to space.check the url for more info.http://www.w3.org/TR/html401/interact/forms.h
How to convert hashmap to JSON object in Java
How to convert or cast hashmap to JSON object in Java, and again convert JSON object to JSON string?
29 Answers
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Java's L number (long) specification
...riable like: long _lo = 30; and not 30L does this mean my variable will be converted into float ? Or in case of _lo = _lo + 2.77 that _lo will be casted into float although it was declared as long
– luigi7up
Oct 19 '12 at 10:28
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Get the correct week number of a given date
...lly verified this to be correct for years 2012 to 2018 (assuming that epochconverter.com is correct). We should all rejoice this year that week 1 of 2018 actually started on the first of January for once!
– Aidan
Oct 21 '18 at 10:39
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Iterator Loop vs index loop [duplicate]
.... If your container's size is larger than INT_MAX then obviously you can't convert it to int and the code fails. long long would be safer (especially as it's finally standard). I will never create a vector with 2^63 elements but I might with 2^31.
– Steve Jessop
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