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Concept of void pointer in C programming
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In C, a void * can be converted to a pointer to an object of a different type without an explicit cast:
void abc(void *a, int b)
{
int *test = a;
/* ... */
This doesn't help with writing your function in a more generic way, though.
You...
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...
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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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...
convert ArrayList to JSONArray
... an ArrayAdapter for a ListView. I need to take the items in the list and convert them to a JSONArray to send to an API. I've searched around, but haven't found anything that explains how this might work, any help would be appreciated.
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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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@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 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...
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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JAVA线程池管理及分布式HADOOP调度框架搭建 - 人工智能(AI) - 清泛IT社区，...
平时的开发中线程是个少不了的东西，比如tomcat里的servlet就是线程，没有线程我们如何提供多用户访问呢？不过很多刚开始接触线程的开发攻城师却在这个上面吃了不少苦头。怎么做一套简便的线程开发模式框架让大家从单线...