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Qt c++ aggregate 'std::stringstream ss' has incomplete type and cannot be defined
...er ways to convert int to string, like
char numstr[21]; // enough to hold all numbers up to 64-bits
sprintf(numstr, "%d", age);
result = name + numstr;
check this!
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What is IP address '::1'?
...
Xaqron, maybe a firewall is blocking v4 but not v6 traffic?
– SilverbackNet
Jan 6 '11 at 3:25
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Get number of digits with JavaScript
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length is a property, not a method. You can't call it, hence you don't need parenthesis ():
function getlength(number) {
return number.toString().length;
}
UPDATE: As discussed in the comments, the above example won't work for float numbers. To make it working we c...
How can I read inputs as numbers?
...input function.
Python 2.x
There were two functions to get user input, called input and raw_input. The difference between them is, raw_input doesn't evaluate the data and returns as it is, in string form. But, input will evaluate whatever you entered and the result of evaluation will be returned....
Linux command (like cat) to read a specified quantity of characters
...tes=[-]N
print the first N bytes of each file; with the leading '-', print all but the last N bytes of each file
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How do I check that a number is float or integer?
...00% incorrect. The values null, empty string, 1.0 and numerous others will all register incorrectly as integers (even with the === check).
– whoblitz
Sep 11 '13 at 2:59
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What is the meaning of the term “free function” in C++?
...hat free functions also don't take any arguments. But I am not sure. These all are my assumptions. So could anybody define free function?
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Difference between static class and singleton pattern?
...s you say that either a singleton or a static method isn't thread-safe? Usually both should be implemented to be thread-safe.
The big difference between a singleton and a bunch of static methods is that singletons can implement interfaces (or derive from useful base classes, although that's less co...
Error Domain=NSURLErrorDomain Code=-1005 “The network connection was lost.”
...% of the time. I just got a new ISP and it runs kinda weird. This happens all the time now on simulator. Could be the network.
– noobsmcgoobs
Feb 11 '15 at 6:08
1
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Javadoc: package.html or package-info.java
... explain "package annotation" -- an annotation which is to be applied to all of the classes in a package or otherwise to the packages as a whole. The tech.puredanger.com link was the only one to really explain why I should care. That said, it's a good, helpful link.
– Robop...