大约有 41,000 项符合查询结果(耗时:0.0542秒) [XML]
Print in one line dynamically
...
From http://docs.python.org/reference/simple_stmts.html#print: > A '\n' character is written at the end, unless the print statement ends with a comma. This is the only action if the statement contains just the keyword print.
...
Cost of storing AMI
I understand Amazon will charge per GB provisioned EBS storage. If I create AMI of my instance, does this mean my EBS volume will be duplicated, and hence incur additional cost?
...
Is the pImpl idiom really used in practice?
...arned about the pImpl idiom. Basically, the idea is to create a structure for the private objects of a class and dynamically allocate them to decrease the compilation time (and also hide the private implementations in a better manner).
...
How can I find the number of arguments of a Python function?
...ind the number of arguments of a Python function? I need to know how many normal arguments it has and how many named arguments.
...
How to initialise a string from NSData in Swift
...
This is how you should initialize the NSString:
Swift 2.X or older
let datastring = NSString(data: fooData, encoding: NSUTF8StringEncoding)
Swift 3 or newer:
let datastring = NSString(data: fooData, encoding: String.Encoding.utf8.rawValue)
This doc explains the syntax.
...
Faye vs. Socket.IO (and Juggernaut)
...
Disclosure: I am the author of Faye.
Regarding Faye, everything you've said is true.
Faye implements most of Bayeux, the only thing missing right now is service channels, which I've yet to be convinced of the usefulness of. In particular Faye is de...
Convert a float64 to an int in Go
...int in Go? I know the strconv package can be used to convert anything to or from a string, but not between data types where one isn't a string. I know I can use fmt.Sprintf to convert anything to a string, and then strconv it to the data type I need, but this extra conversion seems a bit clums...
C++ convert vector to vector
What is a good clean way to convert a std::vector<int> intVec to std::vector<double> doubleVec . Or, more generally, to convert two vectors of convertible types?
...
Replacement for deprecated sizeWithFont: in iOS 7?
...
when working with an NSString and a UILabel (not ALWAYS the case, but often so), to prevent duplicated code/etc, you can also replace [UIFont systemFontOfSize:17.0f] with label.font - helps code maintenance by referencing existing ...
How to run a JAR file
...
You need to specify a Main-Class in the jar file manifest.
Oracle's tutorial contains a complete demonstration, but here's another one from scratch. You need two files:
Test.java:
public class Test
{
public static void main(String[] args)
{
System.out.println("Hello...
