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Do I really have a car in my garage? [duplicate]
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For simplicity's sake, I would override the ToString() methods in each class and return the concrete type as a string then use a switch() to decide what to do with each item.
– Captain Kenpachi
Jul 23 '14 at 7:38
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How to properly compare two Integers in Java?
...imizing in this way:
public class BoxingLol {
public static void main(String[] args) {
for (int i = 0; i < Integer.MAX_VALUE; i++) {
Integer a = i;
Integer b = i;
if (a != b) {
System.out.println("Done: " + i);
Syste...
Single script to run in both Windows batch and Linux Bash?
...er cmd code is to use heredocs so that sh treats the cmd code as an unused string and cmd interprets it. In this case, we make sure that our heredoc’s delimiter is both quoted (to stop sh from doing any sort of interpretation on its contents when running with sh) and starts with : so that cmd skip...
When are you truly forced to use UUID as part of the design?
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@Chamnap uuid.raw will give you the byte string. The hash method is not useful to you. It's used for hash tables and comparison operations internally within Ruby. All the methods for converting to and from various UUID representations are defined as class methods an...
How do you do a ‘Pause’ with PowerShell 2.0?
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/c Carries out the command specified by string and then terminates | out-null pipes the output to out-null, where you'll never see it If you want to see the "Press any key to continue..." message, remove the pipe. Also, this doesn't seem to work in PowerShell I...
What exception classes are in the standard C++ library
...alid arguments.
std::length_error This is thrown when a too big std::string is created
std::out_of_range This can be thrown by the at method from for example a std::vector and std::bitset<>::operator[]().
std::runtime_error An exception that theoretically can not be detected b...
The Definitive C Book Guide and List
...mmon mechanisms and data structures in C, such as lists, sets, exceptions, string manipulation, memory allocators, and more. Basically, Hanson took all the code he'd written as part of building Icon and lcc and pulled out the best bits in a form that other people could reuse for their own projects. ...
What does “#define _GNU_SOURCE” imply?
...different Unix versions, so there is no single right content for, say, <string.h> — there are many standards (xkcd).
There's a whole set of macros to pick your favorite one, so that if your program expects one standard, the library will conform to that.
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How to calculate time in hours between two dates in iOS
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-(NSMutableString*) timeLeftSinceDate: (NSDate *) dateT {
NSMutableString *timeLeft = [[NSMutableString alloc]init];
NSDate *today10am =[NSDate date];
NSInteger seconds = [today10am timeIntervalSinceDate:dateT];
NSIn...
How update the _id of one MongoDB Document?
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Using just ObjectId() without the string as parameter will generate a new unique one.
– Erik
Apr 30 '15 at 12:58
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