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Why 0 is true but false is 1 in the shell?
... if you want to. A lot of APIs and frameworks have a similar convention - functions that succeed return 0 and and those that fail give back an error code describing the particular failure case.
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Split Strings into words with multiple word boundary delimiters
...) solution hit the nail on the head. Thanks.
– JayJay123
Jul 6 '15 at 2:22
it will get you wrong answer when you don't...
Express next function, what is it really for?
...listening on port 3000!')
});
If you do
curl http://localhost:3000/user/123
you will see this printed to console:
before request handler
handling request
after request handler
Now if you comment out the call to next() in the middle handler like this:
app.get('/user/:id', function (req, res,...
Does Java have something like C#'s ref and out keywords?
...
Giving a detailed answer a negative vote is funny. I've checked out SO and couldn't find a fine exact answer with demo code, that's why I've written this answer as far as I can remember. If you wait for a single answer and down vote every other answer, then SO should b...
Is there a way to make mv create the directory to be moved to if it doesn't exist?
... @Leffler, Not true -- I know bash supports more than 9 arguments (using ${123} is one method). I don't know Perl, so feel free to make an answer yourself. =]
– strager
Feb 13 '09 at 22:06
...
Singleton with Arguments in Java
...(x);
return singleton;
}
}
Then you can call Singleton.init(123) once to configure it, for example in your app startup.
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Difference between malloc and calloc?
...s calloc to be tuned to the operating system rather than a generic library function on top of malloc. Or, an implementor could make calloc compare each word against zero before zeroing it. This would not save any time, but it would avoid dirtying the new pages.
– R.. GitHub STO...
Objective-C for Windows
...S is in your PATH)
Use this simple "Hello World" program to test GNUstep's functionality:
#include <Foundation/Foundation.h>
int main(void)
{
NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
NSLog(@"Hello World!.");
[pool drain];
return;
}
Go back to the command pro...
How to add JTable in JPanel with null layout?
...bleModel model = new DefaultTableModel(
new String[][] { { "a", "123"} , {"b", "456"} },
new String[] { "name", "value" } );
JTable t = new JTable(model);
JPanel panel = new JPanel(null);
JScrollPane scroll = new JScrollPane(t);
scroll.setBounds( 0, 20...
Add st, nd, rd and th (ordinal) suffix to a number
...etDaySuffix(num)
{
var array = ("" + num).split("").reverse(); // E.g. 123 = array("3","2","1")
if (array[1] != "1") { // Number is in the teens
switch (array[0]) {
case "1": return "st";
case "2": return "nd";
case "3": return "rd";
}
...