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What is the difference between JOIN and UNION?
...+
| foo | bar |
+-----+-----+
| 23 | 45 |
+-----+-----+
1 row in set (0.01 sec)
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Newline in JLabel
...blem was fixed :) The original post had a literal <br> tag which was formatted by stack-overflow as a literal line break in the post.
– AnnanFay
May 13 '13 at 4:50
add a...
Redefining NULL
...epresented with an alternate bit pattern while still remaining strictly conformant to the standard library. It is not sufficient to simply change the definition of NULL itself however, as then NULL would evaluate to true.
Specifically, you would need to:
Arrange for literal zeros in assignments t...
Difference between setUp() and setUpBeforeClass()
...xchange.using('gps', function() { StackExchange.gps.track('embedded_signup_form.view', { location: 'question_page' }); });
$window.unbind('scroll', onScroll);
}
};
...
Semaphore vs. Monitors - what's the difference?
...monitor object will enforce mutual exclusion, so only one thread may be performing any action on the object at a given time. If one thread is currently executing a member function of the object then any other thread that tries to call a member function of that object will have to wait until the firs...
“Server” vs “Data Source” in connection string
...My favorite set up is one that doesn't contain any spaces. In the simplest form, one has to provide four values - the URL, the container, the user and the credential.
server
database
uid
pwd
So a connection string looks like this.
server=stuffy.databases.net;database=stuffy;uid=konrad;pwd=Ab...
Leading zeros for Int in Swift
... myInt in 1 ... 3 {
print(String(format: "%02d", myInt))
}
output:
01
02
03
This requires import Foundation so technically it is not a part of the Swift language but a capability provided by the Foundation framework. Note that both import UIKit and import Cocoa include Foundation so it i...
Two statements next to curly brace in an equation
...is what you are looking for http://en.wikipedia.org/wiki/Help:Displaying_a_formula#Continuation_and_cases
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Named routes _path vs _url
...xchange.using('gps', function() { StackExchange.gps.track('embedded_signup_form.view', { location: 'question_page' }); });
$window.unbind('scroll', onScroll);
}
};
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How to reverse a singly linked list using only two pointers?
...ks like your code is on the right track, but it's not quite working in the form above. Here's a working version:
#include <stdio.h>
typedef struct Node {
char data;
struct Node* next;
} Node;
void print_list(Node* root) {
while (root) {
printf("%c ", root->data);
root = ro...