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jQuery Validate - require at least one field in a group to be filled
... on has several cloned regions with grouped inputs like these, I passed an extra argument to the require_from_group constructor, changing exactly one line of your addMethod function:
var commonParent = $(element).parents(options[2]);
and this way a selector, ID or element name can be passed once:...
How to set commands output as a variable in a batch file
...SET var=%%F
)
ECHO %var%
I always use the USEBACKQ so that if you have a string to insert or a long file name, you can use your double quotes without screwing up the command.
Now if your output will contain multiple lines, you can do this
SETLOCAL ENABLEDELAYEDEXPANSION
SET count=1
FOR /F "token...
iPhone - Grand Central Dispatch main thread
...rocessing has finished e.g.
- (void)doCalculation
{
//you can use any string instead "com.mycompany.myqueue"
dispatch_queue_t backgroundQueue = dispatch_queue_create("com.mycompany.myqueue", 0);
dispatch_async(backgroundQueue, ^{
int result = <some really long calculation th...
What is the effect of extern “C” in C++?
... represented in the binary file as symbols. These symbols are special text strings that uniquely identify a function in the program.
In C, the symbol name is the same as the function name. This is possible because in C no two non-static functions can have the same name.
Because C++ allows overload...
Preventing Laravel adding multiple records to a pivot table
...
I don't like this solution because it forces an extra query ($cart->items) I've been doing something like: $cart->items()->where('foreign_key', $foreignKey)->count() Which, well, actually performs an additional query too '^^ But I don't need to fetch and hy...
Why do we need extern “C”{ #include } in C++?
..._gxx_personality_v0
The foo function is actually called "_Z3foov". This string contains type information for the return type and parameters, among other things. If you instead write test.C like this:
extern "C" {
void foo() { }
}
Then compile and look at symbols:
$ g++ -c test.C
$ nm tes...
Finding Key associated with max Value in a Java Map
...s with maximum value
public class NewClass4 {
public static void main(String[] args)
{
HashMap<Integer,Integer>map=new HashMap<Integer, Integer>();
map.put(1, 50);
map.put(2, 60);
map.put(3, 30);
map.put(4, 60);
map.put(5, 60);
...
How to pass command line arguments to a rake task
...
Also, make sure you enclose the argument in string. e.g from your command line run the rake task like so rake thing:work'[1,2,3]'
– theterminalguy
Jan 14 '17 at 8:01
...
How to disable postback on an asp Button (System.Web.UI.WebControls.Button)
...se"', otherwise it will add 'WebForm_DoPostBackWithOptions' and a bunch of extra markup.
– Carter Medlin
Aug 12 '13 at 18:41
...
Multiple GitHub Accounts & SSH Config
...
Andy Lester's response is accurate but I found an important extra step I needed to make to get this to work. In trying to get two profiles set up, one for personal and one for work, my ~/.ssh/config was roughly as follows:
Host me.github.com
HostName github.com
PreferredAuthe...