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How can I pass a member function where a free function is expected?
...void* context) {
fptr(context, 17, 42);
}
void non_member(void*, int i0, int i1) {
std::cout << "I don't need any context! i0=" << i0 << " i1=" << i1 << "\n";
}
struct foo {
void member(int i0, int i1) {
std::cout << "member function: this=" ...
Error : The service is invalid
...o a Clean then Rebuild.
Disconnect, reconnect device.
Restart iOS device (90% of the time it fixes things)
If all else fails, restart your Mac (unlikely but it did fix an issue once for me).
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...
Correct way to load a Nib for a UIView subclass
...ndle] loadNibNamed:@"MyViewClassNib" owner:self options:nil] objectAtIndex:0]
I'm using this to initialise the reusable custom views I have.
Note that you can use "firstObject" at the end there, it's a little cleaner. "firstObject" is a handy method for NSArray and NSMutableArray.
Here's a typ...
Setting an image for a UIButton in code
...
405
Objective-C
UIImage *btnImage = [UIImage imageNamed:@"image.png"];
[btnTwo setImage:btnImage f...
How to get the insert ID in JDBC?
...int affectedRows = statement.executeUpdate();
if (affectedRows == 0) {
throw new SQLException("Creating user failed, no rows affected.");
}
try (ResultSet generatedKeys = statement.getGeneratedKeys()) {
if (generatedKeys.next()) {
use...
psycopg2: insert multiple rows with one query
... located in another city.
I found out that using this method was about 10 times faster than executemany. In my case tup is a tuple containing about 2000 rows. It took about 10 seconds when using this method:
args_str = ','.join(cur.mogrify("(%s,%s,%s,%s,%s,%s,%s,%s,%s)", x) for x in tup)
cur.exe...
Java integer to byte array
I got an integer: 1695609641
13 Answers
13
...
JavaScript module pattern with example [closed]
...larpattern = (function() {
// your module code goes here
var sum = 0 ;
return {
add:function() {
sum = sum + 1;
return sum;
},
reset:function() {
return sum = 0;
}
}
}());
alert(modularpattern.add()); //...
What is the difference between a 'closure' and a 'lambda'?
...otherfunc(h):
def func(): return h
return func
print anotherfunc(10)()
This will print 10.
This, as you notice, has nothing to do with lambdas - they are two different (although related) concepts.
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Could not reliably determine the server's fully qualified domain name
...
answered May 2 '11 at 10:48
noodlnoodl
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