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Pointer expressions: *ptr++, *++ptr and ++*ptr
...e of the operand after the increment. This makes it a very different beast from the postfix increment operator. Let's say you have:
int i = 7;
printf ("%d\n", ++i);
printf ("%d\n", i);
The output will be:
8
8
... different from what we saw with the postfix operator. Similarly, if you have:
c...
Match whitespace but not newlines
...he horizontal whitespace character class \h. This will match tab and space from the ASCII set, non-breaking space from extended ASCII, or any of these Unicode characters
U+0009 CHARACTER TABULATION
U+0020 SPACE
U+00A0 NO-BREAK SPACE (not matched by \s)
U+1680 OGHAM SPACE MARK
U+2000 EN QUAD
U+2001...
Entity Framework .Remove() vs. .DeleteObject()
You can remove an item from a database using EF by using the following two methods.
2 Answers
...
Is there a difference between YES/NO,TRUE/FALSE and true/false in objective-c?
...t for specific values, so always use them as booleans and only assign them from their #define values.
Importantly, never test booleans using a character comparison -- it's not only risky because someVar could be assigned a non-zero value which is not YES, but, in my opinion more importantly, it fa...
What is the difference between '@' and '=' in directive scope in AngularJS?
...bute?
Yes, but only if you don't use an isolate scope. Remove this line from your directive
scope: { ... }
and then your directive will not create a new scope. It will use the parent scope. You can then access all of the parent scope properties directly.
The documentation says "Often it...
How do I add multiple arguments to my custom template filter in a django template?
...% if X|is_in:"1,2,3,4" %}
Now we can create your templatetag like this:
from django.template import Library
register = Library()
def is_in(var, args):
if args is None:
return False
arg_list = [arg.strip() for arg in args.split(',')]
return var in arg_list
register.filter(is...
How can I programmatically check whether a keyboard is present in iOS app?
...llers, all of which contain UITextFields. Using this method, i cannot tell from my parent view controller whether the keyboard is shown. The only reliable way is to use the notification method explained in the other answers
– TimWhiting
Jul 16 '15 at 20:43
...
How do I fix the error 'Named Pipes Provider, error 40 - Could not open a connection to' SQL Server'
I can't seem to connect to my database from a site. I get this error:
32 Answers
32
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Best Practices for Laravel 4 Helpers and Basic Functions?
...oad array. Run composer dump-autoload
Call your class and static functions from your views.
About your options, quoted from the global.php file
In addition to using Composer, you may use the Laravel class loader to
load your controllers and models. This is useful for keeping all of
your cl...
Replace specific characters within strings
I would like to remove specific characters from strings within a vector, similar to the Find and Replace feature in Excel.
...