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Is the practice of returning a C++ reference variable evil?
...;
Here we know it's okay to return a reference to i_ because whatever is calling us manages the lifetime of the class instance, so i_ will live at least that long.
And of course, there's nothing wrong with just:
int getInt() {
return 0;
}
If the lifetime should be left up to the caller, and...
How to save MailMessage object to disk as *.eml or *.msg file
...eeded to add the <network host="...", etc. in addition to what Ryan provided.
– Steven Rogers
Jul 7 '11 at 20:42
10
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Remove all the children DOM elements in div
...
@david-chu-ca - probably the later answer by Eugene (a primary author of the dojo GFX library) should be marked as the accepted answer. Eugene - thanks for clarification.
– robocat
Jul 24 '1...
Add a CSS class to
...name.
Alternatively, you can style the button without a class:
form#form_id_here input[type=submit]
Try that, as well.
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Can I extend a class using more than 1 class in PHP?
...really want to fake multiple inheritance, you can use the magic function __call().
This is ugly though it works from class A user's point of view :
class B {
public function method_from_b($s) {
echo $s;
}
}
class C {
public function method_from_c($s) {
echo $s;
}
}...
How to use “raise” keyword in Python [duplicate]
...xception in an exception handler, so that it can be handled further up the call stack.
try:
generate_exception()
except SomeException as e:
if not can_handle(e):
raise
handle_exception(e)
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JavaScript: Overriding alert()
...d.apply(this, arguments);
};
})(window.alert);
You can also bypass the call to the original function if you want (proxied)
More info here: JQuery Types #Proxy Pattern
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Passing parameters to a Bash function
...on_name {
command...
}
or
function_name () {
command...
}
To call a function with arguments:
function_name "$arg1" "$arg2"
The function refers to passed arguments by their position (not by name), that is $1, $2, and so forth. $0 is the name of the script itself.
Example:
function_...
Are Exceptions in C++ really slow
...tors to fetch, scattered around memory, and complex operations to run (basically a dynamic_cast test for each handler)
So, mostly cache misses, and thus not trivial compared to pure CPU code.
Note: for more details, read the TR18015 report, chapter 5.4 Exception Handling (pdf)
So, yes, exception...
How to check if an element does NOT have a specific class?
... of DOM elements just as easy as we can on single objects. Your answer provides just that solution. +1
– Stijn de Witt
Sep 28 '12 at 9:27
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