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Visual Studio Expand/Collapse keyboard shortcuts [duplicate]
...other comments there, but Ctrl M M is awesome and going to save me so much time!
– Ciaran Martin
Mar 8 '16 at 16:50
2
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Last iteration of enhanced for loop in java
Is there a way to determine if the loop is iterating for the last time. My code looks something like this:
21 Answers
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C++ Returning reference to local variable
...rk because you're returning an alias (a reference) to an object with a lifetime limited to the scope of the function call. That means once func1() returns, int i dies, making the reference returned from the function worthless because it now refers to an object that doesn't exist.
int main()
{
i...
Difference between string and char[] types in C++
... a DLL function to make sure he's using the exact same compiler and C++ runtime implementation, lest he risk his string class behaving differently.
Normally, a string class would also release its heap memory on the calling heap, so it will only be able to free memory again if you're using a shared ...
Changing the cursor in WPF sometimes works, sometimes doesn't
...ice, but is not safe if multiple views are updating the cursor at the same time. Easy to get into a race condition where ViewA set's cursor, then ViewB sets a different one, then ViewA tries to reset its cursor (which then pops ViewB's off the stack and leaves ViewA's cursor active). Not until ViewB...
How to validate an email address using a regular expression?
...is its true owner. People sign others up to mailing lists this way all the time. Fixing that requires a fancier kind of validation that involves sending that address a message that includes a confirmation token meant to be entered on the same web page as was the address.
Confirmation tokens are th...
What is PECS (Producer Extends Consumer Super)?
...hing to a Collection<? extends Thing>, because you cannot know at runtime which specific subtype of Thing the collection holds.)
Case 2: You want to add things to the collection.
Then the list is a consumer, so you should use a Collection<? super Thing>.
The reasoning here is that unli...
What is the difference between memoization and dynamic programming?
...cesses in the dynamic-programming algorithm can be exploited to reduce the time or space requirements even further
If some subproblems in the subproblem space need not be solved at all, the memoized solution has the advantage of solving only those subproblems that are definitely required
A...
Stop all active ajax requests in jQuery
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Every time you create an ajax request you could use a variable to store it:
var request = $.ajax({
type: 'POST',
url: 'someurl',
success: function(result){}
});
Then you can abort the request:
request.abort();
You...
How do I use vim registers?
...rrent line. Furthermore, we can type @@ to repeat, or 100@m to do this 100 times! Life's looking pretty good.
At this point you should be saying, "But what does this have to do with registers?"
Excellent point. Let's investigate what is in the contents of the m register by typing "mp. We then get th...