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How to find memory leak in a C++ code/project?
... I have to delete "some parameter" in the someFunction, after the function call, or are these automatically deleted?
– 19greg96
May 26 '13 at 17:31
1
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`from … import` vs `import .` [duplicate]
...on2.7/os.pyc'>
>>> globals()['os.path']
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
KeyError: 'os.path'
>>>
From the above example, we found that only os is added to the local and global namespaces.
So, we should be able to use os:
...
What is the optimal length for an email address in a database?
...ail address must not exceed 254 characters. As described in RFC3696 Errata ID 1690.
I got the original part of this information from here
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How to redirect output of an already running process [duplicate]
... will print the value of an expression, an expression can be a function to call, it can be a system call… So I execute a close() system call and pass file handle 1, then I execute a creat() system call to open a new file. The result of the creat() was 1 which means that it replaced the previous fi...
Should I initialize variable within constructor or outside constructor [duplicate]
...sons:
It makes it clear at a glance how the variable is initialized. Typically, when reading a program and coming across a variable, you'll first go to its declaration (often automatic in IDEs). With style 2, you see the default value right away. With style 1, you need to look at the constructor a...
How do you detect Credit card type based on number?
...space and punctuation characters from the input. Why? Because it’s typically much easier to enter the digits in groups, similar to how they’re displayed on the front of an actual credit card, i.e.
4444 4444 4444 4444
is much easier to enter correctly than
4444444444444444
There’s reall...
What's the difference between $evalAsync and $timeout in AngularJS?
... I'm not sure I understand though. Why does it make a difference if you're calling $evalAsync from a controller or a directive? The asyncQueue doesn't know whether it was registered from a controller or a directive, it just queues it up on the current scope. Does it have to do with when stuff runs i...
Objective-C: Where to remove observer for NSNotification?
...This is obviously not a satisfying answer.
I'd recommend, that you add a call [notificationCenter removeObserver: self] in method dealloc of those classes, which you intend to use as observers, as it is the last chance to unregister an observer cleanly. This will, however, only protect you against...
What's so wrong about using GC.Collect()?
... so I won't repeat
all that here. So let's move on to...
Rule #2
Consider calling GC.Collect() if some
non-recurring event has just happened
and this event is highly likely to
have caused a lot of old objects to
die.
A classic example of this is if you're
writing a client application and you
displa...
What is the easiest/best/most correct way to iterate through the characters of a string in Java?
... it might inline length(), that is hoist the method behind that call up a few frames, but its more efficient to do this for(int i = 0, n = s.length() ; i < n ; i++) { char c = s.charAt(i); }
– Dave Cheney
Oct 13 '08 at 8:04
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