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When should we use mutex and when should we use semaphore
...o execute code that should not be executed by any other thread at the same time. Mutex 'down' happens in one thread and mutex 'up' must happen in the same thread later on.
e.g.: If you are deleting a node from a global linked list, you do not want another thread to muck around with pointers while yo...
Converting dd/mm/yyyy formatted string to Datetime [duplicate]
...o DotNet and C#. I want to convert a string in mm/dd/yyyy format to DateTime object. I tried the parse function like below but it is throwing a runtime error.
...
Can I change a private readonly field in C# using reflection?
...no sense. Your solution works perfectly fine (tested again, correctly this time)
– Sage Pourpre
Apr 17 '15 at 2:57
how...
How to kill all processes with a given partial name? [closed]
...ayan: you are not going to convince me :-). I have been burnt way too many times by third-party scripts that insisted on using pkill - the most common mistake being the assumption that only one instance of each binary could exist at any given time.
– thkala
Jan...
How to check if a DateTime occurs today?
Is there a better .net way to check if a DateTime has occured 'today' then the code below?
13 Answers
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to drawRect or not to drawRect (when should one use drawRect/Core Graphics vs subviews/images and wh
...ne this for a while, you get a sense for when UIKit is probably a waste of time.
So, why is Core Graphics fast?
CoreGraphics isn't really fast. If it's being used all the time, you're probably going slow. It's a rich drawing API, which requires its work be done on the CPU, as opposed to a lot of U...
Is this the right way to clean-up Fragment back stack when leaving a deeply nested stack?
...
@Marek, because sometimes not all fragments should be removed, a loop is suitable for this.
– CoolMind
Dec 8 '16 at 18:07
1
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java.lang.OutOfMemoryError: Java heap space
... {
public static void main(String[] args) {
long heapsize = Runtime.getRuntime().totalMemory();
System.out.println("heapsize is :: " + heapsize);
}
}
then accordingly you can increase heap size also by using:
java -Xmx2g
http://www.oracle.com/technetwork/java/javase/tech/v...
How to initialize a two-dimensional array in Python?
...r = [SOME EXPRESSION for item in some_iterable]
which is shorter and sometimes clearer. Usually you get in the habit of recognizing these and often replacing loops with comprehensions.
Your code follows this pattern twice
twod_list = [] \ ...
How to append to a file in Node?
...end a string to a log file. However writeFile will erase the content each time before writing the string.
18 Answers
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