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Use find command but exclude files in two directories
I want to find files that end with _peaks.bed , but exclude files in the tmp and scripts folders.
6 Answers
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When to use virtual destructors?
I have a solid understanding of most OOP theory but the one thing that confuses me a lot is virtual destructors.
17 Answe...
How to calculate a mod b in Python?
Is there a modulo function in the Python math library?
7 Answers
7
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How can I use if/else in a dictionary comprehension?
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You've already got it: A if test else B is a valid Python expression. The only problem with your dict comprehension as shown is that the place for an expression in a dict comprehension must have two expressions, separated by a colon:
{ (some_key if condition els...
Case insensitive comparison NSString
... Objective C? It doesn't seem to have an equivalent method to str1.equalsIgnoreCase(str2)
12 Answers
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Why do I get TypeError: can't multiply sequence by non-int of type 'float'?
I am typing to get a sale amount (by input) to be multiplied by a defined sales tax (0.08) and then have it print the total amount (sales tax times sale amount).
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Is Integer Immutable
I know this is probably very stupid, but a lot of places claim that the Integer class in Java is immutable, yet the following code:
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How to pass objects to functions in C++?
I am new to C++ programming, but I have experience in Java. I need guidance on how to pass objects to functions in C++.
7 A...
INNER JOIN vs LEFT JOIN performance in SQL Server
I've created SQL command that uses INNER JOIN on 9 tables, anyway this command takes a very long time (more than five minutes). So my folk suggested me to change INNER JOIN to LEFT JOIN because the performance of LEFT JOIN is better, despite what I know. After I changed it, the speed of query got si...
Change priorityQueue to max priorityqueue
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How about like this:
PriorityQueue<Integer> queue = new PriorityQueue<>(10, Collections.reverseOrder());
queue.offer(1);
queue.offer(2);
queue.offer(3);
//...
Integer val = null;
while( (val = queue.poll()) != null) ...