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Using Moq to mock an asynchronous method for a unit test
...able to return different HttpStatusCodes for different tests based on the expected behavior coming back from the web API, and this seemed to give me more control.
– mvanella
Dec 31 '13 at 15:55
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Performance of Java matrix math libraries? [closed]
We are computing something whose runtime is bound by matrix operations. (Some details below if interested.) This experience prompted the following question:
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Why is the use of alloca() not considered good practice?
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The answer is right there in the man page (at least on Linux):
RETURN VALUE
The alloca() function returns a pointer to the beginning of the
allocated space. If the
allocation causes
stack overflow, program behaviour is undefined.
Which isn't to say i...
Is there a recommended way to return an image using ASP.NET Web API
What is the best way to return an image with 2 parameters (x and y for resize).
2 Answers
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Is a Java hashmap search really O(1)?
...g claims on SO re Java hashmaps and their O(1) lookup time. Can someone explain why this is so? Unless these hashmaps are vastly different from any of the hashing algorithms I was bought up on, there must always exist a dataset that contains collisions.
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Access denied for user 'root'@'localhost' while attempting to grant privileges. How do I grant privi
...ALL PRIVILEGES ON *.* TO 'root'@'localhost' WITH GRANT OPTION |
| GRANT PROXY ON ''@'' TO 'root'@'localhost' WITH GRANT OPTION |
+---------------------------------------------------------------------+
2 rows in set (0.00 sec)
mysql> SELECT * FROM mysql.user WHERE User='root' and Host='loc...
PHP parse/syntax errors; and how to solve them
Everyone runs into syntax errors. Even experienced programmers make typos. For newcomers, it's just part of the learning process. However, it's often easy to interpret error messages such as:
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How to find out which processes are using swap space in Linux?
Under Linux, how do I find out which process is using the swap space more?
17 Answers
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How to generate a core dump in Linux on a segmentation fault?
I have a process in Linux that's getting a segmentation fault. How can I tell it to generate a core dump when it fails?
12...
What's the difference between lists and tuples?
...ave structure, lists have order.
Using this distinction makes code more explicit and understandable.
One example would be pairs of page and line number to reference locations in a book, e.g.:
my_location = (42, 11) # page number, line number
You can then use this as a key in a dictionary to s...