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Why are static variables considered evil?
...erhaps, the design should be set up so that the 10,000 runs can be multi-threaded and take advantage of multi-processor cores. If portablity isn't a concern, maybe a native method would get you better speed than your statics do.
If for some reason you do not want multiple copies of an object, the s...
Differences between Ant and Maven [closed]
...e of tasks to each goal manually.
Where Maven...
has conventions, it already knew where your source code was because you followed the convention. It put the bytecode in target/classes, and it produced a JAR file in target.
is declarative. All you had to do was create a pom.xml file and put your ...
Running single test from unittest.TestCase via command line
...le.py MyCase.testItIsHot
would work BUT its unspoken assumption is you already have this conventional code snippet inside (typically at the end of) your test file.
if __name__ == "__main__":
unittest.main()
The inconvenient way
python -m unittest mypkg.tests.test_module.TestClass.test_metho...
Xcode iOS project only shows “My Mac 64-bit” but not simulator or device
...
Yeah, I had read that. But restarting in my case never helped.
– Nic Hubbard
Dec 5 '11 at 5:00
add a comment
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When should we use mutex and when should we use semaphore
...how I remember when to use what -
Semaphore:
Use a semaphore when you (thread) want to sleep till some other thread tells you to wake up. Semaphore 'down' happens in one thread (producer) and semaphore 'up' (for same semaphore) happens in another thread (consumer)
e.g.: In producer-consumer proble...
Emacs mode for Stack Overflow's markdown
...
Pandoc has support for reading a subset of org-mode and can output markdown.
In other words, you can keep writing in org-mode, including writing italics /like this/, and then export to markdown.
From emacs you can convert to markdown by selecting ...
Why does PHP 5.2+ disallow abstract static class methods?
...ic::bar() in my example above, it works fine in PHP 5.3 and above. You can read more about self vs static at New self vs. new static.
With the static keyword added, the clear argument for having abstract static throw a warning was gone. Late static bindings' main purpose was to allow methods defin...
Why does C++11 not support designated initializer lists as C99? [closed]
...exibility for users to set and initialize the members? The user can also already write Person p = { 0, 0, 18 }; (and for good reasons).
– Johannes Schaub - litb
Sep 11 '13 at 19:48
...
What is the correct way to represent null XML elements?
...wrong. However, the programmer should determine whether logic that will be reading the xml is prepared to handle a missing element or xsi:nil; if not, it might be necessary to use one of these forms; that is, it may be necessary to lose the distinction between null/missing element and an empty eleme...
Default implementation for Object.GetHashCode()
...t.is: If what you want is to determine whether a particular instance has already been added into a dictionary, reference equality is perfect. With strings, as you note, one is usually more interested in whether a string containing the same sequence of characters has already been added. That's why ...