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Fastest way to check if a value exists in a list
... time_method_set_in = []
time_method_bisect = []
# adjust range down if runtime is to great or up if there are to many zero entries in any of the time_method lists
Nls = [x for x in range(10000, 30000, 1000)]
for N in Nls:
a = [x for x in range(0, N)]
random.shuffl...
What strategies and tools are useful for finding memory leaks in .NET?
...s some really wonderful walkthroughs using windbg and other tools to track down memory leaks of all types. Excellent reading to develop your skills.
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What is the point of the diamond operator () in Java 7?
...K, but if you define private List<String> my list;, and then halfway down the page you instantiate with my_list = new List<>(), then it's not cool! What does my list contain again? Oh, let me hunt around for the definition. Suddenly, the benefit of the diamond shortcut goes bye bye.
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When to use Comparable and Comparator
...ire a comparator, at which point the implementation of comparable may slow down users of the class, not speed them up.
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Throw keyword in function's signature
... your program senseless too, most of the time.
That's just what it comes down to, you probably just will end up with a call to terminate() and your program dying a quick but painful death.
The GOTWs conclusion is:
So here’s what seems to be the best advice we as a community have learned as ...
Speed comparison with Project Euler: C vs Python vs Erlang vs Haskell
...de is to use native code. Compiling with erlc +native euler12 got the time down to 41.3 seconds. This is however a much lower speedup (just 15%) than expected from native compilation on this kind of code, and the problem is your use of -compile(export_all). This is useful for experimentation, but th...
Adding a new SQL column with a default value
....)
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To find the syntax for column_definition search a bit further down the page:
column_definition clauses use the same syntax for ADD and CHANGE as for CREATE TABLE. See Section 12.1.17, “CREATE TABLE Syntax”.
And from the linked page:
column_definition:
data_type [NOT NULL...
Why JSF calls getters multiple times
...) is a HOT SPOT (performance issue) in Java Visual VM. If you look further down, on the screen capture, you will see that getLazyModel(), PrimeFaces lazy datatable getter method, is a hot spot too, only when enduser is doing a lot of 'lazy datatable' type of stuff/operations/tasks in the app. :)
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How to use localization in C#
...ge the form's Language property to the language you want (from a nice drop-down with them all in)
Translate the controls in that form and move them about if need be (squash those really long full French sentences in!)
Edit: This MSDN article on Localizing Windows Forms is not the original one I li...
Input widths on Bootstrap 3
...here is an open issue on this and they will address it once things settled down. Adding row us not what I am looking for due to the extra markup that is totally unnecessary if they made the proper classes - which is what I did. I created .input1-12 with percentage width and I just apply that to the ...