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Quicksort vs heapsort
...lean towards best case) than another randomization. So I ran the identical sets through each one. Array.sort tied or beat every time (release build btw).
– Chris
Nov 12 '17 at 19:35
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Using “Object.create” instead of “new”
...he Object.defineProperties and Object.defineProperty methods.
It lets you set the property attributes (enumerable, writable, or configurable), which can be really useful.
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Array include any value from another array?
...; works in linear time while any? + include? will be quadratic. For larger sets of data, linear time will be faster. For small data sets, any? + include? may be faster as shown by Lee Jarvis' answer -- probably because & allocates a new Array while another solution does not and works as a simple...
Why does pylint object to single character variable names?
... editor after snippets, if snippets enabled
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What new capabilities do user-defined literals add to C++?
C++11 introduces user-defined literals which will allow the introduction of new literal syntax based on existing literals ( int , hex , string , float ) so that any type will be able to have a literal presentation.
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How do I iterate over an NSArray?
...erator, you very easily change to another enumerable collection (like an NSSet, keys in an NSDictionary, etc.), or even switch to -reverseObjectEnumerator to enumerate an array backwards, all with no other code changes. If the iteration code is in a method, you could even pass in any NSEnumerator an...
How do write IF ELSE statement in a MySQL query
..., 1, 0 ) AS state
for use in query
IF ( action = 2 AND state = 0 ) THEN SET state = 1
for use in stored procedures or functions
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How do I draw a grid onto a plot in Python?
...ge(0, 1, 0.05)
y = numpy.power(x, 2)
fig = plt.figure()
ax = fig.gca()
ax.set_xticks(numpy.arange(0, 1, 0.1))
ax.set_yticks(numpy.arange(0, 1., 0.1))
plt.scatter(x, y)
plt.grid()
plt.show()
ax.xaxis.grid and ax.yaxis.grid can control grid lines properties.
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invalid byte sequence for encoding “UTF8”
...iconv utility to change encoding of the input data.
iconv -f original_charset -t utf-8 originalfile > newfile
You can change psql (the client) encoding following the instructions on Character Set Support. On that page, search for the phrase "To enable automatic character set conversion".
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Prevent Caching in ASP.NET MVC for specific actions using an attribute
...ods, put the following:
$.ajax({
cache: false
//rest of your ajax setup
});
Or to prevent caching in MVC, we created our own attribute, you could do the same. Here's our code:
[AttributeUsage(AttributeTargets.Class | AttributeTargets.Method)]
public sealed class NoCacheAttribute : Action...