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Cannot create an array of LinkedLists in Java…?
...e the row map type a TreeMap, and same for traversing the columns in index order, but if you don't need those cases, HashMap is quicker than TreeMap. Helper methods to get and set an arbitrary cell, handling unset null values, would be useful, of course.
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Most efficient way to reverse a numpy array
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In order to have it working with negative numbers and a long list you can do the following:
b = numpy.flipud(numpy.array(a.split(),float))
Where flipud is for 1d arra
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Download a specific tag with Git
...more tags, if that might be needed, upgrade a shallow clone to full clone, etc.
– Sam Watkins
Jan 29 '15 at 11:41
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File extension for PowerShell 3
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PowerShell files for all versions are .ps1 (or .psm1, .psd1, etc.).
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What's the safest way to iterate through the keys of a Perl hash?
...may work for some data sets but will fail for others depending on the hash order.
As already noted, it is safe to delete the last key returned by each. This is not true for keys as each is an iterator while keys returns a list.
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Split string to equal length substrings in Java
...egex, while requiring a few extra lines of code, will run somewhere on the order of 5x faster...
– drew moore
Sep 23 '14 at 14:17
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How can you profile a Python script?
...e euler048.py
And I get this:
1007 function calls in 0.061 CPU seconds
Ordered by: standard name
ncalls tottime percall cumtime percall filename:lineno(function)
1 0.000 0.000 0.061 0.061 <string>:1(<module>)
1000 0.051 0.000 0.051 0.000 euler048.py:2...
How do I make Vim do normal (Bash-like) tab completion for file names?
...ide a list with the same elements, and they may just appear in a different order.
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How to implement onBackPressed() in Fragments?
...us answer.
If I were to do this today, I'd use a broadcast, or possibly a ordered broadcast if I expected other panels to update in unison to the master/main content panel.
LocalBroadcastManager in the Support Library can help with this, and you just send the broadcast in onBackPressed and subscri...
How to set date format in HTML date input tag?
... real world. Some browsers, like Chrome and Opera, do at least respect the order of entities, though nothing more than that. For example, my OS locale settings specify that as a short date, the first day of August this year should be 1/8-2016, but even Chrome and Opera show 01/08/2016. Other browser...