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How can I output leading zeros in Ruby?
...airly
cryptic String#% method
We can obtain the same result in a more readable way using the following:
format('%03d', number)
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What is PAGEIOLATCH_SH wait type in SQL Server?
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@GregB: if you already have a basic knowledge of SQL, you could read Joe Celko's books (all of them but especially SQL for Smarties and Thinking in Sets) and my blog of course :)
– Quassnoi
Feb 3 '11 at ...
Ruby replace string with captured regex pattern
... @MarkThomas - often times we try the top/accepted answer first without reading the entirety of answers. That seems to generally be the most efficient means of fixing a problem. Give Vicky a break! :)
– Josh M.
Jan 31 '14 at 3:43
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get dictionary key by value
...= "one").Key;
If values are unique and are inserted less frequently than read, then create an inverse dictionary where values are keys and keys are values.
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How do I parallelize a simple Python loop?
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Using multiple threads on CPython won't give you better performance for pure-Python code due to the global interpreter lock (GIL). I suggest using the multiprocessing module instead:
pool = multiprocessing.Pool(4)
out1, out2, out3 = zip(*po...
How to get the last value of an ArrayList
... that size() is > 0. That would be true for any sort of implementation. Reading through to the end would have saved the time you needed to write your comment and my time for answering :) My answer says at the end "If the list is empty, get throws an IndexOutOfBoundsException"
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How to implement Android Pull-to-Refresh
...Level 8). The widget is now updated with support for 1.5 and later, please read the README for 1.5 support though.
In your layouts you simply add it like this.
<com.markupartist.android.widget.PullToRefreshListView
android:id="@+id/android:list"
android:layout_height="fill_parent"
a...
How do I define global variables in CoffeeScript?
....foo is often != window.foo though if you're 'this' context is an object already. This is a confusing syntax.
– Kevin
Oct 21 '12 at 3:52
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How do you write tests for the argparse portion of a python module? [closed]
...umentParser.parse_args-method calls with parameter args=sys.argv[1:]. It already calls the ArgumentParser.parse_known_args-method. With argument args==None it will obtain them with args = _sys.argv[1:] where _sys is an alias for sys. (It might be an update since the answer was posted.)
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EF Code First: How do I see 'EntityValidationErrors' property from the nuget package console?
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Extend Your DBContext Class Already With a Partial Class Definition!
If you look at the class definition for your DbContext it will be something like the following:
// DatabaseContext.cs -- This file is auto generated and thus shouldn't be changed.
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