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How do you access the matched groups in a JavaScript regular expression?
...ause it correctly shows iteration over all matches instead of only getting one.
– Rob Evans
May 11 '13 at 12:08
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Combine two columns of text in pandas dataframe
...concatenate them directly:
df["period"] = df["Year"] + df["quarter"]
If one (or both) of the columns are not string typed, you should convert it (them) first,
df["period"] = df["Year"].astype(str) + df["quarter"]
Beware of NaNs when doing this!
If you need to join multiple string columns, y...
.NET obfuscation tools/strategy [closed]
My product has several components: ASP.NET, Windows Forms App and Windows Service. 95% or so of the code is written in VB.NET.
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What does static_assert do, and what would you use it for?
...ary::Version is declared as a static const, rather than being #defined (as one would expect in a C++ library).
Contrast with having to actually compile SomeLibrary and your code, link everything, and run the executable only then to find out that you spent 30 minutes compiling an incompatible versio...
Is it abusive to use IDisposable and “using” as a means for getting “scoped behavior” for exception
...most of us do not code from a purist perspective, but from a semi-artistic one. Using the 'using' construct in this way is quite artistic indeed, in my opinion.
You should probably stick another interface on top of IDisposable to push it a bit further away, explaining to other developers why that ...
How do I align views at the bottom of the screen?
...do not mix very well. If you have to much content to display everything on one page just use a linearlayout and put in the bottom view last. If you want the view to appear last in the scrollview on small screens and at the bottom of the page on bigger phones consider using different layout files and...
What causes java.lang.IncompatibleClassChangeError?
...at's known as "binary backward compatibility". Updating dependency jars alone ideally shouldn't break the application or the build. If you do have to break binary backward compatibility, it's recommended to increase the major version number (e.g. from 1.x.y to 2.0.0) before releasing the change.
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Difference between >>> and >>
...(because the most significant bit has negative weight). Shifting it right one bit using arithmetic shift would give you 11111111, or -1. Logical right shift, however, does not care that the value could possibly represent a signed number; it simply moves everything to the right and fills in from th...
Why Would I Ever Need to Use C# Nested Classes [duplicate]
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One more example that MS doesn't adhere to its own recommendation: Just see System.Windows.Forms.ListView nested classes!
– Mehrdad Afshari
Jul 5 '09 at 2:24
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Natural Sort Order in C#
Anyone have a good resource or provide a sample of a natural order sort in C# for an FileInfo array? I am implementing the IComparer interface in my sorts.
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