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What's a correct and good way to implement __hash__()?
...no practical use in this context because the builtin Python string types already provide a __hash__ method; we don't need to roll our own. The question is how to implement __hash__ for a typical user-defined class (with a bunch of properties pointing to built-in types or perhaps to other such user-d...
What does the tilde before a function name mean in C#?
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They're both correct, depending on which C# spec you read. The most recent MS one (unified C# 3.0) refers to them as destructors (e.g. section 10.13) but the ECMA spec refers to them as finalizers.
– Jon Skeet
Oct 9 '08 at 19:10
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get list from pandas dataframe column
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Assuming the name of the dataframe after reading the excel sheet is df, take an empty list (e.g. dataList), iterate through the dataframe row by row and append to your empty list like-
dataList = [] #empty list
for index, row in df.iterrows():
mylist = [row.cl...
What does -fPIC mean when building a shared library?
...Code", it is a specialization of the fpic for m68K and SPARC.
Edit: After reading page 11 of the document referenced by 0x6adb015, and the comment by coryan, I made a few changes:
This option only makes sense for shared libraries and you're telling the OS you're using a Global Offset Table, GOT. ...
How to add Active Directory user group as login in SQL Server
... for DataAccess group and set the login's user mapping to have public, datareader, and datawriter access on a database. The user can't log in. If I add the user specifically, and assign the exact same mapping permission, then he can log in. When I click on Securables > Effective Permissions fo...
In PHP what does it mean by a function being binary-safe?
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maybe I got confused because I was reading the redis protocol for "bulk strings" and it said that they represent a "single binary binary safe" string. I think I understand your post correctly now. However, does it makes sense to say that a string is "binary sa...
How can I combine flexbox and vertical scroll in a full-height app?
...ou have a good reason to do something more complicated - they're easier to read and cover most of the behaviors you'll want to invoke.
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Persistence unit as RESOURCE_LOCAL or JTA?
...sted in learning the Java Persistence API - please do yourself a favor and read the full article here: JPA Concepts: JPA 101.
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Merge a Branch into Trunk
...lot of extraneous info. There's a reason why the abstract of studies get read orders of magnitude more than any other part of a study. The same goes for UX testing, minimizing bounce rates, etc. It's all the same principle.
– ahnbizcad
Oct 17 '15 at 4:21
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Concatenate two slices in Go
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@Toad: It doesn't actually spread them out. In the foo() example above, the is parameter holds a copy of the original slice, which is to say it has a copy of the light-weight reference to the same underlying array, len and cap. If the foo function alters...