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Generating an MD5 checksum of a file
Is there any simple way of generating (and checking) MD5 checksums of a list of files in Python? (I have a small program I'm working on, and I'd like to confirm the checksums of the files).
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Foreign Key to multiple tables
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You have a few options, all varying in "correctness" and ease of use. As always, the right design depends on your needs.
You could simply create two columns in Ticket, OwnedByUserId and OwnedByGroupId, and have nullable Foreign Keys to each table.
You could create M:M referen...
Should one call .close() on HttpServletResponse.getOutputStream()/.getWriter()?
...its thing you should create a wrapper extending HttpServletResponseWrapper and buffer the output. This is to keep the output from going directly to the client but also allows you to protect if the servlet closes the stream, as per this excerpt (emphasis mine):
A filter that modifies a response ...
In HTML5, should the main navigation be inside or outside the element?
...e's masthead <header> element. For websites having both secondary and main navigation, it seems common to include the secondary navigation as a <nav> element inside the masthead <header> element with the main navigation as a <nav> element outside the masthead <he...
What is the behavior difference between return-path, reply-to and from?
... delivery
{C}QUIT
{S}221 Service closing transmission channel
Where {C} and {S} represent Client and Server commands, respectively.
The recipient's mail would look like:
Return-Path: coolstuff-you=yourcompany.com@mymailinglist.com
From: <coolstuff@mymailinglist.com>
To: <you@yourcompa...
Should I compile release builds with debug info as “full” or “pdb-only”?
..., or pdb-only. Based on the answer to this question , I believe I understand some of the differences between full and pdb-only. However, which is more appropriate for a release build? If I use "full" will there be performance ramifications? If I use "pdb-only" will it be harder to debug product...
What use is find_package() if you need to specify CMAKE_MODULE_PATH anyway?
...ing CMake. Now the software has a few dependencies. I compiled them myself and installed them on my system.
4 Answers
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Foreign key constraints: When to use ON UPDATE and ON DELETE
...ma using MySQL Workbench, which is pretty cool because you can do diagrams and it converts them :P
3 Answers
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Why is String.chars() a stream of ints in Java 8?
...d, the design decision behind this was to prevent the explosion of methods and classes.
Still, personally I think this was a very bad decision, and there should, given they do not want to make CharStream, which is reasonable, different methods instead of chars(), I would think of:
Stream<Chara...
When should I use jQuery deferred's “then” method and when should I use the “pipe” method?
...d. The deferred.then() method, which replaces it, should be used instead.
and
As of jQuery 1.8, the deferred.then() method returns a new promise that can filter the status and values of a deferred through a function, replacing the now-deprecated deferred.pipe() method.
The examples below might st...