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Understanding the Gemfile.lock file
After running the bundle install command, 'Gemfile.lock ' is created in the working directory. What do the directives inside that file mean?
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How do I fix the Visual Studio compile error, “mismatch between processor architecture”?
...project configuration in Visual Studio 2010, but I've done some research and still can't quite figure this issue out. I have a Visual Studio solution with a C++ DLL referencing the C# DLL. The C# DLL references a few other DLLs, some within my project and some external. When I try to compile the C...
Why would a static nested interface be used in Java?
... above example is redundant (a nested interface is automatically "static") and can be removed with no effect on semantics; I would recommend it be removed. The same goes for "public" on interface methods and "public final" on interface fields - the modifiers are redundant and just add clutter to the...
In C# what is the difference between ToUpper() and ToUpperInvariant()?
In C#, what is the difference between ToUpper() and ToUpperInvariant() ?
6 Answers
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How to bring back “Browser mode” in IE11?
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[UPDATE]
The original question, and the answer below applied specifically to the IE11 preview releases.
The final release version of IE11 does in fact provide the ability to switch browser modes from the Emulation tab in the dev tools:
Having said that,...
Hashing a file in Python
...g our hashes of this bad boy in 64kb chunks as we go along with hashlib's handy dandy update method. This way we use a lot less memory than the 2gb it would take to hash the guy all at once!
You can test this with:
$ mkfile 2g bigfile
$ python hashes.py bigfile
MD5: a981130cf2b7e09f4686dc273cf7187...
What's Pros and Cons: putting javascript in head and putting just before the body close
Most of javascript and web development books/articles says that you must put CSS in the head tag and javascript at the bottom of the page.
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What's the difference between comma separated joins and join on syntax in MySQL? [duplicate]
...is no difference at all.
Second representation makes query more readable and makes it look very clear as to which join corresponds to which condition.
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What's the difference between QMainWindow, QWidget and QDialog?
What's the difference between QMainWindow, QWidget and QDialog?
2 Answers
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Explaining Python's '__enter__' and '__exit__'
...nt.
The idea is that it makes it easy to build code which needs some 'cleandown' code executed (think of it as a try-finally block). Some more explanation here.
A useful example could be a database connection object (which then automagically closes the connection once the corresponding 'with'-sta...