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Using lambda expressions for event handlers
... anonymous functions that look the same (w.l.o.g. have an empty body), and then I unregister (using -=) another anonymous function that too has an empty body, it is essentially undefined which of the two event handlers will be removed, or whether any of them will be removed at all?
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Reading a string with scanf
...p;string) passes a pointer-to-char[256], but it points to the same place.
Then scanf, when processing the tail of its argument list, will try to pull out a char *. That's the Right Thing when you've passed in string or &string[0], but when you've passed in &string you're depending on someth...
Learning to write a compiler [closed]
...ion (if you want), which is the heart of a compiler. The bottom half will then take that intermediate representation and generate the bytes needed to run the program on a specific architecture. For example, the the bottom half will take your intermediate representation and generate a PE executable...
What's the best way to parse command line arguments? [closed]
...standard arguments passed to the script (sys.argv[1:])
options.query will then be set to the value you passed to the script.
You create a parser simply by doing
parser = optparse.OptionParser()
These are all the basics you need. Here's a complete Python script that shows this:
import optparse...
C/C++ Struct vs Class
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Using cpp keywords in your c code and then claiming it is not cpp compatible is rather stupid
– Dani
Apr 16 '16 at 22:36
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round() for float in C++
...ys were few. It remains here as an ode to heroes who lived and fought back then and for those poor souls who still are unable to use modern tools.
– Andreas Magnusson
Feb 12 '14 at 13:40
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What is the difference between a framework and a library?
...y subclassing or
by plugging in your own classes. The
framework's code then calls your code
at these points.
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Java Synchronized Block for .class
...you have a static method and we don't want to synchronize all of its body, then we synchronized(this) is not good, instead synchronized(Foo.class) is appropriate. Is that right?
– krupal.agile
May 15 '19 at 13:37
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Checking out Git tag leads to “detached HEAD state”
..., HEAD will point to master which in turn will point to a commit. When you then do something like git checkout experimental, you switch the HEAD to point to the experimental branch which might point to a different commit.
Now the explanation.
When you do a git checkout v2.0, you are switching to ...
RESTful URL design for search
.../garage[id=1-20,101-103,999,!5]/cars[color=red,blue,black;doors=3]
You can then construct more complex search queries. (Look at CSS3 attribute matching for the idea of matching substrings. E.g. searching users containing "bar" user*=bar.)
Conclusion
Anyway, this might be the most important part fo...