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How to drive C#, C++ or Java compiler to compute 1+2+3+…+1000 at compile time?
...rFactory implements AnnotationProcessorFactory {
public Collection<String> supportedOptions() {
System.err.println("Called supportedOptions.............................");
return Collections.EMPTY_LIST;
}
public Collection<String> supportedAnnotationTypes() ...
Why can't decimal numbers be represented exactly in binary?
...1/3, 1/9, 1/27, or any rational in decimal notation. We do it by adding an extra symbol. For example, a line over the digits that repeat in the decimal expansion of the number. What we need to represent decimal numbers as a sequence of binary numbers are 1) a sequence of binary numbers, 2) a radix p...
Using :after to clear floating elements
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display: table can add extra spacing; I use display: block instead
– The Cog
Feb 15 '16 at 23:12
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Javascript calculate the day of the year (1 - 366)
... that for 0-based month values, one just needs to remove the -- from --m.
Extra:
Note, don't use this day's per month algorithm if you need just max day's per month. In that case there is a more efficient algorithm (because we only need leepYear when the month is February) I posted as answer this q...
Static files in Flask - robot.txt, sitemap.xml (mod_wsgi)
... achieved.)
it's not clean to add static files into the app root folder
finally, the proposed solution looks much cleaner than the adding middleware approach:
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Optimistic vs. Pessimistic locking
...essential that the data is accurately read, with no un-shown changes - the extra locking overhead is worth it.
Oh, and Microsoft SQL server defaults to page locking - basically the row you're reading and a few either side. Row locking is more accurate but much slower. It's often worth setting your...
Is VB really case insensitive?
...s, when programming you can think of VB.NET as case-insensitive apart from string-comparisons, XML, and a few other situations...
I think you're interested in what's under the hood. Well, the .NET Common Language Runtime is case-sensitive, and VB.NET code relies on the runtime, so you can see it mu...
Exporting functions from a DLL with dllexport
...ain C exports, use a C project not C++. C++ DLLs rely on name-mangling for all the C++isms (namespaces etc...). You can compile your code as C by going into your project settings under C/C++->Advanced, there is an option "Compile As" which corresponds to the compiler switches /TP and /TC.
If you ...
How to shuffle a std::vector?
...n Coliru
Make sure to reuse the same instance of rng throughout multiple calls to std::shuffle if you intend to generate different permutations every time!
Moreover, if you want your program to create different sequences of shuffles each time it is run, you can seed the constructor of the random e...
Most Pythonic way to provide global configuration variables in config.py? [closed]
...a few years old, but I'm a beginner and I think this config file is essentially what I am looking for (maybe too advanced), and I would like to understand it better. Do I just pass initialize ConfigHolder with a dict of configs I'd like to set and pass between modules?
– Jinx
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