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How can I use “sizeof” in a preprocessor macro?
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Following snippets will produce no code if sizeof(someThing) equals PAGE_SIZE; otherwise they will produce a compile-time error.
1. C11 way
Starting with C11 you can use static_assert (requires #include <assert.h>).
Usage:
static_assert(sizeof(someThing) == PAGE_SIZE, "Data structure do...
What is the purpose of AsQueryable()?
...emory data source so that you can more easily test methods that will eventually be used on a non-enumerable based IQueryable.
You can write helper methods for manipulating collections that can apply to either in-memory sequences or external data sources. If you write your help methods to use IQuery...
How to turn off INFO logging in Spark?
I installed Spark using the AWS EC2 guide and I can launch the program fine using the bin/pyspark script to get to the spark prompt and can also do the Quick Start quide successfully.
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not None test in Python [duplicate]
...r of the latter two, since val could potentially be of a type that defines __eq__() to return true when passed None.
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lenses, fclabels, data-accessor - which library for structure access and mutation is better
...f these libraries also provide a bunch of extra combinators on top, and usually some form of template haskell machinery to automatically generate lenses for the fields of simple record types.
With that in mind, we can turn to the different implementations:
Implementations
fclabels
fclabels is pe...
Difference between $(document.body) and $('body')
...tatement is not completely correct. They may refer to the same element. Usually even. But not always :). See my answer below.
– jvenema
Feb 28 '18 at 22:28
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Scala: Nil vs List()
In Scala, is there any difference at all between Nil and List() ?
3 Answers
3
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Convert PEM to PPK file format
...w has the ability to create SSH Keys for Linux servers. This function will allow the user to create multiple custom keys by selecting the "My Account/Key Management" option. Once the key has been created the user will be required to select the desired SSH Key during the “Create Server” process f...
Globally catch exceptions in a WPF application?
...ication where parts of it may throw exceptions at runtime. I'd like to globally catch any unhandled exception and log them, but otherwise continue program execution as if nothing happened (kinda like VB's On Error Resume Next ).
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jQuery: Can I call delay() between addClass() and such?
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$(this).removeClass("error").dequeue();
});
The reason you need to call next or dequeue is to let jQuery know that you are done with this queued item and that it should move on to the next one.
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