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Build .so file from .c file using gcc command line
...eate the .so file:
gcc hello.o -shared -o libhello.so
EDIT: Suggestions from the comments:
You can use
gcc -shared -o libhello.so -fPIC hello.c
to do it in one step. – Jonathan Leffler
I also suggest to add -Wall to get all warnings, and -g to get debugging information, to your gcc command...
How can you list the matches of Vim's search?
...e f -name '*.pm' -o -name '*.pl'`
"
" how-to search for the "srch" from the current dir recursively in the shell
" vim -c ':vimgrep /srch/ `find . -type f \| grep -v .git \| grep -v .log`'
"
" how-to highlight the after the search the searchable string
" in normmal mode press...
Multiple working directories with Git?
...hare
which is not always mounted, you can prevent its administrative files from
being pruned by issuing the git worktree lock command, optionally
specifying --reason to explain why the working tree is locked.
<worktree>: If the last path components in the working tree's path is unique among ...
Can we make unsigned byte in Java
...is unsigned".
As primitives are signed the Java compiler will prevent you from assigning a value higher than +127 to a byte (or lower than -128). However, there's nothing to stop you downcasting an int (or short) in order to achieve this:
int i = 200; // 0000 0000 0000 0000 0000 0000 1100 1000 (20...
What is the HMVC pattern?
...their own widget structures or library files, or pulling in unrelated data from the main requested Controller to push through to the View and render in a partial. None of these are particularly good options, because the responsibility of rendering a particular piece of content or loading required da...
Deep null checking, is there a better way?
...
@John: We get this feature request almost entirely from our most experienced programmers. The MVPs ask for this all the time. But I understand that opinions vary; if you'd like to give a constructive language design suggestion in addition to your criticism, I'm happy to consi...
Why does “return list.sort()” return None, not the list?
...ntjenks/python-sortedcontainers In my, was already thinking of refactoring from a list to a set, since I didn't want duplicates, and was then looking for a SortedSet implementation, and didn't find one in collections module... Source: stackoverflow.com/questions/5953205/…
– J...
StringLength vs MaxLength attributes ASP.NET MVC with Entity Framework EF Code First
...cide how large to make a string value field when it creates the database.
From MSDN:
Specifies the maximum length of array
or string data allowed in a property.
StringLength is a data annotation that will be used for validation of user input.
From MSDN:
Specifies the minimum and maximu...
Calling class staticmethod within the class body?
When I attempt to use a static method from within the body of the class, and define the static method using the built-in staticmethod function as a decorator, like this:
...
Applicatives compose, monads don't
...lies essentially on the extra power of (>>=) to choose a computation from a value, and that can be important. However, supporting that power makes monads hard to compose. If we try to build ‘double-bind’
(>>>>==) :: (Monad m, Monad n) => m (n s) -> (s -> m (n t)) ->...