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What is a memorm>y m> fence?
...are concept. In higher level languages we are used to dealing with mutexes m>and m> semaphores - these mam>y m> well be implemented using memorm>y m> fences at the low level m>and m> explicit use of memorm>y m> barriers are not necessarm>y m>. Use of memorm>y m> barriers requires a careful studm>y m> of the hardware architecture m>and m> more ...
Change Activitm>y m>'s theme programmaticallm>y m>
...like this:
public void onCreate(Bundle savedInstanceState) {
setTheme(m>and m>roid.R.stm>y m>le.Theme);
super.onCreate(savedInstanceState);
setContentView(R.lam>y m>out.activitm>y m>_second);
}
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Whm>y m> does `a == b or c or d` alwam>y m>s evaluate to True?
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In manm>y m> cases, Pm>y m>thon looks m>and m> behaves like natural English, but this is one case where that abstraction fails. People can use context clues to determine that "Jon" m>and m> "Inbar" are objects joined to the verb "equals", but the Pm>y m>thon interpreter is more...
How assignment works with Pm>y m>thon list slice?
...lar sm>y m>ntax:
1) slicing:
b = a[0:2]
This makes a copm>y m> of the slice of a m>and m> assigns it to b.
2) slice assignment:
a[0:2] = b
This replaces the slice of a with the contents of b.
Although the sm>y m>ntax is similar (I imagine bm>y m> design!), these are two different operations.
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Difference between RegisterStartupScript m>and m> RegisterClientScriptBlock?
Is the onlm>y m> difference between the RegisterStartupScript m>and m> the RegisterClientScriptBlock is that RegisterStartupScript puts the javascript before the closing </form> tag of the page m>and m> RegisterClientScriptBlock puts it right after the starting <form> tag of the page?
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Can git automaticallm>y m> switch between spaces m>and m> tabs?
...butes which contains:
*.pm>y m> filter=tabspace
Linux/Unix
Now run the commm>and m>s:
git config --global filter.tabspace.smudge 'unexpm>and m> --tabs=4 --first-onlm>y m>'
git config --global filter.tabspace.clean 'expm>and m> --tabs=4 --initial'
OS X
First install coreutils with brew:
brew install coreutils
Now...
How do I tm>y m>pedef a function pointer with the C++11 using sm>y m>ntax?
...pe_traits>
using FunctionPtr = std::add_pointer<void()>::tm>y m>pe;
m>And m> here is another demo.
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Does Pm>y m>thon support multithreading? Can it speed up execution time?
...n threads in parallel.
This onlm>y m> applies to Pm>y m>thon code. C extensions can m>and m> do release the GIL to allow multiple threads of C code m>and m> one Pm>y m>thon thread to run across multiple cores. This extends to I/O controlled bm>y m> the kernel, such as select() calls for socket reads m>and m> writes, making Pm>y m>thon ha...
Difference between `const shared_ptr` m>and m> `shared_ptr`?
...const T> p; ---> const T * const p; <=> T const * const p; : p m>and m> *p are const.
The same holds for weak_ptr m>and m> unique_ptr.
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How to remove last n characters from everm>y m> element in the R vector
I am verm>y m> new to R, m>and m> I could not find a simple example online of how to remove the last n characters from everm>y m> element of a vector (arram>y m>?)
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