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How to check whether a script is running under Node.js?
...
By looking for CommonJS support, this is how the Underscore.js library does it:
Edit: to your updated question:
(function () {
// Establish the root object, `window` in the browser, or `global` on the server.
var r...
When is std::weak_ptr useful?
...ts and it points to nullptr when the object pointed is deleted/not pointed by any other pointers anymore?
– user1434698
Aug 19 '12 at 23:16
30
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What is the difference between POST and GET? [duplicate]
... web applications. One reason for this is that GET may be used arbitrarily by robots or crawlers, which should not need to consider the side effects that a request should cause.
and
POST submits data to be processed (e.g., from an HTML form) to the identified resource. The data is included in...
What is the http-header “X-XSS-Protection”?
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X-XSS-Protection is a HTTP header understood by Internet Explorer 8 (and newer versions).
This header lets domains toggle on and off the "XSS Filter" of IE8, which prevents some categories of XSS attacks.
IE8 has the filter activated by default, but servers can switch i...
Circle line-segment collision detection algorithm?
...Vector from center sphere to ray start )
Then the intersection is found by..
Plugging:
P = E + t * d
This is a parametric equation:
Px = Ex + tdx
Py = Ey + tdy
into
(x - h)2 + (y - k)2 = r2
(h,k) = center of circle.
Note: We've simplified the problem to 2D here, the solution we get applies ...
Can git undo a checkout of unstaged files
... yet added (staged), it is purely "private".
Meaning it cannot be restored by GIT if overwritten with the index or the HEAD version (unless you have a copy of your current work somewhere).
A "private" content is one only visible in your current directory, but not registered in any way in Git.
Note: ...
Realistic usage of the C99 'restrict' keyword?
...liminates the potential for pointer aliasing, enabling better optimization by the compiler.
For instance, suppose I have a machine with specialized instructions that can multiply vectors of numbers in memory, and I have the following code:
void MultiplyArrays(int* dest, int* src1, int* src2, int n...
pycharm running way slow
I'm a big fan of PyCharm by JetBrains but I do run into some issues that I thought maybe I'll ask here about.
9 Answers
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use Winmerge inside of Git to file diff
...ne 2012 (2-and-a-half years later):
Comparing directories instead of file-by-file will be available soon:
See [ANNOUNCE] Git 1.7.11.rc1:
"git difftool" learned the "--dir-diff" option to spawn external diff tools that can compare two directory hierarchies at a time after populating two temporar...
Efficient way to return a std::vector in c++
...1, this is the preferred way:
std::vector<X> f();
That is, return by value.
With C++11, std::vector has move-semantics, which means the local vector declared in your function will be moved on return and in some cases even the move can be elided by the compiler.
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