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What is (functional) reactive programming?
... Thomas K does in another answer (graphs, nodes, edges, firing, execution, etc).
There are many possible implementation styles, but no implementation says what FRP is.
I do resonate with Laurence G's simple description that FRP is about "datatypes that represent a value 'over time' ".
Conventional ...
Eclipse Workspaces: What for and why?
...you also do that for library functions, auto-completion, existing methods, etc. ? I am further interested how you use working sets. @DuncanKrebs, I didn't know the import/export feature of preferences. Thanks! That does solve a big deal of how to use workspaces. Thanks, both of you. And don't stop...
How does having a dynamic variable affect performance?
... object again, and if the object is the same type as it was last time, it fetches the delegate out of the cache and invokes it. If the object is of a different type then the cache misses, and the whole process starts over again; we do semantic analysis of the call and store the result in the cache.
...
Is git's semi-secret empty tree object reliable, and why is there not a symbolic name for it?
... However, I would feel pretty confident using the hash in .bashrc aliases, etc., and I don't think it will change anytime soon. At the very least it would probably be a major release of git.
The two ways are:
The answer above: git hash-object -t tree --stdin < /dev/null
Simply initing an empty...
Can you explain the HttpURLConnection connection process?
... like getInputStream, getOutputStream, getResponseCode, getResponseMessage etc.
Here is the packet exchange captured when I try to write a small program to upload file to Dropbox.
Below is my toy program and annotation
/* Create a connection LOCAL object,
* the openConnection() functi...
Why is volatile not considered useful in multithreaded C or C++ programming?
...ake concurrent access to
data safe (spinlocks, mutexes, memory barriers, etc.) are designed to
prevent unwanted optimization. If they are being used properly, there
will be no need to use volatile as well. If volatile is still
necessary, there is almost certainly a bug in the code somewher...
Making custom right-click context menus for my web-app
...
Note: you might see some small bugs (dropdown far from the cursor, etc), please make sure that it works in the jsfiddle, as that's more similar to your webpage than StackSnippets might be.
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xkcd style graphs in MATLAB
...hat involves inheriting from the handle class, using events and listeners, etc. For now, here are my simpler implementations:
xkcd_axes.m:
function hAxes = xkcd_axes(xkcdOptions, varargin)
hAxes = axes(varargin{:}, 'NextPlot', 'add', 'Visible', 'off', ...
'XLimMode', 'manual', 'Y...
What belongs in an educational tool to demonstrate the unwarranted assumptions people make in C/C++?
...orge.net) which allowed you to compile C into Lua, Javascript, Perl, LISP, etc. It ruthlessly exploited the undefined behaviour in the C standard to make pointers work. It may be interesting to try this test on it.
– David Given
Aug 11 '10 at 12:29
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Is either GET or POST more secure than the other?
...ssignment vulnerability in various frameworks: ASP.NET MVC, Ruby on Rails, etc.). There is no single thing that will make the difference between "secure" (not exploitable) and "not secure".
Over HTTPS, POST data is encoded, but could URLs be sniffed by a 3rd party?
No, they can’t be sniffed. B...