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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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AngularJS: Understanding design pattern
...hQuery = queryParams.substring || searchQuery;
return searchResource.fetch(searchQuery, page, itemsPerPage).then( function (results) {
totalPages = results.totalPages;
currentPage = results.currentPage;
allLoaded = totalPages <= currentPage;
return results.list
}...
Using IQueryable with Linq
... against a remote database, with many ORM systems, you have the option of fetching data from a table in two ways, one which returns IEnumerable<T>, and one which returns an IQueryable<T>. Say, for example, you have a Products table, and you want to get all of the products whose cost is ...
Where do you store your salt strings?
...lted-hash of the password. The application is aware of this design so can fetch this data, and obtain the salt and salted-password hash.
My rationale for this approach:
If the password/hash data is compromised and falls into the hands of an attacker, the attacker will not know what the salt is fro...
How to generate a random number in C++?
...ing symmetric keys, asymmetric private keys, salt values, security tokens, etc.
However security-grade random numbers is a separate industry worth a separate article.
In most cases Pseudo-Random Number Generator is sufficient - e.g. for scientific simulations or games. In some cases consistently def...
How to convert a number to string and vice versa in C++
...such as std::endl, std::hex and functions std::setw(), std::setprecision() etc. with string streams in exactly the same manner as with cout
Do not confuse std::ostringstream with std::ostrstream. The latter is deprecated
Use boost lexical cast. If you are not familiar with boost, it is a good idea ...
What are the differences between local branch, local tracking branch, remote branch and remote track
...our remote tracking branch to be in sync with the remote branch using git fetch or git pull.
git pull origin myNewBranch # Pulls new commits from branch "myNewBranch"
# on remote "origin" into remote tracking
# branch on your m...