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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...
When to Redis? When to MongoDB? [closed]
...eds to be done on the application site (e.g. using a hash-function, Modulo etc.). Scaling MongoDB by comparison is much simpler.
When to use MongoDB
Prototyping, Startups, Hackathons
MongoDB is perfectly suited for rapid prototyping. Nevertheless, performance isn't that good. Also keep in mind ...
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...
Peak signal detection in realtime timeseries data
...ficient function; threshold margin so the signal doesn't switch too often, etc.).
– Jean-Paul
Aug 1 '17 at 11:40
...
Why is it common to put CSRF prevention tokens in cookies?
...ie will be submitted for every request (i.e. all GETs for images, CSS, JS, etc, that are not involved in the CSRF process) increasing request size.
Cookie cannot be HTTP Only.
So the cookie approach is fairly dynamic offering an easy way to retrieve the cookie value (any HTTP request) and to use i...
What is a raw type and why shouldn't we use it?
...ing <?> as a type parameter?
List<Object>, List<String>, etc are all List<?>, so it may be tempting to just say that they're just List instead. However, there is a major difference: since a List<E> defines only add(E), you can't add just any arbitrary object to a List&l...
Why is x86 ugly? Why is it considered inferior when compared to others? [closed]
...on is often to look at the flags register to check for overflow, sign bit, etc. If there's another add after that, it's very difficult to tell whether it's safe to begin execution of the 2nd add before the outcome of the 1st add is known.
On a RISC architecture, the add instruction would specify th...
What is “rvalue reference for *this”?
...ue- or rvalue-reference, just like const function qualifier makes it const etc..
– bronekk
Feb 1 '12 at 22:28
...
How to use Servlets and Ajax?
...vletException, IOException {
String text = "some text";
response.setContentType("text/plain"); // Set content type of the response so that jQuery knows what it can expect.
response.setCharacterEncoding("UTF-8"); // You want world domination, huh?
response.getWriter().write(text); ...