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How to turn on (literally) ALL of GCC's warnings?
... I'm afraid it is not practical. Gcc has shown me warnings from std lib.
– Valentin Heinitz
Sep 5 '16 at 8:27
13
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Which kind of pointer do I use when?
...so the last time I wrote C++ for a living, std::auto_ptr was all the std lib had available, and boost::shared_ptr was all the rage. I never really looked into the other smart pointer types boost provided. I understand that C++11 now provides some of the types boost came up with, but not all of t...
How do I uniquely identify computers visiting my web site?
... unlikely to ever completely work. An enterprising developer might write a library which does all the hard work, and enable people searching for a "quick solution" to benefit in the future.
– Jonathan
Jul 27 '17 at 10:37
...
What Haskell representation is recommended for 2D, unboxed pixel arrays with millions of pixels?
...is a good place to start if you already know Haskell arrays, or the vector library. The key stepping stone is the use of shape types instead of simple index types, to address multidimensional indices (and even stencils).
The repa-io package includes support for reading and writing .bmp image files,...
What does “Could not find or load main class” mean?
... I had this problem when I was trying to run a Class with a 3rd party library. I invoked java like this: java -cp ../third-party-library.jar com.my.package.MyClass; this does not work, instead it is necessary to add the local folder to the class path as well (separated by :, like this: java -cp...
Do I need dependency injection in NodeJS, or how to deal with …?
...e your MyDbConnection module.
SuperCoolWebApp.js:
var dbCon = require('./lib/mydbconnection'); //wherever the file is stored
//now do something with the connection
var connection = dbCon.fetchConnection(); //mydbconnection.js is responsible for pooling, reusing, whatever your app use case is
//c...
Spring DAO vs Spring ORM vs Spring JDBC
...
The spring-dao lib stopped in version 2.0.8 (January 2008). The classes in spring-dao were copied to spring-tx. So, if you need a class that you find in spring-dao, add the dependency to spring-tx instead. (Source.)
...
How to generate a random number in C++?
...d()/rand()/time() functions that was used in the question:
#include <stdlib.h>
#include <time.h>
#include <stdio.h>
int main(void)
{
unsigned long j;
srand( (unsigned)time(NULL) );
for( j = 0; j < 100500; ++j )
{
int n;
/* skip rand() readings ...
Creating an API for mobile applications - Authentication and Authorization
...ar applications) to change authorisation levels
The client side security library/application
For each supported platform (e.g.
Symbian, Android, iOS etc) create a
suitable implementation of the
security library in the native
language of the platform (e.g. Java,
ObjectiveC, C etc)
The library
sh...
How to use Servlets and Ajax?
...specially Internet Explorer versus others), there are plenty of JavaScript libraries out which simplifies this in single functions and covers as many as possible browser-specific bugs/quirks under the hoods, such as jQuery, Prototype, Mootools. Since jQuery is most popular these days, I'll use it in...