Tutorial by Topics: i

Docker is an open-source project that automates the deployment of applications inside software containers. These application containers are similar to lightweight virtual machines, as they can be run in isolation to each other and the running host. Docker requires features present in recent linux...

Lua is minimalistic, lightweight and embeddable scripting language. It's being designed, implemented, and maintained by a team at PUC-Rio, the Pontifical Catholic University of Rio de Janeiro in Brazil. The mailing list is open to get involved. Common use-cases for Lua includes scripting video...

selector match partialFunction selector match {list of case alternatives) // This is most common form of the above ParameterDetailsselectorThe expression whose value is being pattern-matched.alternativesa list of case-delimited alternatives.

svn copy [BRANCH-FROM-URL] [BRANCH-TO-URL] -m <COMMIT-LOG-MESSAGE> svn copy [^/PATH-TO-BRANCH-FROM] [^/PATH-TO-BRANCH-TO] -m <COMMIT-LOG-MESSAGE> As you might have noticed, we use svn copy command to create branches, tags and shelves (we'll skip mentioning tags and shel...

for {clauses} body for {clauses} yield body for (clauses) body for (clauses) yield body ParameterDetailsforRequired keyword to use a for loop/comprehensionclausesThe iteration and filters over which the for works.yieldUse this if you want to create or 'yield' a collection. Using yield wil...

ASDF - Another System Definition Facility ASDF is a tool for specifying how systems of Common Lisp software are made up of components (sub-systems and files), and how to operate on these components in the right order so that they can be compiled, loaded, tested, etc.

lua_State *L = lua_open(); // Create a new VM state; Lua 5.0 lua_State *L = luaL_newstate(); // Create a new VM state; Lua 5.1+ int luaL_dofile(lua_State *L, const char *filename); // Run a lua script with the given filename using the specified lua_State void luaL_openlibs(lua_State *L); // Lo...

A cherry-pick takes the patch that was introduced in a commit and tries to reapply it on the branch you’re currently on. Source: Git SCM Book git cherry-pick [--edit] [-n] [-m parent-number] [-s] [-x] [--ff] [-S[key-id]] commit... git cherry-pick --continue git cherry-pick --quit git cher...

var x int // declare variable x with type int var s string // declare variable s with type string x = 4 // define x value s = "foo" // define s value y := 5 // declare and define y inferring its type to int f := 4.5 // declare and define f inferring its type to float64 b := &quo...

docker run [OPTIONS] IMAGE [COMMAND] [ARG...]

docker rm [OPTIONS] CONTAINER [CONTAINER...] docker attach [OPTIONS] CONTAINER docker exec [OPTIONS] CONTAINER COMMAND [ARG...] docker ps [OPTIONS] docker logs [OPTIONS] CONTAINER docker inspect [OPTIONS] CONTAINER|IMAGE [CONTAINER|IMAGE...] In the examples above, whenever container ...

docker images [OPTIONS] [REPOSITORY[:TAG]] docker inspect [OPTIONS] CONTAINER|IMAGE [CONTAINER|IMAGE...] docker pull [OPTIONS] NAME[:TAG|@DIGEST] docker rmi [OPTIONS] IMAGE [IMAGE...] docker tag [OPTIONS] IMAGE[:TAG] [REGISTRYHOST/][USERNAME/]NAME[:TAG]

Data in the world started to grow tremendously after mobile application came in the market. This huge amount of data became almost impossible to handle with traditional relational database - SQL. NoSQL databases are introduced to handle those data where much more flexibility came like variable n...

ViewPager is a Layout manager that allows the user to flip left and right through pages of data. It is most often used in conjunction with Fragment, which is a convenient way to supply and manage the lifecycle of each page. One important thing to note about ViewPager usage is that there are tw...