Tutorial by Examples: p

The following function finds the maximal element in an array: int find_max(const int *array, size_t len) { int max = INT_MIN; for (size_t i = 0; i < len; i++) { if (max < array[i]) { max = array[i]; } } return max; } The input size is the...

The following function checks if an array has any duplicates by taking each element, then iterating over the whole array to see if the element is there _Bool contains_duplicates(const int *array, size_t len) { for (int i = 0; i < len - 1; i++) { for (int j = 0; j < len; j++) { ...

Anonymous functions can be used for functional programming. The main problem to solve is that there is no native way for anchoring a recursion, but this can still be implemented in a single line: if_ = @(bool, tf) tf{2-bool}(); This function accepts a boolean value and a cell array of two functi...

Use the package percolate:synced-cron Define a job: SyncedCron.add({ name: 'Find new matches for a saved user filter and send alerts', schedule: function(parser) { // parser is a later.parse object return parser.text('every 10 minutes'); }, job: function() { user.alerts...

Since lots of beginners are confused about cloud hosting.I am writing this guide to walk through setting meteor on aws with ubuntu os. If you already have your instance running feel free to skip this step and go straight to installing meteor on aws. Login into AWS Console.Select EC2. Go to EC2 Dash...

The Keep-Alive extension to HTTP/1.0 and the persistent connection feature of HTTP/1.1 provide long-lived HTTP sessions which allow multiple requests to be sent over the same TCP connection. In some cases this has been shown to result in an almost 50% speedup in latency times for HTML documents ...

Some examples for a window of size 3: ;; Naïve attempt: (loop for (first second third) on '(1 2 3 4 5) do (print (* first second third))) ;; prints 6 24 60 then Errors on (* 4 5 NIL) ;; We will try again and put our attempt into a function (defun loop-3-window1 (function list) (loop...

package com.example.xml.adapters; import javax.xml.bind.annotation.adapters.XmlAdapter; public class StringTrimAdapter extends XmlAdapter<String, String> { @Override public String unmarshal(String v) throws Exception { if (v == null) return null; ...

There are two PyCharm editions: Community and Professional. Both are downloadable from JetBrains website. Additionally, there is another edition, PyCharm Edu. JetBrains recommend this edition, if you are learning or teaching Programming with Python. The supported platforms are Windows, Linux and m...

.my-div { width: 300px; height: 200px; background-size: 100%; background-repeat: no-repeat; background-image: linear-gradient(to right, black 0%,white 100%), url('https://static.pexels.com/photos/54624/strawberry-fruit-red-sweet-54624-medium.jpeg'); background-blend-mod...

A common thought pattern for inexperienced Java programmers is that exceptions are "a problem" or "a burden" and the best way to deal with this is catch them all1 as soon as possible. This leads to code like this: .... try { InputStream is = new FileInputStream(fileName);...

You can also add/remove listener imperatively using listen and unlisten method of Polymer <dom-module id="imparative-listener"> <template> <style> #inner{ width: 200px; height: 50px; border: 1px solid ...

Properties with notify:true also fires an event <link rel="import" href="../bower_components/paper-input/paper-input.html"> <dom-module id="property-change-event"> <template> <style></style> <paper-input id="input&quo...

Detailed instructions on getting datepicker set up or installed.

Almost any MPI call returns an integer error code, which signifies the success of the operation. If no error occurs, the return code is MPI_SUCCESS: if (MPI_Some_op(...) != MPI_SUCCESS) { // Process error } If an error occurs, MPI calls an error handler associated with the communicator, ...

When using vim from the command line, you can suspend vim and get back to your prompt, without actually quitting vim. Hence you will later be able to get back your vim session from the same prompt. When in Normal mode (if not, press esc to get there), issue either of these commands: :stenter :s...

An example of a class that contains a parcelable class inside: public class Repository implements Parcelable { private String name; private Owner owner; private boolean isPrivate; public Repository(String name, Owner owner, boolean isPrivate) { this.name = name; ...

On windows Navigate to http://www.lfd.uci.edu/~gohlke/pythonlibs/#pygame – an unofficial site providing windows binaries of open-source python packages for the official CPython distribution by Christoph Gohlke. Download the appropriate pygame .whl file according to your installed python ve...

get-childitem | foreach-object { if ($_.IsReadOnly) { return } } Pipeline cmdlets (ex: ForEach-Object, Where-Object, etc) operate on closures. The return here will only move to the next item on the pipeline, not exit processing. You can use break instead of return if you want to exit processing...

Inspired by PowerShell: Function doesn't have proper return value function bar { [System.Collections.ArrayList]$MyVariable = @() $MyVariable.Add("a") | Out-Null $MyVariable.Add("b") | Out-Null $MyVariable } The Out-Null is necessary because the .NET ArrayLis...