Tutorial by Examples: me

This example shows multiple producers and consumers sharing the same buffer. Protected entries in Ada implement a queue to handle waiting tasks. The default queuing policy is First In First Out. ------------------------------------------------------------------ -- Multiple producers and consumers ...

The :{ instruction begins multi-line mode and :} ends it. In multi-line mode GHCi will interpret newlines as semicolons, not as the end of an instruction. ghci> :{ ghci| myFoldr f z [] = z ghci| myFoldr f z (y:ys) = f y (myFoldr f z ys) ghci| :} ghci> :t myFoldr myFoldr :: (a -> b -&g...

The two most common HTTP methods are GET and POST. Flask can run different code from the same URL dependent on the HTTP method used. For example, in a web service with accounts, it is most convenient to route the sign in page and the sign in process through the same URL. A GET request, the same that...

To view your installed packages or themes, open settings with Ctrl+, and select either the "Packages" or "Themes" tab in the left-hand navigation bar. Note, the packages or themes you installed from other publishers will show up under the "Community Themes" section and ...

Find-Module -Name <Name>

Install-Module -Name <name>

Uninstall-Module -Name <Name> -RequiredVersion <Version>

Update-Module -Name <Name>

This function lets you write messages to your log files. You must supply one of three "levels" in the first parameter, indicating what type of message it is (debug, error, info), with the message itself in the second parameter. Example: if ($some_var == "") { log_message('...

RunTime Type Services (short: RTTS) are used either for: creating types (RunTime Type Creation; short: RTTC) analysing types (RunTime Type Identification; short: RTTI) Classes CL_ABAP_TYPEDESCR | |--CL_ABAP_DATADESCR | | | |--CL_ABAP_ELEMDESCR | |--CL_ABAP_REFDESCR ...

Person Microdata <section itemscope itemtype="http://schema.org/Person"> Hello, my name is <span itemprop="name">John Doe</span>, I am a <span itemprop="jobTitle">Graduate research assistant</span> at the <span itempr...

The continue statement in Objective-C programming language works somewhat like the break statement. Instead of forcing termination, however, continue forces the next iteration of the loop to take place, skipping any code in between. For the for loop, continue statement causes the conditional test a...

import socket import hashlib import os import time import itertools import threading import sys import Crypto.Cipher.AES as AES from Crypto.PublicKey import RSA from CryptoPlus.Cipher import IDEA #server address and port number input from admin host= raw_input("Server Address - &gt...

import time import socket import threading import hashlib import itertools import sys from Crypto import Random from Crypto.PublicKey import RSA from CryptoPlus.Cipher import IDEA #animating loading done = False def animate(): for c in itertools.cycle(['....','.......','..........'...

send() is used to pass message to object. send() is an instance method of the Object class. The first argument in send() is the message that you're sending to the object - that is, the name of a method. It could be string or symbol but symbols are preferred. Then arguments those need to pass in met...

The Laravel framework has a few system requirements. Of course, all of these requirements are satisfied by the Laravel Homestead virtual machine, so it's highly recommended that you use Homestead as your local Laravel development environment. However, if you are not using Homestead, you will need t...

If you have PHP installed locally and you would like to use PHP's built-in development server to serve your application, you may use the serve Artisan command. This command will start a development server at http://localhost:8000: php artisan serve Of course, more robust local development option...

Bullet This one particularly blew my mind. The bullet gem helps you kill all the N+1 queries, as well as unnecessarily eager loaded relations. Once you install it and start visiting various routes in development, alert boxes with warnings indicating database queries that need to be optimized will p...

It's entirely possible to use PICO-8 as an interactive shell, but you probably want to tap into the game loop. In order to do that, you must create at least one of these callback functions: _update() _update60() (after v0.1.8) _draw() A minimal "game" might simply draw something on...

If you want a title screen or an endgame screen, consider setting up a mode switching mechanism: function _init() mode = 1 end function _update() if (mode == 1) then if (btnp(5)) mode = 2 elseif (mode == 2) then if (btnp(5)) mode = 3 end end function _draw() cls() ...