11.0: Introduction

Goals for today’s pre-class assignment

  1. Dot Product Review

  2. Matrix Multiply

  3. Identity Matrix

  4. Elementary Matrices

  5. Solving Many Systems (at the same time)

  6. Assignment wrap up

During the head freeze, the Release Engineering Team may create ALPHA snapshots to publish for testing purposes. As the frequency and total number of the ALPHA snapshots will depend on the length of time the head branch is frozen, no official schedule is provided.

Announcements regarding the availability of the ALPHA snapshots will be sent to the freebsd-current and freebsd-snapshots mailing lists.

Initial release schedule announcement

Release Engineers send announcement email to developers with a rough schedule.

Release schedule reminder

Release Engineers send reminder announcement e-mail to developers with updated schedule.

Release Engineers announce that all further commits to the head branch will not require explicit approval, however new features should be avoided.

Release Engineers announce that all further commits to the head branch will require explicit approval. Certain blanket approvals will be granted for narrow areas of development, documentation improvements, etc.

Release Engineers announce that all further commits to the head branch will require explicit approval. Additionally, there can be no changes to the KBI until head is branched to stable/11.

Subversion branch created release engineering continues on this branch.

The code freeze on the head branch is lifted.

Second beta test snapshot.

Fourth beta test snapshot.

Subversion branch created future release engineering proceeds on this branch.

The code freeze on the stable/11 branch is lifted.

26 August 2016
14 September 2016

2 September 2016
21 September 2016

22 September 2016
28 September 2016

9 September 2016
28 September 2016
5 October 2016
10 October 2016

releng/11.0 branch is handed over to the FreeBSD Security Officer Team in one or two weeks after the announcement.

It should be emphasized that this is an introduction to Direct3D 11, shader programming, and game programming it is not an introduction to general computer programming. The reader should satisfy the following prerequisites:

  • High School mathematics: algebra, trigonometry, and (mathematical) functions, for example.
  • Competent with Visual Studio: should know how to create projects, add files, and specify external libraries to link, for example.
  • Intermediate C++ and data structure skills: comfortable with pointers, arrays, operator overloading, linked lists, inheritance and polymorphism, for example.
  • Familiarity with Windows programming with the Win32 API is helpful, but not required we provide a Win32 primer in Appendix A.

Thermal Expansion

The intermolecular forces in liquids are strong enough to keep them from expanding significantly when heated (typically only a few percent over a 100°C temperature range). Thus the volumes of liquids are somewhat fixed. Notice from Table 11.0.1 that the density of water, for example, changes by only about 3% over a 90-degree temperature range.

Table 11.0.1 The Density of Water at Various Temperatures

T (°C) Density (g/cm 3 )
0 0.99984
30 0.99565
60 0.98320
90 0.96535

Desteria 11.0 Introduction

Introducing: Desteria 11.0
Desterians, a new age is upon us and big changes are near. The forest trees are growing taller as time goes on, candles begin to light the cobblestone paths leading to the almighty realms of Desteria. Prepare yourself, prepare your faction. Are you ready for a new era?

  • Desteria has been given a whole new design both on our website and in-game.
  • Global reset all realms will be starting over.
  • Spawner Generators
  • FFA has been revamped
  • New scrolls Resurrection and Statistic scroll.
  • Chest Sell Tool
  • A new, but different realm is arriving.

Try your luck down in our casino cove. Be careful down there.

Spawner Generators
These are going to introduce a whole new strategy for the spawner economy. No longer can mob spawners be directly purchased from the in-game market. Instead, factions must purchase a Spawner Generator and place it down in their base.

  • are purchased from the in-game /market.
  • take 60 minutes to generate one random spawner in the tier.
  • require a nearby player to generate.
  • can hold one spawner at a time.
  • store a generated spawner inside (right click to access its storage).
  • generate 10 spawners before breaking.

NEX Bosses
NEX is back! This time, found in two variations. NEX Bosses now summon hourly in a large, circular quarry located in the wilderness forests.

Use /boss for a countdown until the next boss fight begins. When the event starts, the /boss command will summon you straight to the battle. Be careful out there. these bosses have been heavily buffed and due to improved accessibility, expect a lot of competition from rival factions.

Nex Horsemen
The Nex Horsemen come in a trio. Like previously seen, however, much more powerful and aggressive. You'll need to target three over-powered entities and try to deal the most damage to be rewarded.

Nex Destroyer
Like old times, the original NEX will now lurk Desteria again. With double the health, this one's a big step up from its inferiors: the horsemen.

Desterians will need to work together strategically to take it down. Who will claim its loot?

2x New Scrolls
Two new scrolls will be available to be discovered in supply crates or purchased on the Desteria server store.

Resurrection Scroll

You can now track your weapon, tool, or armor piece's statistics! Simply apply a Statistic Scroll and the item's lore will display the blocks broken, hits taken, or player kills. Who will be the first to hold a 'Player kills: 1000' sword?!

Chest Sell Wand
As highly requested, Desterians can now get their hands on a new tool: the Chest Sell Wand.

These wands have a limited amount of uses, as displayed in the items name. Chest Sell Wands will be available to purchase from the Desteria server store.

  • TNT 384
  • Glowstone 64
  • Dispenser 64
  • Repeater 64
  • Comparator 64
  • Stone Slabs 64
  • Water Buckets 64
  • Glass 64
  • Cobblestone 64
  • Redstone 64
  • Gen Buckets 64
  • Cobwebs 64
  • Diamond Helmet Protection II, Unbreaking III
  • Diamond Chestplate Protection II,Unbreaking III
  • DiamondLeggings Protection II,Unbreaking III
  • DiamondBoots Protection IV,Unbreaking III, Depth Strider III, Feather Falling IV
  • Boats 4
  • Enderpearls 32

Faction Top Rewards
The top 3 factions of each realm will be rewarded at the end of the map with the following Desteria gift card amounts:

To see the leaderboard, simply type /f top in-game.

  • When selecting the Overlord class, you will now keep the same level you were with your previous class.
  • You can now list the players you have ignored with /ignore list.
  • If block glitched, simply type /hit to be inflicted with half a heart of damage to push you out.
  • Level warps are now displayed in the /warp menu.
  • You can now use experience (xp) and tokens in the /trade menu.

FFA Revamp

Terminal is returning to FFA. As well as cookie health regeneration and various other fixes. All other changes are to be discovered when this realm is opened.

A New Realm
What is this? Can you figure it out?

A brand new adventure starts on Desteria one week after 11.0 launch. A dedicated announcement will follow. Are you ready?

Global Reset
That's right! All four Desteria realms will be starting over with a fresh map and all the content announced above!

Desteria's server, website, and store will be closed on Tuesday 19th December 2017 to allow us to start preparing for the 11.0 release. Brand updates will be released during this time.

The big event: Desteria 11.0 starts on:

Map Details
World size: 30,000 x 30,000 blocks.
World radius: 15,000 blocks.

Differences from 3D Lights

There are a number of key differences between the implementation and behavior of 2D Lights and 3D Light, which consists of the following:

New 2D specific components and render pass

The 2D lighting systems includes its own set of 2D Light components, Shader Graph sub-targets and a custom 2D render pass that are specifically designed for 2D lighting and rendering. Editor tooling for the 2D Lights and pass configuration are also included in the package.


The 2D lighting model was designed specifically to work with 2D worlds that are coplanar and multi-layered. A 2D Light does not require depth separation between it and the object it is lighting. The 2D shadow system also works in coplanar and does not require depth separation.

Not physically based

The lighting calculation in 2D Lights is not physics based as it is with 3D Lights. The details of the lighting model calculation can be found here.

No interoperability with 3D Lights and 3D Renderers

Currently both 3D and 2D Lights can only affect 3D and 2D Renderers respectively. 2D Lighting does not work on or effect 3D Renderers such as the Mesh Renderer, while 3D Lighting will similarly have no effect on 2D Renderers such as the Sprite Renderer. While interoperability between the respective Lights and Renderers may be developed in the future, currently a combination of 2D and 3D Lights and 2D and 3D Renderers in a single Scene can be achieved by using the camera stacking technique.

Network Connectivity¶

Given the softwares intended use, network io is crucial. All network io is within the main process in a so called non-blocking manner. To understand nonblocking, imagine you have many pipes infront of you, and these pipes can send you something, and you can put something into the pipe. If you want to put something into a pipe, while it is crowded, you’d have to wait, if you want to get something from a pipe, and there is nothing, you’d have to wait too. Doing this pipe game non-blocking means you won’t wait for the pipes to be write/readable, you’ll get something off the pipes once data arrives, and write once the pipe is not crowded. If you want to write a large chunk to the pipe, and the pipe is crowded after a small piece, you note the rest of the chunk you wanted to write, and wait for the pipe to get ready.

DNS resolves are done using libudns, which is a neat non-blocking dns resolving library with support for AAAA records and chained cnames. So much about non-blocking.

dionaea uses libev to get notified once it can act on a socket, read or write.

dionaea can offer services via tcp/udp and tls for IPv4 and IPv6, and can apply rate limiting and accounting limits per connections to tcp and tls connections - if required.

Reading Objectives

After engaging with these reading materials and learning resources, you should be able to:

  • Describe what stimulant substances are and their effects on humans (amphetamines, methamphetamine, cocaine, caffeine, and tobacco/e-cigarettes)
  • Identify epidemiological patterns related to the use/misuse of different stimulant substances
  • Discuss the potential risks associated polydrug use mixing stimulants with other substances (particularly with alcohol)
  • Define key terms and concepts related to the use of stimulant substances.

ARIMA Example 2: Arima with additive seasonal effects¶

This model is an extension of that from example 1. Here the data is assumed to follow the process:

The new part of this model is that there is allowed to be a annual seasonal effect (it is annual even though the periodicity is 4 because the dataset is quarterly). The second difference is that this model uses the log of the data rather than the level.

Before estimating the dataset, graphs showing:

The first difference of the time series (in logs)

The autocorrelation function

The partial autocorrelation function.

From the first two graphs, we note that the original time series does not appear to be stationary, whereas the first-difference does. This supports either estimating an ARMA model on the first-difference of the data, or estimating an ARIMA model with 1 order of integration (recall that we are taking the latter approach). The last two graphs support the use of an ARMA(1,1,1) model.

To understand how to specify this model in statsmodels, first recall that from example 1 we used the following code to specify the ARIMA(1,1,1) model:

The order argument is a tuple of the form (AR specification, Integration order, MA specification) . The integration order must be an integer (for example, here we assumed one order of integration, so it was specified as 1. In a pure ARMA model where the underlying data is already stationary, it would be 0).

For the AR specification and MA specification components, there are two possibilities. The first is to specify the maximum degree of the corresponding lag polynomial, in which case the component is an integer. For example, if we wanted to specify an ARIMA(1,1,4) process, we would use:

and the corresponding data process would be:

When the specification parameter is given as a maximum degree of the lag polynomial, it implies that all polynomial terms up to that degree are included. Notice that this is not the model we want to use, because it would include terms for (epsilon_) and (epsilon_) , which we do not want here.

What we want is a polynomial that has terms for the 1st and 4th degrees, but leaves out the 2nd and 3rd terms. To do that, we need to provide a tuple for the specification parameter, where the tuple describes the lag polynomial itself. In particular, here we would want to use:

This gives the following form for the process of the data:

50 11.0 Chapter introduction

In 2008, the voters of the United States elected our first African American president, Barack Obama. It may not surprise you to learn that when President Obama was coming of age in the 1970s, one-quarter of Americans reported they would not vote for a qualified African American presidential nominee. Three decades later, when President Obama ran for the presidency, fewer than 8% of Americans still held that position, and President Obama won the election (Smith, 2009). [1] We know about these trends in voter opinion because the General Social Survey (, a nationally representative survey of American adults, included questions about race and voting over the years described here. Without survey research, we may not know how Americans’ perspectives on race and the presidency shifted over these years.

Watch the video: Introducing Windows 11 (December 2021).