Code profiling
Original Author: Tony Parisi
So how exactly does unity support the Oculus VR operation. First, let's look at how the unity scene is built. In the Unity Integration Development package There is a camera preset, which provides the most basic VR technology, including: Oculus Stereo rendering and head tracking, let's take a concrete action.
Locate the Ovrcamerarig object in the hierarchy panel, and then click the down arrow on the left to expand its sub object, Camera The
EXTENDED LIGHTS out
Time limit:1000ms Memory limit:10000kTotal submissions:12956 accepted:8186 Description
In an extended version of the game Lights out, are a puzzle with 5 rows of 6 buttons each (the actual puzzle has 5 rows of 5 buttons each). Each button has a light. When a button is pressed, which button and each of it (up to four) neighbors above, below, right and left, has the state O F its light reversed. (If on, the light are turned off; if out, the light is turned on.) Buttons in the
localization and mappingReal-time Slam-scenelib (c + + code, LGPL lic) real-time vision-based SLAM with a single camera Ptam (c + + code, Isis I Nnovation Limited lic) Parallel Tracking and Mapping for Small AR Workspaces Gtsam (c + + code, BSD lic) Gtsam is a Librar Y of C + + classes that implement smoothing and mapping (SAM) in robotics and vision, using factor graphs and Bayes networks As the underlying computing paradigm rather than sparse matrices
Camera Calibration ConstraintOpenCV (c +
start the run stereo Calibration, the result after run is as follows, the parameters of the left and right camera are corrected, and the rotation and migration relationship vectors between the two cameras (OM and t) are also calculated.By clicking on the show Extrinsics of Stereo rig on the panel, you can see the dual camera diagram shown in the figure below, and you can see that two cameras are basically forward parallel! [2.13. The position relatio
Distance with afine gaps set similarity calculation: Jaccard coefficient, Dice vector-based similarity calculation: cosine similarity, TFIDF similarity ...... Edit Distance calculation attribute similarity Levenshtein Distance
Levenshtein distance, or minimum editing distance, is used to convert one string to another with minimal editing. For example, calculate the editing distance between Lvensshtain and Levenshtein:
Lvensshtain→insert "E" →levensshtain L v e n s s h t a i n→i n s e r T "E" →
Short Clear1Clear5:cmp al, ' s '; S=silentJne clear1 if not S try next char.mov bh,0; if S command, rig for; Silent Running. Clear; the Foreground/background;d isplay control fields, and;d on ' t bother to look for; any more command characters.;CLEAR8:; Now we have decoded all; the characters in the; command tail, and are ready; to initialize the display.; Bh= desired attribute; Cl,ch= (x,y), upper left; Corner of Window;D l,dh= (x,y), lower right; C
= B.nid No correspondence does not show select A.num, A.
Name, b.name from A inner JOIN B on a.nid = B.nid A table All display, if there is no correspondence in B, then the value is NULL select A.num, A.name, B.name From a LEFT join B on a.nid = B.nid B table All display, if there is no correspondence in B, then the value is NULL select A.num, A.name, b.name from a rig
HT Join B on a.nid = B.nid g, combined combination, automatically handle
statement (that is contains an INNER JOIN):Exampleselect Orders.OrderID, Customers.customername, orders.orderdateFrom OrdersINNER JOIN CustomersOn Orders.customerid=customers.customerid;Try it yourself»It'll produce something like this:
OrderID
CustomerName
OrderDate
10308
Ana Trujillo Emparedados y helados
9/18/1996
10365
Antonio Moreno Taquería
11/27/1996
10383
Around the Horn
12/16/1996
where nid > Ten group by Num,nid order Nid desc Select num,nid,count (*), SUM (score), Max (score ), Min (score) from table GRoup by Num,nid Select Num from table GROUP by NUM have max (ID) > 10 Special: Group by must be in where, after order by F, even The table does not have a corresponding relationship then does not display select A.num, A.name, B.name from A, Where A.nid = B.nid No correspondence does not show select A.num, A.
Name, b.name from A inner JOIN B on a.nid = B.nid A table Al
the subject and the object. A subject is an activity entity that needs to access data in the object or object. The subject may be a user, a program, a process. When a program accesses a file, the program is the subject, and the file is the object. The object is a passive entity that contains information or functions that are required. The object may be a computer, a database, a file, a computer program, a directory, or a domain in a database table. When you query information in the database, yo
see it okay, Combine the following code. Tip: Our view is called Colortrackview, thanks to the name of Little seven.1. Custom Attributes and getAttr.xmlThese slag properties are then obtained in the construction method of our Colortrackview:/** * * @author Zhy * */public class Colortrackview extends view{private int mtextstartx;public enum Direction{left, RIG HT;} private int mdirection = Direction_left; private static final int direction_left = 0; p
Apr 25 17:10:23 2013 Copyright (c) 1982,200 9, Oracle and/or its affiliates. all rig Hts reserved. connected to target database: RACDB (DBID = 808564626, not open) -- Here I am connected in the mount state, of course, you can also open the State RMAN> backup datafile 7; starting backup at least target database control file instead of recovery catalogallocated channel: ORA_DISK_1channel ORA_DISK_1: SID = 35 instance = racdb1 device type = DISKchannel
for two cameras to synchronize the acquisition, so that the calibration results will be correct. The idea of this algorithm can be referred to: simultaneous acquisition of imagesThird, using MATLAB calibration Toolbox measurement DataAfter the previous step, we get the image of the calibration board in many different positions on the left and right two cameras, and put the images in the Matlab Toolbox folder for processing. The processing method can be referred to: using the MATLAB Toolbox for
. Create animation in 3ds max, export fbx format file, naming rule: Object name @ Animation name2. Import the Fbx file into the Unity3d material folder and set the rig to legacy;3. Drag the model into the scene, set the size to the number of animation segments you want to import in the Animations option, and then import the animation section below.4. Write the script:Animation.wrapmode = Wrapmode.loop; Set all animations to loop, there are other ways
is no longer decomposed (only one data) to get the correct result.Data_list = [7, 2, 6, 4, 9, 6,]def Quick_sort (Data_list, left, right): If the left >= rig HT: return data_list key = Data_list[left] Low = left , right and left def quick_sort (array, left, right): "':p Aram array::p Aram Left: The first index of the list:p Aram right: The index of the last element of the list: Retu RN: "If left >= right:return low = left hig
Given a binary tree, return the postorder traversal of its nodes ' values.For example:Given binary Tree {1,#,2,3} , 1 2 / 3Return [3,2,1] .Note:recursive solution is trivial, could do it iteratively?Ask for a post-order traversal, requiring no recursion.Use the stack, which is added from the back forward./*** Definition for a binary tree node. * public class TreeNode {* int val; * TreeNode left; * TreeNode rig Ht * TreeNode (int x) {val
Given a binary tree, determine if it is height-balanced.For this problem, a height-balanced binary tree was defined as a binary tree in which the depth of the Every node never differ by more than 1.Determine if a tree is a balanced binary treeUsing the height of the answer, recursive solution./*** Definition for a binary tree node. * public class TreeNode {* int val; * TreeNode left; * TreeNode rig Ht * TreeNode (int x) {val = x;} }*/ Public classSolu
Given a binary tree, find its minimum depth.The minimum depth is the number of nodes along, the shortest path from the root node to the nearest leaf node.Find the lowest height of the tree. There is no skill in using the queue to return results when encountering leaf nodes./*** Definition for a binary tree node. * public class TreeNode {* int val; * TreeNode left; * TreeNode rig Ht * TreeNode (int x) {val = x;} }*/ Public classSolution { Public intmin
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