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Tags: window sync doc png pip GES build BSP Connect1. The MongoDB replica set environment is completed 2. Start the installation of Mongo-connector Pip install Mongo-connector; based on the PIP command, the Python environment is default for Linux and window systems; 3. Installation Pip Install Elastic-doc-manager 4. Input command Mongo-connector-m 192.168.100.10:20006-t 192.168.198.223:9200-d Elastic_doc_manager As below, prove the success of the start: -m:mongodb address and port, port defau

The full name of the list means that when we learn something, we have to know what it is, and when you know what it is, your mind will think of a lot of things to learn quickly. 1. Ls-a lists all documents under the document, including the following "." The beginning of the hidden file (Linux under the file hidden file is a. opening, if present. Represents the existence of a parent directory. 2. Ls-l list

The ls command is one of the most common commands in linux. the dir commands in ls and dos are used to list files in directories. let's take a look at the usage of ls. Full name: List indicates the meaning of a List. when we learn something, we need to know why, when you know what this thing is, your mind will think of a lot of things to learn quickly.1.

delay the display (a better practice is to use a fixed interval). As I said before, there are two kinds of glsurfaceview rendering modes, one is the continuous update screen, the other is On-demand, only in the call Requestrender () on the update screen. The default is rendermode_continuously to refresh the screen continuously.Opengldemos is using the default rendermode_continuously continuous refresh screen, so the drawscene of activity will continue to execute. In this example, the screen ord

performance gains of Al Most 4x.WebService Remoting WCF simple Speed comparisonA Performance Comparison of Windows communication Foundation (WCF) with Existing distributed communication technologie SThis is the authoritative point of MSDN:When migrating distributed applications written with ASP. NET Web services and. NET Remoting To WCF, the performance are at least comparable to the other existing Microsoft distributed communication technologies. In most cases, the performance are significantl

InnoDB is set to the prefix index (n bytes before the string). The possible cause isCHAR(32)Only the first 16 bytes indexes are supported. PostgreSQL's Partial Indexes has benefited from many aspects and is even larger. Because Indexes on Expressions exists, you can also index suffix, or even the value obtained by the index through the string function, in addition to the prefix index of MySQL. For example, PostgreSQL can set "I only need to index the username of the person born in January 1 」

understood as each point that makes up an object.A vertex Shader is executed once for each vertex (vertex) that is sent to the GPU. The input data is: Attributes: Encapsulates data for each vertex using a vertex array, typically for variables with different vertices, such as vertex position, color, and so on.Output data: At least the location information should be output at the vertex shader stage-that is, the built-in variable: gl_position, which is the intrinsic varying of each point, represe

be discarded.Glstencilfunc only describes what OpenGL does with template buffering, not how we update the buffers. This requires a Glstencilop method.1 void glstencilop (glenum sfail, Glenum dpfail, Glenum dppass); Sfail: The action to take if the template test fails. Dpfail: The action to take if the template test passes, but the depth test fails. Dppass: If both the depth test and the template test are passed, the action will be taken. The Glstencilop function is set to

[cagkey] = Cagvalue; }} OB = new Proxy (ob, pro); ob.like = ' man ';The function defined within the set will be triggered automatically when the listener changes, and the 3 values in the parameter list are defined by default, in order: the modified object, the object's key, and the object's value.It is important to note that if you trigger a listener for an element, its original modification process will be blocked (if you do not take this step), so we need to explicitly modify it.The results

Create screen rendering using EGL (Eagl in iOS)Loading vertex and fragment shadersCreate program objects, connect vertex and fragment shaders, connector objectsSet viewportClear the color bufferDraw a simple entity (triangle)Display buffer Contents1. Create Eaglcontext2. Creating a vertex shader and fragment shader3. Loading and compiling shaders4. Create a program object to connect to the vertex shader and fragment shader (link)5. Set the viewport and clear the color buffer6. Render geometric o

The use of fog in the scene not only improves realism, but also optimizes performance in specific situations. In particular, when the object is far enough away from the camera, the fog is strong enough to see only the fog and not see the object, it is not necessary to the object coloring detailed calculation, which can greatly improve rendering efficiency.There are many mathematical models of fogLinear Model:F=max (min (end-dist)/(End-start), 1.0), 0.0) F is the atomization factor, the val

from viewpoint 7 );3. Projection mode-Perspective projectionThe projection lines of the perspective projection are not parallel, and they intersect at the viewpoint. Through the perspective can be produced in the real world "near big far small" effect.1 Matrix.frustumm (2 Mprojmatrix, // storage Generation matrix element float[] Type array 3 0, // Fill Start offset 4 Left,right, //leftof near face, right5 bottom,top, // Near surface of the Bottom,top6 near,f

connection phase Function prototype: The String glgetprograminfolog (int program) parameter means: The programs is the ID of a shader application. 5. Cleaning shaderWhen you no longer need a shader or a program, you need to clean it up to free up resources. Function Prototypes: void Gldeleteshader (int shader) Parameter meaning: Shader is the ID of the vertex shader or slice shader to be excluded 6. Creating a Program Objectint program = Gles20.glcreatep

{ "name":"Alice Smith", "DOB":"1970-10-24", "Hobby":"Hiking"}4. If you want to change the document's parent document, you cannot just update or reindex the old document (the new parent document may be on a different shard), you need to delete the old document and then re-index it.Application of parent-child relationshipSeeing Parent-child relationships, it's easy to think of a variety of JOIN operations like SQL-such as querying a document and retrieving all of the parent or child documents.H

OpenGL ES is similarCode: 1) create three vertices PrivateIntbuffer triggerbuffer = intbuffer. Wrap (NewInt[] { 0, One,0, -One,-one,0, One,-one,0, }); 2) use triggerbuffer to draw the vertex Example: Gl. glvertexpointer (3, gl10.gl _ fixed, 0, triggerbuffer ); Must use a native order direct buffer error often occurs. Solution: (create a method) /** OpenGL is a very underlying drawing interface. Its buffer storage structure is co

)The attribute variable is generally used to represent some vertex data, such as vertex coordinates, normals, texture coordinates, vertex colors, and so on.In application, the function glbindattriblocation () is used to bind the position of each attribute variable, and then the functionGlvertexattribpointer () assigns a value to each attribute variable.Here is an example:uniform mat4 u_matviewprojection;attribute vec4 a_position;attribute vec2 a_texcoord0;varying vec2 V_texcoord; void Main (void

OpenGL ES 08-do not use the mix color of mr. Bucket 1 Please note: I am not very satisfied with the status when I write this tutorial, so please do not care if you have any questions. If something goes wrong, don't worry. I will continue to explain it in section 2nd. Who is mr. Bucket? That's my kitchen mixer! (In English, mixer and mixed colors are the same.) Of course we are not talking about my kitchen mixer or mixed 3D software. We are talking abo

the libraries panel, expand android2.3.3-> Expand Android. jar-> selectSource attachmenT-> click Edit-> select external location in the displayed dialog box and clickExternal file,Select the source code compressed package of the SDK version to be associated after the download, click OK all the way, and then associate the android Java code. Appendix:The source code of each Android version is: Android1.5 android_cupcake_javasrc.zip Android1.6corresponds to android_donut_javasrc.zip Andr

Details about the Texturing texture of OpenGL ES 3.0 (2), opengltexturing Texture Filtering and Mipmapping Texture Filtering and multi-level Texture We have already introduced the 2D texture of a single 2D image. This article mainly describes multi-level textures. Texture coordinates are used to generate a 2D index. When the zoom-in and zoom-out values are set to GL_NEAREST, a single texture will be matched to the texture coordinate position, which is

its local coordinate system (T). At this time, the order of the Code is the same as that of the local coordinate system relative to the object. GL. glmatrixmode (gl_modelview); By using the object's local coordinate system, you can better understand graphics systems such as robots and the solar system. The glulookat sub-function of the glulookat package of Android OpenGL ES provides a more intuitive way to set the modelview transformation