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htpasswd Usage

Create New Password File Add New User

Android JVM:Specify Java Maximum Heap Size

Gradle Add the following lines to project build.gradle android { dexOptions { javaMaxHeapSize “1g” } } Ant set ANT_OPTS=-Xmx1024m Misc ref: R1 R2

Estimated reading time: 11 seconds

macOS Sierra: Auto load ssh keys

OS: macOS 10.12.3 Create config file in your ssh folder: vi ~/.ssh/config Edit config file: Host * UseKeychain yes AddKeysToAgent yes IdentityFile ~/.ssh/id_rsa_build_server IdentityFile ~/.ssh/id_rsa_mac Replace the path with the path to you keys.

Estimated reading time: 20 seconds

Shell: Count the numbers of lines of code

Exclude empty & Comment lines.

Estimated reading time: 9 seconds

Manage SSH Key

Generate SSH Key $ ssh-keygen -t rsa -C “[email protected]” Add Key $ ssh-add ~/.ssh/id_rsa Check Saved Keys ssh-add -l Delete All Keys ssh-add -D Start ssh agent If you get the error : “Could not open a connection to your authentication agent.” eval `ssh-agent -s`

Estimated reading time: 22 seconds

VAO VBO VEO Template

GLfloat vertices[] = { 0.5f, 0.5f, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f, 0.5f, -0.5f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, -0.5f, -0.5f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, -0.5f, 0.5f, 0.0f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f, }; GLuint indices[] = { 0, 1, 3, 1, 2, 3 }; GLfloat texCoords[] […]

Estimated reading time: 1 minute

Android: use 32bit native libraries on 64bit device

Set abi filters in gradle file: android { …. defaultConfig { …. ndk { moduleName “module_name” abiFilters “armeabi”, “armeabi-v7a” } } } If getting NDK integration deprecated error, add one line to file named gradle.properties: android.useDeprecatedNdk=true

Estimated reading time: 16 seconds