[Ruby] Ruby Variable Scope

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[Ruby] Ruby Variable Scope

Scope defines where in a program a variable is accessible. Ruby has four types of variable scope, local,global, instance and class. In addition, Ruby has one constant type. Each variable type is declared by using a special character at the start of t…

[翻译] Tensorflow中name scope和variable scope的区别是什么

翻译自:https://stackoverflow.com/questions/35919020/whats-the-difference-of-name-scope-and-a-variable-scope-in-tensorflow 问题:下面这几个函数的区别是什么? tf.variable_op_scope(values, name, default_name, initializer=None) Returns a context manager for defining an op t…

[TensorBoard] Name & Variable scope

TF有两个scope, 一个是name_scope一个是variable_scope 第一个程序: with tf.name_scope("hello") as name_scope: arr1 = tf.get_variable("arr1", shape=[2,10],dtype=tf.float32) print name_scope # "hello/" print arr1.name # arr1:0 print "sco…

tensorflow变量作用域（variable scope）

举例说明 TensorFlow中的变量一般就是模型的参数.当模型复杂的时候共享变量会无比复杂. 官网给了一个case,当创建两层卷积的过滤器时,每输入一次图片就会创建一次过滤器对应的变量,但是我们希望所有图片都共享同一过滤器变量,一共有4个变量:conv1_weights,conv1_biases,conv2_weights, and conv2_biases. 通常的做法是将这些变量设置为全局变量.但是存在的问题是打破封装性,这些变量必须文档化被其他代码文件引用,一旦代码变化,调用方也可能需要…

PHP Variable Scope

原文: https://phppot.com/php/variable-scope-in-php/ Last modified on March 24th, 2017 by Vincy. ------------------------------------------------------- variable scope is known as its boundary within which it can be visible or accessed from code. In oth…

tensorflow variable scope 变量命名空间和变量共享

import tensorflow as tf def f(): var = tf.Variable(initial_value=tf.random_normal(shape=[2])) return var a1=f() a2=f() with tf.Session() as sess: sess.run(tf.global_variables_initializer()) print(sess.run(a1)) print(sess.run(a2)) 输出为: [-0.74532765 -1…