poj3662 Telephone Lines Binary Answer + Shortest Path

Links: Lougu Valley            POJ Title Description Farmer John wants to set up a telephone line at his farm. Unfortunately, the phone company is uncooperative, so he needs to pay for some of the cables required to connect his farm to the phone system. There are N (1 ≤ N ≤ 1,000) forlorn telephone poles conveniently numbered 1..N that ar ...

Added by TCovert on Sun, 28 Jul 2019 21:47:22 +0300

Comparison and induction of several ways of broadcasting registration

Some time ago, I just saw the broadcasting chapters of "First Line Code". In order to facilitate understanding, I collate and summarize the codes in the book, and compare the different ways of registering broadcasting receivers. The codes in the article are all taken from "First Line C ...

Added by stefharley on Sun, 28 Jul 2019 08:36:19 +0300

Deep Learning 5: Using Pre-training Model

Feature extraction without data enhancement Code first. import os import numpy as np from keras.preprocessing.image import ImageDataGenerator base_dir = '/Users/fchollet/Downloads/cats_and_dogs_small' train_dir = os.path.join(base_dir, 'train') validation_dir = os.path.join(base_dir, 'validation') t ...

Added by john010117 on Sun, 28 Jul 2019 08:22:43 +0300

19-LAN Foundation-VLAN Technology Deployment

1. VLAN Technology Principle The following problems existed in the early bus-based local area network (LAN): Conflict can occur if there are currently multiple nodes sending data at the same time. Data sent by any node will be sent to other nodes to form a broadcast. All nodes share the same tr ...

Added by nykoelle on Sat, 27 Jul 2019 12:44:30 +0300

face Recognition-Qt Calls face++ Interface by Initiating Http Request

Face++ platform can be used for face recognition, face detection, face comparison, face search and so on. The following are the various operations of face using the face++API. This is the official document address of face++. https://console.faceplusplus.com.cn/documents/4887579 The face++ interfac ...

Added by kundan on Sat, 27 Jul 2019 10:37:25 +0300

Cookies, session s of Django components

I. cookie 1.1 Background HTTP protocol is stateless and each request is independent for the server. State can be understood as data generated by the client and server in a session, and statelessness assumes that the data will not be retained. The data generated in the conversation is what we need to preserve, that is to say, to "keep sta ...

Added by Sayian on Fri, 26 Jul 2019 16:56:36 +0300

EDVR Project Code Debugging+Training (Detailed Edition)

Okay, entrusted to a friend, Xiaobian will record the EDVR code in detail in the first person in this article. 1. Environment Configuration Configuration of virtual environments based on virtualenv can be found in the blog vid2vid Code Debugging+Training+Test (debug+train+test) (1) Test Paper. 2. ...

Added by Opv on Fri, 26 Jul 2019 05:27:24 +0300

Reasons for Failure of MQTT Big Message

Background The MQTT protocol was used to build a chat server in the group. The connection became unavailable the day before yesterday when the big news (more than 5,000 Chinese characters) was tested. No reply was received for all the messages sent subsequently. Server environment: Netty : 4.1.32.Final Use the MqttDecoder that comes with Netty ...

Added by le007 on Thu, 25 Jul 2019 11:59:49 +0300

4 TensorFlow Model Persistence

TensorFlow provides a very simple API to save and restore a neural network model.This API is the tf.train.Saver class.The following code gives a way to save the TesnsorFlow calculation diagram. import tensorflow as tf #Declare two variables and calculate their sum v1 = tf.Variable(tf.constant(1.0, shape = [1]), name = "v1") v2 = tf.Vari ...

Added by Rhiknow on Wed, 24 Jul 2019 21:40:37 +0300

Handwritten A Simple IOC Framework--FindViewById

Reflection 1. Introduction to Reflection JAVA reflection mechanism is that all attributes and methods of this class can be known for any entity class in running state; any method and attributes can be invoked and modified for any object; this function of dynamic acquisition of information and dynamic in ...

Added by Pig on Wed, 24 Jul 2019 04:34:49 +0300