Exploration and test of 1PPS time synchronization function of GPS

Recently, in the study of GPSD related information, it is found that GPSD can cooperate with NTPD to achieve high-precision time synchronization function, so this topic is involved. At present, Ublox F9P module is in hand, UART outputs NEMA data, and another GPIO outputs 1PPS pulse First, look at a ...

Posted by igorlopez on Thu, 11 Jun 2020 05:41:44 +0200

Android wifi basic function 1

A summary This paper introduces the development interface and usage of WiFi module in the application layer of Android, including some suggestions for dealing with common problems, and finally provides a github project ...

Posted by TheChief on Tue, 09 Jun 2020 08:27:49 +0200

Basic knowledge of android component broadcast

The last blog recorded the basic knowledge of activity. This blog recorded the basic knowledge of Broadcast radio broadcast Broadcast is a mechanism to transfer information between applications. It can transfer information between different programs or within the same program. Broadcast Receiver is used ...

Posted by newcastle_unite on Tue, 09 Jun 2020 07:08:41 +0200

07 tensorflow data statistics and tensor comparison

Data statistics and tensor comparison data statistics 1. Vector norm 2. Maximum, average, and Tensor comparison data statistics 1. Vector norm Vector norm is a measure of vector length, which can be extended to tensor. In neural network, it is often used to express the weight and gradient of ...

Posted by ericm on Tue, 09 Jun 2020 05:40:29 +0200

Guava experience: Guava Cache

Caching is an indispensable method to solve performance problems in our daily development. In short, cache is a piece of memory space to improve system performance. The main function of cache is to temporarily save the data processing results of business system in memory and wait for the next access ...

Posted by jheitz on Sun, 07 Jun 2020 13:21:12 +0200

Module - Neural network training and inference

API . Training neural network needs many steps. You need to specify how to input training data, initialize model parameters, perform forward and backward transfers in the network, update weights based on calculated gradients, perform model checkpoints, and so on. Most of these steps will eventually be repeated during the forecast process. For ...

Posted by jblallement on Sun, 07 Jun 2020 05:50:38 +0200

Multiple Cluster Deployment Management with Istio: Single Control Plane Gateway Connection Topology

In a single control plane topology, multiple Kubernetes clusters work together to use a single Istio control plane running on one of the clusters.The control plane's ilot manages services on local and remote clusters and configures the Envoy Sidecar proxy for all clusters. Cluster-aware service routing Cluster-aware service routing capabilit ...

Posted by robert.access on Sat, 06 Jun 2020 05:49:32 +0200

Symmetric encryption algorithm

concept In the symmetric encryption algorithm, the data sender processes the plaintext (original data) and the encryption key together through a special encryption algorithm, which makes it become a complex encrypted text to be sent out. After receiving the ciphertext, if the receiver wants to interpr ...

Posted by vaibhavs on Fri, 05 Jun 2020 09:50:25 +0200

. NET CORE Middleware

Original text: . NET CORE Middleware What is Middleware We are not new to middleware. Before the emergence of. NET CORE, the concept of middleware has been widely used in win applications. Official definition of middleware: middleware is a module integrated into the application pipeline to process requests and responses. Each middleware ...

Posted by bagpuss03 on Fri, 05 Jun 2020 04:01:27 +0200

The summary of get request using in flitter network dio framework

notes preceding the text of a book or following the title of an article ——Holding the sword in the end of the world, starting from your little accumulation, you must strive for perfection everywhere you reach, that is, tossing every day. Important news Netease cloud [play big front end] su ...

Posted by mr.rum on Thu, 04 Jun 2020 19:41:53 +0200