waze points

Explore JavaScript The this pointer points to The first thing you have to say is that this point is not certain when the function is defined, only when the function is executing to determine who it is pointing to, and actually this is ultimately pointing to the object that called it (there are some questions that explain why there is a problem, Although most of the articles on the web are said, although in many cases to understand that there will be

outside is not sure. Later, I thought of a good method based on the concrete examples. Assuming that the current incoming expected remainder is X, the purpose is to determine whether such a large remainder can be found: 1. First two points to find the denominator, the denominator must be greater than X, two points to find x in the array corresponding subscript (no x words to find the first greater than X);

10 basic skill points for Linux OPS engineersI am a Linux operations engineer, a bit of experience in this area, and now I say to master what aspects of the tool it. When it comes to tools, it can be said to be a skill, and in the line we are generally called tools, which are tools that must be mastered by operations. I will probably list these aspects, so the introduction is basically no problem. Linux systems use Redhat or CentOS if they are learnin

Introduction: This tutorial is part 1th of the IBM Autonomic integrated Development Environment (AIDE) series tutorial, which will show you how to quickly start and run the IBM AIDE Toolkit. In this tutorial, you will learn how to create, modify, and deploy contact points, and understand the intrinsic links between contact points and the underlying model. Before you start Learn what this tutorial contains

from:http://blog.csdn.net/zhuqiuhui/article/details/531803951. Find the azimuth of two latitude and longitude points, P0 (LatA, Lona), P1 (LATB, lonb) (many blogs do not write very well, summarize here) def getdegree (LatA, Lona, LATB, lonb): "" " Args: Point P1 (LatA, Lona) point P2 (LATB, lonb) Returns : bearing between the "GPS points, de

This article summarizes eight points to note about the PHP code architecture. Share to everyone for your reference, specific as follows: Write code for more than 6 years, look at the previous architecture, look at the current architecture. There are a few inadequacies here. In any case, it has been improving. Honestly don't like to use the framework of such things, basically all the framework are similar, not much, to use words, you have to understan

Web|web Service |web Service Ten key points of Web service interoperability developmentOver time, many vendors have been publishing their Web services implementations at an alarming rate. This includes the major version of the product, the secondary version, and many development service packs. As the new version becomes more and more standard, interoperability between different vendors is becoming more and more high.Nevertheless, the recommendations a

Article Description: 10 Highlights of Internet online activity. Usually the site to pull some new users, or active old users will do some online activities, through I have done or participated in some activities, think that the following 10 points is very important: First, the big prizes should be chosen. 1, to "luxury": This is the luxury of users, not for the site, to choose the target users usually want, but also feel more luxurious

Recently used in accordance with the latitude and longitude calculation of the Earth's surface two distance between the formula, and then use JS to achieve a bit. There are probably two ways to calculate the distance between two points on the Earth's surface. The first is the default Earth is a smooth spherical surface, and then calculate the distance between any two points, this distance is called the Grea

The list function is a very common requirement. It is a good and quick choice to use the features of ordered sets in Redis to achieve the rankings. The general rankings are effective, such as "User standings." If the results are not always ranked according to the overall list, it is possible that the top is always a few old users, for new users, it is really frustrating. First of all, to a "Today's standings" bar, the collation is today users add more poin