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Why use dynamic packages in Delphi

Because the package is powerful. Design-time packages simplify the release and installation of custom components; run-time packages inject fresh power into traditional programming

Nov 21, 2016 am 11:34 AM

Delphi

Tips for using jquery

The birth of jquery makes it easier for us front-end novices to operate web interactions.

Nov 07, 2016 pm 04:49 PM

jquery，jquery教程

JavaScript study notes: Extending the functions of types

JavaScript allows extending functionality to basic types.

Nov 07, 2016 pm 04:22 PM

JavaScript，JavaScript教程

You can have a strong Wi-Fi network signal 'full'

WiFi is widely used in life. For example, when you travel or exercise, when your phone is in an unstable wireless connection range, you may not be able to keep the signal strong because our phones are not always sure. The strongest WiFi signal is nearby, but I have a way around this.

Nov 03, 2016 am 09:44 AM

WIFI 网络信号

Google Firebase Cloud Messaging opens to multiple browsers

Google believes engaging users and discovering the type of content they like should come first. The technical aspects of web notifications are a start, but should not be abused. Please note that it is ultimately the user's responsibility to choose to receive any type of notifications.

Nov 03, 2016 am 09:17 AM

浏览器 Messaging Cloud Firebase 谷歌

STL for C++

Nov 01, 2016 am 11:50 AM

c++

How to use and write jQuery plug-in

A plug-in, also known as an extension, is a program written according to a certain standard application program interface. The writing concept of plug-ins is based on object-oriented.

Oct 31, 2016 pm 02:57 PM

jQuery

floyd algorithm study notes

Find the shortest path matrix between each two points of a graph through its weight matrix. Starting from the weighted adjacency matrix A=[a(i,j)] n×n of the graph, recursively perform n updates, that is, from the matrix D(0)=A, according to a formula, the matrix D(1) is constructed ; Then use the same formula to construct D(2) from D(1), and so on. Finally, the same formula is used to construct the matrix D(n) from D(n-1). The elements in row i and column j of matrix D(n) are the shortest path length from vertex i to vertex j. D(n) is called the distance matrix of the graph. At the same time, a successor node matrix path can also be introduced to record the distance between two points. the shortest path.

Oct 31, 2016 pm 02:29 PM

floyd，C++

Four ways to bind events with jQuery

jQuery provides a variety of ways to bind events. Each method has its own characteristics. Understanding the similarities and differences between them will help us make the right choice when writing code, so as to write elegant and easy-to-maintain code. Let's take a look at the ways to bind events in jQuery.

Oct 31, 2016 pm 02:20 PM

jQuery