coverity scan

Use ZBar in iOS to scan the QR code and customize the scan interfaceZXing has been used in Android to identify QR codes. ZXing also has the corresponding iOS version. After understanding it, ZBar is also a common QR code recognition software, the sdks for iOS and Android are provided for use. Finally, I chose ZBar for QR code identification. The annotations are clear and easy to use.ZBar provides two usage

oracle| Index In oracle9i we know that we can use the Jump Index Scan (index Skip Scan). However, there are some limitations to the use of jumping index scans. From Oracle's documentation we can find this: Index Skip Scans Index skip scans improve index scans by Nonprefix columns. Often, scanning index blocks is faster than scanning table data blocks. Skip scanning lets a composite index is split logical

JAVA-Mobile scan two-dimensional code, page response (not scan code login) I have just been a few months of Meng New, these months, encountered a lot of no contact with the function, although the code is very simple, but also for a while let me worry, thinking impassability. In order not to let oneself learn a little new things forget, so, began to write my first blog. I hope that the people who help to the

Intranet hosts are automatically assigned IP address, sometimes need to look under the IP in use, wrote a simple script. Linux and Windows can be used, multi-threaded to ping1-255 all addresses, inefficient, about 2 minutes. Just make it and use it. #-*-coding:utf-8-*-#author: Orangleliu date:2014-11-12 #python2.7.x ip_scaner.py "" different platforms, to achieve IP scanning on the intranet side sometimes need to know where The effective IP of the LAN, but do not want to find specific tools to

Example of the multi-threaded Port Scan function implemented by python: python Port Scan This example describes the multi-threaded port scanning function implemented by python. We will share this with you for your reference. The details are as follows: The following program provides Python code for multi-thread scanning of a given ip host. #!/usr/bin/env python#encoding: utf-8import socket, sys, thread, tim

Scan the QR code to register and scan the logon register. Scan-code logon is the most popular and convenient logon method. Here I use the public number to demonstrate the QR code logon process. Required information: 1. AppId and AppSecret of the Public Account 2. Get access_toke with the Public Account Public function getToken (){$ Access_token = S ("gzh_access_

Concise Port Scan script and concise Port Scan script Script Name: monitor_port.pl Purpose: scan for a specific port. Script: 123456789101112131415161718192021222324252627282930313233343536373839404142434445 #!/usr/bin/envperl($sec,$min,$hour,$mday,$mon,$year)=(localtime)[0..5];($sec,$min,$hour,$mday,$mon,$year)=(sprintf("%02d",$sec),sprintf("%02d",$m

Asp: Mobile Phone scan QR code jump to mobile edition, asp scan jumpIf you want to jump to the corresponding mobile phone version by using the QR code generated by the pc website, add the following content to the // red indicates the URL of the redirected website

Scan a string on this webpage, and then scan the string /* Get the content in the body */ // Var content = document. getElementsByTagName ("body") [0]. innerHTML; /* If there are many iframe values in the body, you need to find them cyclically */Var contents = document. getElementsByTagName ("iframe "); // Var content = $ (contents [0]). contents (). find ("body" example .html (); Var size = contents. len

When the index full scan is made, Oracle navigates to the root block of the index, then to the branch block (if any), then navigates to the first leaf block and then reads it according to the Leaf block's doubly linked list order. The blocks it reads are sequential and sorted.The index fast full scan is different from the beginning of the segment, reading the containing bitmap block, root block, all the bra

Java code public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int a = sc.nextInt(); int b = sc.nextInt(); String s = sc.nextLine(); System.out.print("a: " + a + " b: " + b + " s: " + s); }} The following is my understanding. please correct me if there is anything wrong: String S = SC. nextline ();Here we read an empty string. Because after entering the second number, you press Enter.Assume that the seco

The author of this article is original, reproduced please indicate the source: http://www.cnblogs.com/further-further-further/p/7717331.htmlSolve the problemThe business logic Bean is registered into the spring container through Component-scan automatic scanning, and the XML configuration file bean is removed from the manual registration process, which reduces the complexity of XML configuration file.Content Description 1. When registering a