Geo-location query using GEOIP database and API

GeoIP database: http://geolite.maxmind.com/download/geoip/database/GeoLiteCountry/GeoIP.dat.gz.First, download the required resources on the Maxmind websiteAfter downloading, we unzip it to D disk, specific installation document see GeoIP Legacy

ADB root:adbd cannot run as root in production builds

When you use ADB root on some Android phones to get root privileges, the following message appears: ADBD cannot run as root in production builds. The way to elevate root permissions at this point is:1. Get super User privileges on Android phone;2.

Ienumerator/ienumerable/yield Return/startcoroutine Detailed

Ienumerator/ienumerablePublic interface IEnumerable { IEnumerator GetEnumerator (); } Public interface IEnumerator { bool MoveNext (); void Reset (); Object current {get;} } In the use of both, there are the following

Web App uses Apache CXF to build webservice--detailed case (combined with spring)

Reprint Please specify source: http://blog.csdn.net/u013474104/article/details/45097957Steps--1. using MAVEN to rely on jar files2.Web. XML ConfigurationA. loading The cxf-beans.xml configuration fileB. configuring CXF Servlect3.Cxf-beans.xml

Returns the and (ring) of the largest sub-array in an integer array

Requirements:Enter an array of shapes with positive and negative numbers in the array. One or more consecutive integers in an array make up a sub-array, each of which has a and. If the array a[0] ... A[j-1] next to each other, allowing a[i-1], ... A[

Classroom Practice Book promotion (greedy algorithm)

I. TopicsBookstore for the "Harry Potter" series of books for promotional activities, a total of 5 volumes, with numbers 0, 1, 2, 3, 4, a single volume of 8 yuan, the specific discount is as follows: this number         & nbsp;         Discount      

WinForm Hotel Management System

Just finished the three-tier architecture, using three layers to do a simple hotel management system!Let's start with a few pictures:Landing:Main interface:The main functional modules of the system are as follows:Room type management: Room type name,

Win7 no need for third-party tools to set up WiFi hotspots

With the popularity of smartphones, mobile internet or data flow meter, wireless routers become inevitable.However, there is no wireless hotspot everywhere, when only a computer with a wireless card can achieve hotspot coverage. Say less nonsense,

Chromium Browser Development Series fourth: How to debug the latest chromium source code

A succession of things, time is more tense, but still did not put this series of articles lost, because this is also a summary of their own knowledge of it. Advocating that we write more, and then look at the time will have a strange little

WordPress plugin Development (II) HELLO World Improved version

In the previous article WordPress plugin developed (a) Hello world, demonstrating the simplest implementation of Hello World, just adding the Hello World character after each post, and the characters are also written dead.What if the user needs to

Codeforces 506E Mr Kitayuta ' s Gift (matrix multiplication, dynamic programming)

Describe:Give a word, insert several characters in the word to make it a palindrome string, and find the number of palindrome string (|s|This problem is super magical, rare a good problemFirst can make a dp[l][r][i] that the palindrome string left I

Memory allocation and release of "OpenCV" images, copying images and setting image ROI region

(1) Allocate memory to a new image:iplimage* cvcreateimage (cvsize size, int depth, int channels); size -image width, height. Depth -the bit depth of the image element, which can be one of the following: ipl_depth_8u-Unsigned

Tomcat configuration file modification Invalid Automatic recovery restore summary of workarounds

Today's product integration of a report, encountered many problems, the other is a very wonderful problem is, modify tomcat several configuration files, has not worked, started debugging several times to find, modified a start service to restore the

Reproduced The inexplicable/proc/sys/kernel/shmmax in Docker.

Original: http://www.weibo.com/p/1001603829422523342026Caused by the Docker IPC namespace.Docker deploys heavy-duty applications, such as databases, are there pits? I really found out today.   When deploying a database, you may need to adjust some

Geotools modifying Shapefile property name garbled problem

The discussion address for the GeoServer Chinese community is:http://opengeo.cn/bbs/read.php?tid=1701&page=e& #aAfter modifying shapefiles with Geotools, the property names in the DBF file contents are garbled, but the property values are not

Fatal error C1047:the object or library file "..." is created with a older compiler than other obj

Debug compile normal build, switch to release to report this error.Yesterday with the VS2005 mutation encountered this problem, online search a lot of, tried many not effective. Microsoft This is really a pit father!The ultimate solution: Install SP1

WiFiDog certification Advantages and disadvantages WiFiDog principle

The portal certification method has multiple, we have chosen a very common open source project WiFiDog, support OpenWrt, large user groups, information is more perfect, Chinese information more.Key Benefits: Open Source

RABBITMQ features of three exchange modes (FANOUT,DIRECT,TOPIC)-From the network

RABBITMQ, messages submitted by all producers are accepted by Exchange, and exchange is forwarded to the queue for storage according to a specific policyRABBITMQ offers four types of Exchange:fanout,direct,topic,headerThe header pattern is less in

Oschina Thursday strum-------try, not catch enough for me not to be happy (more careful to enter)

Tell us a good news, today Thursday, just finished two days class, tomorrow is a holiday.However, the weather is a bit cold, the morning out, the cool breeze. The weather is like a girl.@  big gun in the crotch : The weather in Guangdong is really

Run the Tiny server and the Tiny server

Run the Tiny server and the Tiny serverRun Tiny server I have previously written the source code parsing of the Tiny server in the book Understanding computer systems, but the book does not introduce how to run Tiny. Next I will introduce how to run

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