how to create geofence

1) What is geofence? According to Wikipedia, geofence (also called geo-fencing),"Geo-fenceIs a virtual perimeter for a real-world geographic area ." A geo-fence cocould be dynamically generated-as in a radius around a store or point location. or a geo-fence can be a predefined set of boundaries, like school attendance zones or neighborhood boundaries. custom-digitized geofences are also in use. 2)

This is the case, can be based on the Click Department Value (department ID) to the background to query! //gets the type of event that is displayed in the background according to the zoning configuration 20150228 Zhangh if(BaseParameter.SERVICETYPE_REG_FLAG.equals (Baseparameter.yes)) {if(!Common.isnullorspace (Areaid)) {System.out.println (Into); Hql.append ("and ((Sb.servicetype in (select S.code from zwdt.pojo.ServiceTypeConfigure s where S.districtid =?)) or (Sb.otherservicetyp

Create/drop/alter View Create View Drop View Alter View Properties Alter View as Select Version InformationIconView support was only available in Hive 0.6 and later.Create View CREATE VIEW [IF NOT EXISTS] view_name [(column_name [COMMENT column_comment], ...) ][COMMENT view_comment][TBLPROPERTIES (property_name = property

Log in to the Windows Azure PortalEnter the account number and password that we registered in the last lesson and click Login.Select SQL database, select ServerSelect Create Database serverSet the login ID and password to access the database serverClick OK to complete the creation of the database server.Then we select the database server that we createdSelect Create DATABASE.Enter our database name, here my

The first step, open "rice chat" software to find the "circle" in the rice chat interface, the effect is as follows. In the second step, we click "Initiate" in the Open interface and click on the "Create Guild" effect in the interface as shown below. The third step, then we click on the name in the interface, then click "Next" Then we click "OK" effect is as follows. Fourth step, go in and click on their favorite guild tags, and

CopyCode The Code is as follows: If trim (request. Form ("tablename ")) '---- Set to open the database connectionDBS = "Data Source =" + server. mappath ("database. mdb") + "; provider = Microsoft. Jet. oledb.4.0 ;"Set conn = server. Createobject ("ADODB. Connection ")Conn. Open DBS 'Define ADOX and specify the connectionSet ADOX = server. Createobject ("ADOX. catalog ")Set ADOX. activeconnection = Conn 'Create a table and write PropertiesSet

Scenario: Create a table space in Oracle, assuming the space name is tbsp_1, the file location is d:\app\administrator\oradata\orcl/, and the space size is 10M. Steps: To create SQL:CREATE tablespace tbsp_1 datafile ' e:/oracle/product/10.2.0/tablespaces/weblogic.dbf ' SIZE 10M; However, the following error message appears:Error message:ORA-01119: Error creating database file ' e:/oracle/product/10.2.0/tabl

Recently, looking at the node. JS Development Guide, I saw a problem with preparing to create a Ejs project when using Nodejs for Web development, and the book commands:Express-t Ejs MicroblogCopy CodeBut after execution, the Jade project is still being created. Originally, the Create Ejs command in express3.x,express4.x was updated to:EXPRESS-E microblog//i.e. ejs,-j (i.e. jade)Copy CodeOf course, the most

Most people are used to the operations of other databases. One field is an auto-incrementing sequence field, but Oracle-related help is queried. View the relatedArticle, Repost this article to share with you // Create a sequenceCreate sequence car_guid increment by 1; // Create a tableCreate Table car(Guid number not null primary key,Phoneid char (11) not null,Username varchar (20) not null); // Add c

From: Http://www.hovercool.com/en/Class_create,_device_create,_device_create_fileWhen I started writing Linux device drivers, I used the Mknod command to manually create device nodes (including many examples in ldd3), and in fact the Linux kernel now provides us with a set of functions that can be used to automatically load the module The corresponding device node is created under the Dev directory, and the node is removed when the module is unloaded.

When writing a Linux Device Driver, you often use the mknod command to manually create a device node (including many examples in ldd3). In fact, the Linux Kernel provides us with a set of functions, it can be used to automatically create a device node in the/dev directory when the module is loaded, and delete the node when the module is detached. The struct class struct is defined in the kernel. As the name

Create a table spaceCREATE tablespace "Tbs_etl_meta"LOGGINGDataFile '/opt/oracle/oradata/etl/tbs_etl_meta.dbf ' SIZE 4000MEXTENT MANAGEMENT local SEGMENT spaces MANAGEMENT AUTO; Create a temporary table spaceCreate temporary tablespace portalco_tmpTempfile'/OPT/ORACLE/ORADATA/PORTALCLM/PORTALCO_TMP.DBF ' size 100mExtent Management LocalSegment Space management manual;

1 Public classPerson {2 3 //Method4 5 Public voidEat () {//define how to eat6 7System.out.println ("Defines the parent class person."));8 }9 Ten Public voidWork () {//define how the parent class works One ASystem.out.println ("Define the parent class person."); - } - the} Public classChildextendsperson{ Public voidWork () {//methods for defining sub-class workSystem.out.println ("Sub-class child does not love work"); } Publ

Recently, looking at the node. JS Development Guide, I saw a problem with preparing to create a Ejs project when using Nodejs for Web development.The order of the book is:? 1 express -t ejs microblog But after execution, the Jade project is still being created.Originally, the Create Ejs command in express3.x,express4.x was updated to:// namely ejs,-j (i.e. Jade)Of course, the

Copy Code code as follows: If Trim (Request.Form ("tablename")) '----setting to open a database connection dbs= "Data source=" +server.mappath ("Database.mdb") + "; provider=microsoft.jet.oledb.4.0; " Set Conn=server.createobject ("Adodb.connection") Conn.Open DBS ' Define ADOX, specify connection Set ADOX =server.createobject ("ADOX.") Catalog ") Set ADOX. ActiveConnection = conn ' Create TABLE, write properties Set objtable= Se

Tags: desc mysql body Problem blog configuration Warnings Statement comTo create an index on a table's fieldsIndexes are like catalogs of books, and if indexed on a field, you can speed up querying data when indexed. 1 Creating a primary key indexQuerying the contents of the database, the primary key query is the fastest, each table can have only one primary key, but there are multiple ordinary index columns, the primary key column requires that all c

Prerequisite: Your CD can be started directly, recommended to use the CD to start the installation. First, the preparatory work: 1. Note the size of each partition before installation, to facilitate the selection of partitions to check to avoid operation errors, loss of useful data. 2. Ready to create a Linux desktop system co-create 1.0.3 installation CD. Baby-i386-disc.iso The official Free download add

This article refers to the way in which the database was created using create databases in chapter II of the Administrator ' s Guide. In general, the first thing we get in touch with is the creation of a database using DBCA, which is more complex than creating databases.-----------------------------------------------------------------------------------------The following steps are required to create a datab

Label:Write in frontMySQL database was used in the project, and MySQL was not used before, and today we learned the common syntax of MySQL, which is very similar to SQL Server syntax. It's pretty simple to use.An example1. Create a database named school. 1. Create a Student information table: Student ID (self-increment, primary key), name, age, gender, telephone, place of origin, enrollment time, class ID (

First step the path required to create a tablespace file_name: Log on as Administrator system/admin, query data file name, size, and path information Select Tablespace_name,file_id,bytes,file_name from Dba_data_files; Second step create tablespace: Log in as Administrator system/admin, create tablespace CREATE tab