= xmldoc in the node. createelement ("author"); xesub2.innertext = ""; xe1.appendchild (xesub2); xmlelement xesub3 = xmldoc. createelement ("price"); xesub3.innertext = "58.3"; xe1.appendchild (xesub3); root. appendchild (xe1); // Add
Xmldoc. Save ("Bookstore. xml ");
// ================================================ ==========Result:
2. Modify the node: Change the genre value of the node whose genre attribute value is "Li zenhong" to "Update Li zenhong ", modify the text of the child node
Install the Intel Fortran compiler in centos 5.2 Linux
(1) download
Entering http://software.intel.com/en-us/articles/intel-software-developer-support,Select Tools downloads, select free non-commercial cial (non-commercial version), enter the page, Select accept,Select intel Fortran composer Xe 2011 for Linux for download. Then, a page is displayed,You need to provide some information, including the email address. Intel will send a licence file to
Unified Communication is not the same as unified Interaction
UC is continuously warming up, but can it solve the problem of communication disconnection? The new system must take UC further to support real unified interaction.
The use of unified communication and collaboration (UCC) or Unified Communication as a service (uCaaS) is expected to increase rapidly in the next few years, because these technologies can integrate multiple channels into a sin
I. query basic table information
SelectUTC. column_name, UTC. data_type, UTC. data_length, UTC. data_precision,UTC. data_scale, UTC. nullable, UTC. data_default, UCC. CommentsFromUser_tab_columns UTC, user_col_comments UCCWhereUTC. table_name = UCC. table_nameAnd UTC. column_name = UCC. column_nameAnd UTC. table_name = 'onlinexls'OrderColumn_id
Note: order by col
In Oracle, SQL queries table information because the data structure design of some modules of the project is not strictly in accordance with a certain specification design, it can only beTo query the data structure, you need to query the following information: field name, data type, whether it is null, default value, primary key, foreign key, and so on. Www.2cto.com searched for the above information on the Internet, summarized as follows: 1. query table Basic Information select utc. column_name
Because the data structure design of some modules of the project is not strictly in accordance with certain specifications, the data structure can only be queried from the database. The information to be queried is as follows: field name, data type, whether it is null, default value, primary key, foreign key, and so on.
I searched for the above information on the Internet and summarized it as follows:
I. query basic table information
SelectUtc. column_name, utc. data_type, utc. data_length, utc
Calculation Method of Chinese Standard Code (C # code)
Recently I had an ERP project involving book sales, so I spent a few nights studying related things ...... Take the time to sort out some content.
First, understand some necessary Terms and definitions:
---------------------------------------EAN • UCC prefixThe identifier code assigned by the International Association for item encoding.---------------------------------------Check digitThe last dig
JDBC driver connection URL
This section describes the connection URL format and how to create connection objects with the drivermanager class.
If you want to use the drivermanager class to create connection objects, you need to know how to make a connection URL that provides access information to the Oracle server. the Oracle connection URL for the thin client-side driver ojdbc14.jar has the following format:
JDBC: oracle: thin: [user/password] @ [host] [: Port]: sidjdbc: oracle: thin: [use
Because the company wants to prepare a software for online upgrading of servers and clients, it needs to obtain the file path information on the server and generate the corresponding XML file for a small software test, we have done it today ~~
Useful friends can learn from, mainlyCodeAs follows:
Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->
Private
Xmldocument xmldoc;
Private
Void
Btncreatexml_click (
Object
Sender, eve
VM automaticallyGet the local storage UUID
The code is as follows
Copy Code
# XE Sr-list | Grep-c 1 "Local"UUID (RO): fbeda99f-b5a7-3100-5e3d-fbb48a46fca0Name-label (RW): Local storageName-description (RW):
Initialize an empty VM
The code is as follows
Copy Code
# XE Vm-install new-name-label=centos6_template sr-uuid=fbeda99f-b5a7-3100-5e3
Restrictions on oracleeXpressEdition data files are described as follows in the official documents of oracleXE: 1. ExpressEditionislimitedtoas
Restrictions on oracle eXpress Edition data files are described in the oracle XE official documentation as follows: 1. Express Edition is limited to a s
Restrictions on Oracle eXpress Edition data filesRestrictions on oracle XE are described as follows:1. Express
Restrictions on Oracle eXpress Edition data filesRestrictions on oracle XE are described as follows:1. Express Edition is limited to a single instance on any server;2. Express Edition may be installed on a multiple CPU server, but may only be executed on one processor in any server;3. Express Edition may only be used to support up to 4 GB of user data (not including Express Edition system data );4. Express Edition may use up to 1 gb ram of available m
6.3.4 Generating assembly code for function calls and returnsIn this section, let's discuss how to generate assembly code for function calls and function returns. The corresponding intermediate directives for the function call are as follows:Intermediate instruction of the four-dollar: Let's familiarize ourselves with the calling convention of the C function callingconvention, we need to put the parameters from right to left into the stack (that is, from argn to arg1 sequentially into the stack)
6.3.4 Generating assembly code for function calls and returns
In this section, let's discuss how to generate assembly code for function calls and function returns. The corresponding intermediate directives for the function call are as follows:
Intermediate instruction of the four-dollar:
Let's familiarize ourselves with the calling convention of the C function callingconvention, we need to put the parameters from right to left into the stack (that is, from argn to arg1 sequentially into the st
Download the software package to the official website, first register an account number, download is a compressed package, extract the oracle-xe-11.2.0-1.0.x86_64.rpm. There are only 64-bit versions under Linux.
1, install the dependent package
Yum Install Libaio libaio-devel bc-y
2. Install Oracle Express EditionUse root user action.
CD ~wget http://download.oracle.com/otn/linux/oracle11g/xe/oracle-
("price");Xesub3. innertext= "158.3";Xe1. AppendChild (XESUB3);Root. AppendChild (XE1);//Add to Xmldoc.save (Server.MapPath ("Data.xml"));//////////////////////////////////////////////////////////////////////////////////////Result: A node is added to the original XML content as follows,3, modify the value of the node (attributes and sub-nodes):XmlDocument xmldoc=new XmlDocument ();Xmldoc.load (Server.MapPath ("Data.xml"));XmlNodeList Nodelist=xmldoc.selectsinglenode ("Employees"). childnodes;//
(XESUB3);Root. AppendChild (XE1);//Add to Xmldoc.save (Server.MapPath ("Data.xml"));//////////////////////////////////////////////////////////////////////////////////////Result: A node is added to the original XML content as follows,3, modify the value of the node (attributes and sub-nodes):XmlDocument xmldoc=new XmlDocument ();Xmldoc.load (Server.MapPath ("Data.xml"));XmlNodeList Nodelist=xmldoc.selectsinglenode ("Employees"). childnodes;//get all child nodes of the Employees nodeforeach (XmlN
");
// ==========================Result:
2. Modify the node: Change the genre value of the node whose genre attribute value is "Li zenhong" to "Update Li zenhong ", modify the text of the child node
Xmlnodelist nodelist = xmldoc. selectsinglenode ("Bookstore"). childnodes; // obtain all the subnodes of the bookstore NodeForeach (xmlnode Xn in nodelist) // traverses all subnodes{Xmlelement Xe =
.appendchild (xesub1); // Add it to the Xmlelement xesub2 = xmldoc. createelement ("author ");Xesub2.innertext = "master ";Xe1.appendchild (xesub2 );Xmlelement xesub3 = xmldoc. createelement ("price ");Xesub3.innertext = "158.3 ";Xe1.appendchild (xesub3 );
Root. appendchild (xe1); // Add it to the Xmldoc. Save (server. mappath ("data. xml "));
//////////////////////////////////////// //////////////////////////////////////// //////Result: A node is added to the original XML content. The content i
.innertext = "C # Getting Started help"; // set a text nodeXe1.appendchild (xesub1); // Add it to the Xmlelement xesub2 = xmldoc. createelement ("author ");Xesub2.innertext = "master ";Xe1.appendchild (xesub2 );Xmlelement xesub3 = xmldoc. createelement ("price ");Xesub3.innertext = "158.3 ";Xe1.appendchild (xesub3 );
Root. appendchild (xe1); // Add it to the Xmldoc. Save (server. mappath ("data. xml "));
//////////////////////////////////////// //////////////////////////////////////// //////R
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