usa country code 001

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CentOS 7 steps to install OpenVPN

left blank.-----Country Name (2 letter code) [CN]:State or province Name (full name) [Shanghai]:Locality Name (eg, city) [Pudong]:Organization Name (eg, company) [Prime]:Organizational unit Name (eg, section) [Social Media]:Common name (eg, your name or your server ' s hostname) [Prime [S] Asia CA]:Name [Easyrsa]:Email address [admin@dwhd.org]:[root@ss-usa-odo01

SQL Server Learning Note Series 6

that the derived table must be aliased. For example: Join us to inquire, customer information, and the number of customers each country has. So we can write this: 1 2 select * FROM 3 ( 4 Select Custid,count (*) through (PARTITION by country) as N ' number of customers ' 5 From sales.customers 6 ) t The clause in parentheses is equivalent to a derived table, and if we do not alias COUNT (*) over (PA

Ubuntu linux:install RT2870 Chipset Based USB Wireless Adapter (RPM)

006:id 413c:8162 Dell computer Corp.bus 001 Device 005: ID 413c:8161 Dell Computer corp.bus 001 Device 004:id 0a5c:4500 Broadcom Corp. BCM2046B1 USB 2.0 Hub (part of BCM2046 Blu Etooth) Bus 001 device 003:id 0a5c:5800 Broadcom Corp. BCM5880 Secure Applications Processorbus 001 Device 002:id 8,087:00 Intel Corp Integra

Linq Learning (2)-LinQ to Entity

sender, EventArgs e) {// instantiate the database object ObjectContext NorthwindEntities myTestDB = new NorthwindEntities (); var donews = from customer in myTestDB. MERs where customer. country = "USA" select new {id = customer. customerID, name = customer. contactName, city = customer. city, country = customer. country

grouping functions in Python (GroupBy, Itertools)

fromoperatorImportItemgetter#Itemgetter used to go to the key in Dict, eliminating the use of lambda functions fromItertoolsImportGroupBy#Itertool also contains a number of other functions, such as combining multiple lists together. d1={'name':'Zhangsan',' Age': 20,'Country':' China'}d2={'name':'Wangwu',' Age': 19,'Country':'USA'}d3={'name':'Lisi',' Age': 22,'

Customized weather forecast plug-in for CairoDock in Ubuntu

OS: Ubuntu1. install Cairo-dock2. right-click the Dock and choose Cairo-Dock --- gt; configuration --- gt; add component --- gt; (check) weather --- gt; application --- gt; (right-click on weather) --- gt; configure this applet --- gt; configure --- gt; (enter it according to your address, for example, Changsha, enter CHXX0013 in "your location code" and ChangSha in "your address, OS: Ubuntu 1. Install Cairo-dock2. right-click the Dock and cho

LINQ & EF for US (2)-LINQ to object)

: Figure 2Select an example on the left, and the corresponding LINQCode, The code running result is displayed at the bottom of the right side. Through this sample program, we can learn various usage of LINQ. Next, let's learn the common operators of LINQ.I. filter operator whereFilter the content of the source Sequence Based on the predicate, similar to the WHERE clause in SQL. 1. Simple where expressionUse extension methodsVaR query1 =

Entity Data Model (EDM) in-depth analysis, Part 2

(); Var SQL = "NorthwindEntities. Employees "; ObjectQuery Foreach (var emp in query) Console. WriteLine ("{0} {1} {2} {3}", emp. EmployeeID, emp. FirstName, emp. LastName, emp. Country ); Add a WHERE condition below: Var SQL = "SELECT VALUE emp FROM NorthwindEntities. Employees AS emp" + "WHERE emp. Country = 'usa '"; Var query = context. CreateQuery 2.Object

Int 21 h subprograms

them to 0.Export parameter: cf = 0 -- created successfully, Ax = file handle. Otherwise, Ax = Error Code (03 h, 04h or 05 h). For details, see error code table. (2) function 3DH Function Description: Open the specified drive, path, and file name, and return the file handle.Entry parameter: Ah = 3DHDS: dx = indicates the string of the file (0 is the end mark of the string)Al is open mode: 0 ~ 2 000-read-onl

Introduction to the creation and reference of Perl hashes _perl

the ' reference ' array. This data structure looks as follows: %table+-------+---+| | | +-----------+--------+| germany| *---->| Frankfurt | Berlin || | | +-----------+--------++-------+---+| | | +----------+| finland| *---->| Helsinki || | | +----------++-------+---+| | | +---------+------------+----------+| USA | *---->| Chicago | Washington | New York || | | +---------+------------+----------++-------+---+Let's analyze the output section first. A

MongoDB lecture 5

CountDistinctGroup1.Count count the number of American students in persons. db. persons. find ({country: USA }). count () 2. in Distinct, check the total number of countries in persons. db. runCommand ({distinct: persons ", key: country }). values3.Group Syntax: db. runCommand ({g CountDistinctGroup 1. count please query the number of American students in persons

Perl-create and reference a hash

+ ------- + --- +| + ----------- + -------- +| Germany | * ----> | Frankfurt | Berlin || + ----------- + -------- ++ ------- + --- +| + ---------- +| Finland | * ----> | Helsinki || + ---------- ++ ------- + --- +| + --------- + ------------ + ---------- +| USA | * ----> | Chicago | Washington | New York || + --------- + ------------ + ---------- ++ ------- + --- +Let's analyze the output section first. If we already have this structure, how can we ou

Introduction to creating and referencing Perl hashing

| * ----> | Frankfurt | Berlin || + ----------- + -------- ++ ------- + --- +| + ---------- +| Finland | * ----> | Helsinki || + ---------- ++ ------- + --- +| + --------- + ------------ + ---------- +| USA | * ----> | Chicago | Washington | New York || + --------- + ------------ + ---------- ++ ------- + --- +Let's analyze the output section first. If we already have this structure, how can we output it? Copy codeThe

Python data store--CSV

Tag: Access end uses the ONS port subscript ble. Text headerCSV, whose files store tabular data (numbers and text) in plain text, CSV records are separated by some sort of line break and other characters, common commas or tabs, For example: #coding:utf-8import csvheaders = [‘ID‘,‘UserName‘,‘Password‘,‘Age‘,‘Country‘]rows = [(1001,"guobao","1382_pass",21,"China"), (1002,"Mary","Mary_pass",20,"

SQL statement case when then else end returns a qualified value, sqlcase

use country code, but directly use the country name as the Primary Key) Country) Population (population) China 600 USA 100 Canada 100 UK 200 France 300 Japan 250 Germany 200

Perl references Z

print ". \ n ";13}This program is divided into two parts: Row 2-7 to complete data input and data structure creation. 8th-13 rows analyze the data and print the report. We have set a hash % table. Its key is the country name, and its key value is the 'quot' of the array of city names corresponding to the country name '. The data structure looks like this: % Table+ ------- + --- +| + ----------- + --------

How to Use Case in SQL (Part 1)

) Country) Population (Population) China 600 USA 100 Canada 100 UK 200 France 300 Japan 250 Germany 200 Mexico 50 India 250 The population of Asia and North America is counted based on the population data of this country. The following res

SQL Server Learning notes <> basics, some basic commands, single table queries (null top usage, with ties attached properties, over window functions), ranking function

', Lastname,firstname 2 from Hr.employees It can be seen that, according to the country rankings, is indeed out, but found that the first four are the same as the UK, supposedly to make part of the order, so you can use rank to operate. 1 Select Country,rank () over (order by country) as N ' rank ranking ', Lastname,firstname 2 from Hr.employees As can be seen

Ruby regular-expression learning notes

, and the returned substrings are in an array. Split can use regular expressions or plain text as delimiters. Try this: >> "Ruby". Split (//)=> ["R", "U", "B", "Y"]Converts the content of a text-based configuration file into Ruby's data structure. >> line = "First_name=matt;last_name=damon;country=usa"=> "First_name=matt;last_name=damon;country=

How to search and sort DataTable

Display result CustomerID CompanyName Country WHITC White Clover Markets USA TRAIH Trail's Head Gourmet Provisioners USA THECR The Cracker Box USA THEBI The Big Cheese USA SPLIR Split Rai

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