Label:Consider the following collections of documents (users): {
"Address": { "City": "Los Angeles", "state" : "California" , "pincode" : " 123 " }, " tags ": [ "music" "cricket" , "blogs" Span class= "PLN" > ], "name" : "Tom benzamin" } The above document contains the address subdocument and tags array.
Indexed array fieldsLet's say we retrieve the user based on the tag, so we need to index the array tags in the collection
you learned earlier): {
"address": {
"city": "chengdu", "province": "sichuan", "pincode": "123" }, "tags": [ "music", "cricket", "blogs" ], "name": "clound" } An indexed array field that creates an index in an array that needs to be indexed in turn for each field in the set. So when we create an index for an array of tags, we establish separate indexes for music, cricket, blogs three values. Exam
Tags: advanced pre tom San array mongod need to retrieve collectionConsider the following collections of documents (users):{" address": { "city": "Los Angeles", "state": "California", "pincode": "123" }, "tags": [ "Music", "cricket", "blogs" ], "name": "Tom benzamin"}The above document contains the address subdocument and tags array.Indexed array fieldsLet's say we retrieve the user based on the tag, so we need
Directly run the Code:
Module action def jump @ distance = rand (4) + 2 puts "I jumped forward # {@ DISTANCE} feet! "Endendclass rabbit include action attr_reader: Name def initialize (name) @ name = Name endclass cricket include action attr_reader: Name def initialize (name) @ name = Name endendpeter = rabbit. new ("Peter") Jiminy = cricket. new ("Jiminy") Peter. jumpjiminy. jump --------------------------
Title Descriptionin this subject, we will use the symbol [C] to represent the downward rounding of C, for example: [3.0"= [3.1"=[3.9"=3. Cricket the worm has been a disaster recently! Next Door JumpFlea Country Flea also take earthworms have no way, cricket King had to ask God knife hand to help them destroy earthworms. There are now n earthworms in the cricket s
It's never easy to design a unique and attractive site navigation. In this article, we've collected 30 inspirational and beautiful horizontal menus, and I'm sure they'll give you some idea of how to design your site.
Get Me Fast
Jobs on the Wall
Kayak Capers
Bazar Solidale
Impaled existence
The Creative
Wildwood
Rut Med flera
Simply Creative
Pixel Resort
Golden Pride Choir
Storenvy
Jiri Tvrdek
Creative
Egolounge
Clearleft
Cosmic Soda
Loodo
W
Heyy... I 've got some games. Post the Games name, and I'll post it 4 U. MaybeI can get new games, if you ask.
My games:
2 fast 2 furious. Zip
3D motoracer. Zip
Legend of ninja 2. Jar
2004 gymnastics. Jar
2004 real football. Jar
Air snowboarding (3d !) . Jar
Air traffic control. Jar
All Star basket. Jar
Amaio ice hockey. Jar
Amaio football. Jar
Specified ent empires. Jar
Andre Agassi tennis. Jar
Anno 1503. Jar
Atlanta. Jar
Atomic car race. Jar
Basseball 2002. Jar
Battle of empires. Jar
Beach ra
Today, I encountered this problem. I asked my friend about the following solutions. I posted the following solutions: (cricket) ALTERTABLEtbALTERCOLUMNcolnamenvarchar (100) COLLATEChinese_PRC_CI_AS -- Case Insensitive ALTERTABLEtbALTERCOLUMNcolnamenvarchar (100) COLLATEC
Today, I encountered this problem. I asked my friend about the following solutions. I posted the following solutions: (cricket) ALTER TABL
WebRTC supports the use of its own codec (limited to native development), audio, video can be. Here the video coding as an example to analyze the corresponding source code in the WebRTC.CreatepeerconnectionfactoryIn Webrtc/api/peerconnectioninterface.h there is a method Createpeerconnectionfactory, the prototype is as follows:inline rtc::scoped_refptrAs you can see, the last four parameters of Createpeerconnectionfactory allow us to provide our own codec factory. This allows us to implement our
WebRTC supports the use of its own codec (limited to native development), audio, video can be. Here the video coding as an example to analyze the corresponding source code in the WebRTC. createpeerconnectionfactory
In Webrtc/api/peerconnectioninterface.h there is a method Createpeerconnectionfactory, the prototype is as follows:
Inline rtc::scoped_refptr
As you can see, the last four parameters of Createpeerconnectionfactory allow us to provide our own codec factory. This allows us to implement
Case study of excellent web design
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Forms are an important part of a website. Every website has its own form, which may be concise, colorful, and creative. When designing a website, forms are the el
It's never easy to design a unique and attractive site navigation. In this article, we've collected 30 inspirational and beautiful horizontal menus, and I'm sure they'll give you some idea of how to design your site.
It's never easy to design a unique and attractive site navigation. In this article, we've collected 30 inspirational and beautiful horizontal menus, and I'm sure they'll give you some idea of how to design your site.
Get Me Fast
Jobs on the Wall
Kayak Capers
Bazar Solidale
The timeline for Java development. (Version number name Chinese name release date)JDK 1.1.4 sparkler Gem 1997-09-12JDK 1.1.5 Pumpkin Pumpkin 1997-12-13JDK 1.1.6 Abigail Abigail--Women's name 1998-04-24JDK 1.1.7 Brutus Brutus--Roman statesman and general 1998-09-28JDK 1.1.8 Chelsea Chelsea-city name 1999-04-08J2SE 1.2 Playground Sports Ground 1998-12-04J2se 1.2.1 None None 1999-03-30J2SE 1.2.2 Cricket Cricket
the current access context. Subclasses cannot have a higher level of access than their superclass classes. User restricts the writing of a common subclass to an internal superclass.
Copy Code code as follows:
public class Cricket {
Private func print () {
println ("Welcome to Swift Super Class")
}
}
Internal class Tennis:cricket {Override internal Func print () {println ("Welcome to Swift Sub Class")}}
Let cricinstance
1.1 Java language History and Platform overviewThe history of A:java languageJames Goslin James Gosling received a BS in computer Science from the University of Calgary in Canada in 1977, a PhD in computer science from Carnegie Mellon University in 1983, and worked at IBM after graduating to design IBM's first generation workstation news system, but it was not appreciated. Later transferred to Sun, 1990, and Patrick,naughton and Mike Sheridan and other people to cooperate "Green plan", later dev
Study in the blog Park for a long time, and today finally opened their own blog, ready to share some insights and experience. First of all, thank the blog Park owners to provide such a good learning platform for programmers, but also very grateful to Zhang Shanyu ,dax.net,netfocus, Masaki and other technical Daniel's selfless sharing, Learned a lot from them. And I have recently been concerned about the pastoral cricket , sharing a lot of new technolo
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