mongodb 3 4 7

First, the source installation1. Download the source code (see the latest version of the website link)wget http://nodejs.org/dist/v0.10.30/node-v0.10.30.tar.gz2. Extracting source codeTar xzvf node-v* CD node-v*3. Install the necessary compilation softwaresudo yum install gcc gcc-c++4. Compiling./configuremake5. Compile Installsudo make install6. View version (test installation succeeded)Node--versionSeco

/*1+2=33+3=66+4=1010+5=1515+6=2121+7=2828+8=3636+9=4545+10=55......*/$a =1;//Results$c Number of =2;//cycleswhile ($c $b = $c; Assign the value of C to B$a = $a + $b;//implement A+b result assignment to a a=3$c ++;//variable c plus 1, the original 2 becomes 3.echo "$a"; Outp

() method allows you to build a Layoutinflater object and then call inflate () to dynamically load a layout file. Inflate accepts two parameters: The first one is the ID of the layout file The second parameter is to add a parent layout to the loaded layout, which is this 　　2. Binding Events for buttons Public classTitlelayoutextendsLinearLayout { PublicTitlelayout (Context context, @Nullable AttributeSet attrs) {Super(context, attrs); Layoutinflater.from (context).

transaction, run as a non-transactional 3:propagation_mandatory Must run in a transaction. In other words, he can only be called by a parent transaction. Otherwise, he's going to throw an exception. 4:propagation_requires_new That's a bit of a detour. For example, we design Servicea.methoda with a transaction level of Propagation_required,serviceb.methodb of Propagation_requires_new, Then when th

then described in detail, and now we just need to know that "n" means the number of query results, "nscanned" indicates the total number of files that MongoDB scanned during the completion of this query, and "Millis" represents the number of milliseconds this query takes. As you can see, the entire collection is traversed for the purpose of finding User1000,mongodb, consuming 411 milliseconds. To refine th

1. Windows Phone 7 is a multitasking operating system, but allows only one third-party application to run in the foreground 2. Initiators and selectors provide an indirect way for applications to access the built-in functionality of the phone. Some built-in initiators: Emailcomposetask, Marketplacedetailtask, Marketplacehubtask, Marketplacereviewtask, MarketplaceSearchTask , Mediaplayerlauncher, Phonecalltask, Searchtask, Smscomp

TCP/IP layer-4 model and OSI Layer-7 ModelTable 1-1 is the table corresponding to the TCP/IP layer-4 model and the OSI Layer-7 model. We map the OSI Layer-7 network model with the Linux TCP/IP layer-4 concept model, and then class

nested document (equivalent to a one-to-many relationship)MongoDB Syntax:. Save ({ID: ' 2015040013 ', Name: ' New partner sourcing process ', Dept: ' Management department ', DETAIL:[{WF: ' Wfname: ' Start '},{WF: ' "' wfname '), ' End '} ')SOAP Requests:(3) Modify the data, in the case of the _id value is unchanged, to perform the modification operationMongoDB Syntax:. Save ({"_id": {"$oid": "5525d9e084ae

Common use of WebClient code snippets in 1.Windows Phone 7: WebClient twitter = new WebClient(); twitter.DownloadStringCompleted += new DownloadStringCompletedEventHandler (twitter_DownloadStringCompleted); twitter.DownloadStringAsync(new Uri ("http://api.twitter.com/1/statuses/user_timeline.xml?screen_name=" + TwitterNameBox.Text)); 2. When Windows Phone 7 program is deactivated, we n

in one page or a screen.　　The following methods should be tried when considering what classes are needed and what methods are required for the class:(1) write down a description of the problem (what does the program do?) ), underline all nouns, verbs, and adjectives.(2) for all nouns, as a possible class.(3) For all verbs, as a possible method.(4) For all adjectives, as a possible characteristic.(5) Assign

Before you read this article, you can read the offsetleft, offsettop, Offsetwidth, offsetheight properties of JavaScript Drag Drop Series 2 to clarify the context. Okay, let's get to the point. The same properties/methods as the model 1 Button Properties An integer type that can be read and writable. For a specific mouse event, the mouse button is pressed, it can be dragged and dragged, to determine whether the left mouse button to raise the MouseDown event. All of its values and its meaning (r

window paper you don't know is bastion.At that time we were feeling violence, but the fact is that, only with a for loop, so that, anyway, 10^18 must have timed out, so at the time also thought of should use binary or some kind of reduction in the calculation of the method, but it is not to do, but also think of multiples of the problem, even some people think of prime, But the fact is that the prime judgment condition is not as good as these 4 numbe

Transformation:jquery Object [0] = + DOM Object$ (Dom object) = = jquery Object1.id$ ("#id")2.class$ (". CN")3. Get all the A tags in the label$ (' a ')4. Get a collection of multiple labels$ ("a,.cn. #in")5. Hierarchy$ ("#in a") all a labels with an ID of n$ ("#in >a") son level6. Index$ ("#i10 A:eq (2)") ID i10 a label with index value 2And there is: first/: Last7. Filter Properties$ (' [Alex] ')$ ("[Alex

/* The father gives 2520 oranges to six sons. After the split, the father said, "the old man gave you 1/8 of the oranges to the second child. The second child gave the old man 1/7 of the oranges to the third child; after getting the old Three, they scored 1/6 yuan for the old four, and 1/5 yuan for the old four. After getting the old five, they scored 1/4 yuan for the old six; after getting the old six, we

One, picture and text mixed row1. Combination and folding Title: draw a shape and make it a group 650) this.width=650; "height=" 104 "src=" http://s3.51cto.com/wyfs02/M02/77/74/wKioL1ZoB_ Naygsyaaaibh3mj6a955.gif "alt=" Wkiol1zob_naygsyaaaibh3mj6a955.gif "/>Tip: PressCtrl +Drag=CopyPressshif+tClick Individually=Multi-Select2.Stacking Order title: Draw the following graphic 650) this.width=650; "height=" 167 "src=" Http://s3.51cto.com/wyfs02/M01

bool is_scalar ( mixed $var ) If the given variable parameter var is a scalar,is_scalar () returns TRUE , otherwise returns FALSE .Scalar variables are variables that contain an integer,float,string, or Boolean, while array, object,and resource are not scalars. functionShow_var($var){if (Is_scalar($var)){Echo$var;} else {Var_dump($var);}}$pi=3.1416;$proteins= Array ("Hemoglobin","Cytochrome c oxidase",) ; show_var $pi ); // print: 3.1416 show_var ( $proteins ) // Print: //array (

; intN; voidSearchintcur) { if(cur==N) { for(inti =0; i) printf ("%d", Disp[i]); printf ("\ n"); Tot++; } Else for(intI=0; i) { intok=1; C[cur]=i;//try to put the Queen of cur in column I. for(intj=0; j//Check if there's a clash with the Queen. if(c[cur]==c[j]| | cur-c[cur]==j-c[j]| | cur+c[cur]==j+C[j]) {OK=0; Break; } if(OK) {Disp[cur]=i;//the current line of the Queen in the first few columnsSearch (cur+1); } } }intMain () { while

# #简单的mongodb入门命令 # #1.show dbs; View Current Database2.use DatabaseName; Select Library3.show tables/collections; See which tables are in the database4.db.help (); View some of the operations commands for database5.mongodb Library is created implicitly , we can use a non-existent library, and then create collection under the library, you can create the library;For example: db.createcollection (' user ');Db

BH (0x20fe6d64) file #: 7 rdba: 0x01c00082 (7/130) class: 4 ba: 0x20cb6000 Set: 3 pool: 3 bsz: 8192 bsi: 0 sflg: 1 pwc: 0, 0 Dbwrid: 0 obj: 23199 objn: 23199 tsn: 7 afn: 7 hint: f Hash

Tags: oracle linux 4-5-6-7 online yum MountManually connecting to the Oracle Linux Yum Server Download and Install Oracle LinuxNote: The Oracle Linux Yum Server is already configured on Oracle Linux 5 update 7 and Oracle Linux 6 Update 3 and higher. No further configuration is necessary. Note:Linux for Sp