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performance works. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 From math import hypot From random import random Import eventlet Import time Def test (tries ): Return sum (hypot (random (), random () Def calcPi (nbFutures, tries ): Ts = time. time () Result = map (test, [tries] * nbFutures) Ret = 4. * sum (result)/float (nbFutures * tries) Span = time. time ()-ts Print "time spend", span Return r

, "aaaaaaaaaaaaaaaaaaaaaaaaaaa="), "KeyId": Numberlong (0)}}}zero:primary Gt Rs.status () # View status {"Set": "Zero", "date": Isodate ("2018-01-09t02:37:13.713z"), "MyState": 1, "term": Num Berlong (1), "HeartbeatintervalmIllis ": Numberlong (+)," Optimes ": {" Lastcommittedoptime ": {" ts ": Timestamp (1515465429, 1), "T": Numberlong (1)}, "Readconcernmajorityoptime": {"ts": Timestamp (151546

HLS (HTTP Live streaming) is a streaming media solution developed by Apple based on the HTTP protocol for mobile devices such as the iphone, IPod, itouch and ipad. In HLS technology, the WEB server provides near-real-time audio and video streaming to clients. However, the use of the standard HTTP protocol is used, so at this time, as long as the use of HLS technology, can be used in ordinary HTTP applications directly on demand and live. Video-related applications in the App Store are basically

, but hibernate also provides the use of native SQL query method, You just need to get a connection.Eg. In the following example, the native SQL statements in the SQL Server database are used, as follows:String timeunit = "13";String sql = "SELECT COUNT (*) count, CONVERT (VARCHAR (" + Timeunit + "), log.gen_datetime,121) Timeunit" + "from log log";SQLQuery query = session.createsqlquery (SQL). Addscalar ("Count", Hibernate.integer). Addscalar ("Timeunit", hibernate.string);List List = Query.lis

Packet Concept (1)TSThe stream is based onPacket bit stream format. Each package is 188 bytes or 204 bytes.(Generally, it is 188 bytes. The format of 204 bytes is only to add 16 bytes of CRC data at the back of the 188-byte packet. Other formats are the same.) The composition of the entire TS stream is as follows: Packet1Packet2......PacketN In actual use, because the TS stream has a strong internal e

text section. When the ACK of message Segment 5 is received, the congestion window is increased to 3. At this point, although up to 3 segments can be sent, only 2 segments are sent before the next ACK is received.Normal Network ExampleIn a normal network, the server in the public network, the client is a virtual machine, through the client 223.226.200.34, each send size of 102400 size data to the server 223.226.200.200, the number of cycles is 1000 times. The two sides of the network good, at t

relational mode R is 1nf, and every non-primary attribute in R is completely dependent on a candidate keyword of R, R is the second paradigm, which is abbreviated as 2nf. [Example 2.40]There is a relational model R (student ID s #, course number C #, score g, instructor TN, instructor expertise TS), R-based function dependency set f = {(s #, C #) → G, C # → TN, TN → ts} to determine whether R is 2nf. Solut

congestion window is increased to 3. At this time, although up to three packet segments can be sent, only two packet segments are sent before the next Ack is received. Normal network example In a normal network, the server is in the public network, and the client is a virtual machine. Through the client 223.226.200.34, each time the data is sent to the server 223.226.200.200 in the size of 102400, the number of cycles is 1000. The network between the two parties is good. At the beginning

Original address: http://www.moye.me/2015/04/25/using_typescript/Into the TypeScript pit for some time, sincerely optimistic, so decided to private plots in the long-winded.What is itTypeScript (hereinafter referred to as TS) is a hard-to-launch JavaScript translation language, which means: It needs to be compiled TS code will be compiled into JavaScript code

from: http://blog.chinaunix.net/uid-22030783-id-3023527.htmlThe kernel comes with s3c2440 touch-screen controller driver, which is the driver of input subsystem, the touch screen driver needs the support of ADC driver, the touch screen driver file is: DRIVERS/INPUT/TOUCHSCREEN/S3C2410_TS.Cadd support for touch-screen drivers in the mach-xc2440.c file to create S3c2410_ts_mach_info platform dataadd the necessary header files:#include xc2440_devices[] structure, add:s3c_device_ts,building platform

= True Else Iswebimg = True End If End Function Function readimg (Fichero) If isgif (Fichero) Then readimg = Readgif (Fichero) Else If isjpg (Fichero) Then readimg = readjpg (Fichero) Else If ispng (Fichero) Then readimg = Readpng (Fichero) Else If isbmp (Fichero) Then readimg = Readpng (Fichero) Else If iswmf (Fichero) Then readimg = readwmf (Fichero) Else readimg = Array (0,0) End If End If End If End If End If End Function Function readjpg (Fichero) Dim FSO,

, name, sex, and age of the student object will be automatically saved in the person table, feature attribute sid, sno, school will save it in the student table. The Id field of the person table and the Sid field of the student table are public void saveStu (Student stu) {Session session = HibernateSessionFactory. g EtSession (); Transaction ts = null; try {ts = session. beginTransaction (); session. saveOr

errors. Therefore, a better function is used. Function library: cookie. inc. php3 */ Jssetcookie ("sess_sid", $ sess_sid, $ min ); Return (false ); } Else { Return (true ); } } #---------------------------------------------------------- # Str2arr-converts a string to a session array # Parameter ......: string # Return value...: Global Array (actually session) # Purpose of this function: convert a string to a session array # For example, "session [username] = yourid session [us

WEBAPI and mobile client communication security mechanismRecently the company has several projects need to develop mobile client, server-side selection Webapi, then how to ensure that the mobile phone client in the request server side of the data is not tampered with, how to ensure the failure mechanism of an HTTP request, the following summarizes our solution to these two problems in the project.The basic ideas are as follows:After the user successfully logged in to the app client, all HTTP req

defined in com_android_calibrate_calibrate.cpp: # Include "../.../../external/tslibonandroid/tests/calibratejni. H" // The folder where the file is located is used as the current directory to go back to Layer 3 and enter other subdirectories Static void tsmainloop (jnienv * ENV, jobject object){Ts_main ();} In this file, the method and class are also defined: Static const char * classpathname = "com/Android/calibrate"; // point to the class called by this CPP Static jninativemethod methods [] =

{unsigned short pressure; unsigned short X; unsigned short Y; unsigned short pad;} ts_ret;, modify it: Char * defaulttseventtype = "h3600 ";* ************************************ If the source code is not modified, you can also re-specify the environment variable export tslib_tseventtype = h3600 in the subsequent tests. // use this to define the device struct in tslib *************** ************************************* if you the Touch Screen driver supports IOCTL operations, in the configure

OID Query /*** OID Query * query based on ID * one-to-many queries*/@Test Public voidTest () {Sessionfactory factory=NULL; Session Session=NULL; Transaction TS=NULL; Try{Factory=hibernateutils.getsessionfactory (); Session=factory.opensession (); TS=session.begintransaction ();//Query the customer 's own contact person, first query customer id=1 customer, according to customer inquiries contactUser user

NPM rebuild Node-sass (reference: http://www.cnblogs.com/niepeishen/p/5762162.html) 4 Compile typescript with Gulp Here we need to use the Gulp-typescript plug-in, the definition gulpfile.js roughly as follows: var gulp = require (' gulp '); var ts = require (' Gulp-typescript '); Gulp.task (' TSC ', function () { gulp.src (' app/**/*.ts ') . PIPE (TS