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increase the content in the a.txt to make the read time longer,Code, create main3.js write the above code, use Reatereadstream to create a read stream object, use on the object to listen to "data" to read the event, each read a piece of data, will trigger this event, when read, it will trigger an "end" event.With the execution of Main3.js, we can see the results printed below, from multiple lines of printed "...", and we can see that reading is done more than once.Will read to the data, slowly

the turtle departs (located in the center of the form, glans to the right), we firstTurtle. left (a) rotates the turtle to a 45-degree turn (counterclockwise). At this point, the turtle remains in the center of the form, but the glans points to the top right. Next, let the turtle crawl in the direction of the changed glans, turtle. Forward, a line segment that points to the top right of the screen is drawn. PracticeTry to get the little turtle to draw a squareTry to draw a square with 3 overl

First introduce to you the database engineer, database Engineer, is engaged in the management and maintenance of database management system (DBMS) related to the staff of the general, he is a branch of Operations engineer, mainly responsible for the business database from the design, Test to the full lifecycle management of the deployment delivery. The core goal of database engineers is to ensure the stability, security, integrity and high performance of the database management system. here to

-modules are listed as follows: submodule name Main implementation features io read, save, and display pictures or videos data provide some test pictures and sample data color color space transform filters image enhancements, edge detection, sorting filters, auto thresholds, etc. Draw operates on basic drawing on the NumPy array, including lines, rectang

Android device driver (14 speak)Android Embedded Development Tutorials for people:1 engineers who want to learn from embedded bottom2 familiar with Android application and framework development, hope to go from top to bottom through Android system engineer3 do not want to be confined to the upper level, want to do the driver, System transplant engineer4 well-grounded graduate students or graduating graduates5 have mobile phone hardware repair Foundation, hope to go to software development of sp

update, insert objnew,true is inserted , default is false, do not insert. A fourth parameter, The default is false, update only the first record found, if this parameter is true, the condition is checked out all the records are updated. Let's change a piece of data, the modifier uses the $setAfter running the following code, we find that the age in the data of name Zhangsan is modified to 50 (originally 25)Delete the data field, using the $unsetThe following code removes the Age property of the

Recommend a set of zero-based learning. NET development tutorial, online class, do not affect the normal work, only six months to be able to become a. NET Development engineer Daniel1. Starting from the. NET Negative Foundation, the content is based on C # syntax, new grammar features, Web technology, database technology, client technology, WINFORM,WPF,ASP.NET,MVC and many other content, into the system, all the content of zero-based, instructor-led t

Recommend a set of zero-based learning. NET development tutorial, online class, do not affect the normal work, only six months to be able to become a. NET Development engineer Daniel1. Starting from the. NET Negative Foundation, the content is based on C # syntax, new grammar features, Web technology, database technology, client technology, WINFORM,WPF,ASP.NET,MVC and many other content, into the system, all the content of zero-based, instructor-led t

"Fortune Bar Resource Network Sharing" course is very complete, is also very 0 basis, suitable for any student, there is a need to download to see!Course Catalogue:1th Chapter Adobe Photoshop CS6Lesson 1 Adobe Photoshop CS6 Basics 52:24Lesson 2 Creating and editing a selection (top) 46:57Lesson 3 Creating and editing a selection (bottom) 48:59Lesson 4 mastering Layers and group layers (top) 48:01Lesson 5 ma

Program Ape Learn English on the visual English webAndroid Program Development 0 Basic Tutorial (i)Platform Brief Introduction 's exciting Google mobile OS platform-android officially announced on November 13, 2007, an open-source operating system with Linux as its kernel. As a developer, we are concerned with the architecture of this platform and the supported development languages. Here is the platform ar

frequently, you will find that almost every entry in it uses this kind of navigation method. If the browser cannot find a named anchor that is already defined, it will be positioned at the top of the document. Other tricks 1) Link Add text tip You can use the Title property to hover over a hyperlink to display a text comment for that hyperlink. such as . Move the mouse over the link to see the effect: Home 2) Link to email addres