clear

For some reason in my program when I reach a certain spot, I have to press Enter twice in order to get it to submit. I added the clear to keep it from skipping input and the ignore() to keep it from keeping any extra characters in the buffer. I enter my input and then it drops down to a new line, I hit Enter again and it enter the input and continues the program no problem but I'm wondering why. Here's a code snippet: cin.ignore(); cout << "Enter Student Major (ex. COSC): "; cin.getline(student.major, 6); for(int i = 0; i < sizeof(student.major); i++) student.major[i] = toupper(student.major[i

I want to clear the output of a C program produced with printf statements. I want to clear only one line, for example: [source] printf("AAAAAAAAAAAAAA\n"); printf("BBBBBBBBBBBBBB\n"); printf("CCCCCCCCCCCCCC\n"); printf("DDDDDDDDDDDDDD\n"); [terminal] AAAAAAAAAAAAAA BBBBBBBBBBBBBB CCCCCCCCCCCCCC DDDDDDDDDDDDDD [I hope] AAAAAAAAAAAAAA BBBBBBBBBBBBBB CCCCCCCCCCCCCC I will "DDDDDDDDDDDDDD" line in write other string. I just want the above A, B, C sentences to left. Only clear D sentences to change the other sentences, unconditionally output D sentences. How do I do this? Naruil There're several

I'm reading data from 9 different sensors for my robot and I need to display them all steadily, in the same window so I can compare the values and see if any of the readings is off. The problem I'm having with both Serial.print and lcd.print is that the values are constantly moving and I can't really have a good look at them while moving the robot. I was thinking to call something like Serial.clear() before displaying anything else and that would just keep things steady and in one place, changing only the values. From what I found so far, Serial.print(17,BYTE) for instance is no longer

I know this is pretty basic, but it is giving me hangups. I have a basic list: <ul> <li><a href="#">Insert Link Here</a></li> <li><a href="#">Insert Link Here</a></li> <li><a href="#">Insert Link Here</a></li> </ul> What do I need to do to make sure the last <li> item gets cleared? I've tried adding style="clear:both" to the end with no avail. Also I've added a 'div' after the last <li> tag before the closing </ul> tag, that works, but I know it doesn't validate. If you want to have the background behind a block item which has only floated items inside, then: ul { overflow: auto; } Given that

This question already has answers here : How do I empty an array in JavaScript? (18 answers) I'm trying to empty an array containing my drawn coordinates when a button "clear" is pressed. When I call drawnDivs.clear() , I get an error that it is not a function. drawnDivs is certainly an array, and I have Firebug console.log s printing things out. It's hosted here . Nope, it's not. But drawnDivs.length = 0 should work. drawnDivs = []; subhaze It was answered in Stack Overflow question How do I empty an array in JavaScript? . Two examples from the answer: var A = ['some', 'values', 'here']; /

<div style="float:left">Hello</div> <div style="float:right">Howdy dere pardner</div> <div style="clear:both"></div> I get what it does, but why the name both ? What does both mean ? Both means "every item in a set of two things". The two things being "left" and "right" Sagar Pise Description of the possible values: left : No floating elements allowed on the left side right : No floating elements allowed on the right side both : No floating elements allowed on either the left or the right side none : Default. Allows floating elements on both sides inherit : Specifies that the value of the

I am trying to clear the contents of a file I made in java. The file is created by a PrintWriter call. I read here that one can use RandomAccessFile to do so, and read somewhere else that this is in fact better to use than calling a new PrintWriter and immediately closing it to overwrite the file with a blank one. However, using the RandomAccessFile is not working, and I don't understand why. Here is the basic outline of my code. PrintWriter writer = new PrintWriter("temp","UTF-8"); while (condition) { writer.println("Example text"); if (clearCondition) { new RandomAccessFile("temp","rw")

浮动 浮动是css里面布局最多的一个属性，也是很重要的一个属性。 float：表示浮动的意思。它有四个值。 none: 表示不浮动，默认 left: 表示左浮动 right：表示右浮动 看一个例子 html结构： <div class="box1"></div> <div class="box2"></div> <span>路飞学城</span> css样式： .box1{ width: 300px; height: 300px; background-color: red; float:left; } .box2{ width: 400px; height: 400px; background-color: green; float:right; } span{ float: left; width: 100px; height: 200px; background-color: yellow; } 我们会发现，三个元素并排显示，.box1和span因为是左浮动，紧挨在一起，这种现象贴边。.box2盒子因为右浮动，所以紧靠着右边。 那么浮动如果大家想学好，一定要知道它的四大特性 1.浮动的元素脱标 2.浮动的元素互相贴靠 3.浮动的元素由"子围"效果 4.收缩的效果 浮动元素脱标 脱标：就是脱离了标准文档流 看例子 <div class="box1">小红</div> <div