how to get text

String str = "Hello"; Canvas.drawtext (str, x, y, paint); 1. Rough calculation of text width log.d (TAG, "measuretext=" + paint.measuretext (str)); 2. To compute the rectangle in which the text is located, you can get a width-high Rect Rect = new

The company's boss to a task, request to print a form, but I entered the text, found that the text in the form is always not centered, looks not beautiful, the other lines of text can be centered, but only one line of the center show, this is how ah?

Requirements: Click the button to get the selected content in the input box, to make the selected content red, Implementation: The code is as follows Test Effect:

The title is a bit round, for example: august 11". 2013 north carolina Fayetteville williams family reunion What I want The above SVG, how to get to in the same time in outside the text "What I want". I tried $ ('

The menu operations in python tkinter are mentioned in the previous blog. Python development _ tkinter _ multi-level sub-menu Python developer _ tkinter _ gets the single-choice menu Value Below is the tkinter's getting text box content _ add

Recently, during registration, many apps directly enter the verification code when receiving text messages from their mobile phones. The user's automatic input is omitted on the interface. This is really user-friendly, so I made a new one

Copy code code as follows:   Function apptag (tagcode)   {   document. postmessage.message.value += tagcode;  }  Function inserttag (Tagbegin, Tagend)   {   if  (document.selection) && (document.selection.

Encountered today to get the text width of the problem, check for a long time, and finally found a foreign site on the method, but can not be directly used, so modified a bit, successfully used in the project, here to share to everyone. First, add

First of all, JavaScript is written directly on the input Copy Code code as follows: jquery Implementation Method For the element focus event, we can use the focus function of jquery (), Blur (). Focus (): used in the

A total of two pages, respectively, are as follows: I. Creating a page create.jsp Copy Code code as follows: > "/> two. Receive data page request.jsp Copy Code code as follows: Testing String data=

Foreground code: Copy Code code as follows: Text: Value: Background code: Copy Code code as follows: public partial class

The example of this article is about the method of obtaining the content of text box by the DIV layer in the Input text page of JS implementation text box. Share to everyone for your reference. The implementation methods are as follows: Copy

Limit.js Code Copy Code code as follows: txt: text box jquery object Limit: Limit the number of words Isbyte:true: Limit as number of bytes; False: View limit as number of characters CB: Callback function, parameter is the

VaR tree = ext. tree; VaR tree = NULL; Ext. onready (function (){ Tree = new tree. treepanel ({ El: 'tree-Div ', Onlyleafcheckable: false, Rootvisible: True, Autoscroll: True, Animate: false, // whether to animation Enabledd: True, //

To implement editable table functions, we will address the following issues: 1. Identify the columns in the table where the data to be modified is found (how to find the cells); 2. How to make cells can be edited; 3. How to handle some key events in

When I first started using native controls for Android, I was beginning to feel that native controls could actually meet some of the school's small project developments, and it didn't go deep into customizing the view. But after taking part in the

What do you call dom?Dom is the Document Object model, which is a set of API interfaces based on browser programming (in this tutorial, which can be said to be DHTML programming), the recommended standard for the web, and each browser has some

The Sax-Simple API for XML is simply a set of sun-provided API mechanisms that manipulate XML data.The parsing principle used by Sax is based on the mechanism of event triggering.Sax technology can only be read by XML data. 1. Prepare XML file to

1. Text box 1.1 The value is assigned to the variable t by the Var T=document.getelementbyid ("Test"). 1.2 You can, of course, assign the value of a given variable to a text box, for example: var m = "5";document.getElementById ("Test"). value=

This article mainly introduces the use of Angular. js makes a simple RSS reader tutorial. AngularJS is a very popular JavaScript library. The production method described in this article mainly uses the FreedReadR template. For more information,