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How to use jQuery to select a dropdown option?
...ttr('selected', true);
example at http://www.jsfiddle.net/gaby/CWvwn/
for modern versions of jquery you should use the .prop() instead of .attr()
$('select>option:eq(3)').prop('selected', true);
example at http://jsfiddle.net/gaby/CWvwn/1763/
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getting the X/Y coordinates of a mouse click on an image with jQuery [duplicate]
...t to get the position of an element.
So, it should be pageX - offset.left for how far from the left of the image and pageY - offset.top for how far from the top of the image.
Here is an example:
$(document).ready(function() {
$('img').click(function(e) {
var offset = $(this).offset();
a...
Have a div cling to top of screen if scrolled down past it [duplicate]
...e is first loaded, is about 100px from the top (it holds some buttons etc. for the page).
4 Answers
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How to add line breaks to an HTML textarea?
...eaks (\n\r?) are not the same as HTML <br/> tags
var text = document.forms[0].txt.value;
text = text.replace(/\r?\n/g, '<br />');
UPDATE
Since many of the comments and my own experience have show me that this <br>
solution is not working as expected here is an example of how to ap...
Stopping an Android app from console
...it: Long after I wrote this post and it was accepted as the answer, the am force-stop command was implemented by the Android team, as mentioned in this answer.
Alternatively: Rather than just stopping the app, since you mention wanting a "clean slate" for each test run, you can use adb shell pm cle...
How to trigger the window resize event in JavaScript?
...on window resize. I want to know how I can trigger the event to be called. For example, when hide a div, I want my trigger function to be called.
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In jQuery, how do I get the value of a radio button when they all have the same name?
...
In your code, jQuery just looks for the first instance of an input with name q12_3, which in this case has a value of 1. You want an input with name q12_3 that is :checked.
$("#submit").click(() => {
const val = $('input[name=q12_3]:checked').val...
Kill process by name?
...
Assuming you're on a Unix-like platform (so that ps -A exists),
>>> import subprocess, signal
>>> import os
>>> p = subprocess.Popen(['ps', '-A'], stdout=subprocess.PIPE)
>>> out, err = p.communicate()
gives you ps -A's o...
How to list containers in Docker
...created irrespective of its state.
And to stop all the Docker containers (force)
docker rm -f $(docker ps -a -q)
Here the container is the management command.
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GridCtrl 控件FAQ - C/C++ - 清泛网 - 专注C/C++及内核技术
...mnNum];
nWidth[0]=60;
nWidth[1]=120;
nWidth[2]=120;
for(int i=0; i<m_ nColumnNum; i++)
m_Grid.SetColumnWidth(i, nWidth[i]);
i=0;
m_Grid.SetItemText(0,i++,"第一列");
m_Grid.SetItemText(0,i++,"第二列");
m_Grid.SetItemText(0,i++,"第三列");
...