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自定义下载器扩展：个性化下载进度展示 - App Inventor 2 拓展 - 清泛IT社...
...gered when an error occurs during download.
Successful Download downloadId, filePath, fileSize, fileName
Event triggered to report download progress, speed, eta, fileSize, and downloadedSize
Download the file of given URL to the given path with
CustomFilePath.isEmpty : filePath = /storage/...
How to use jQuery to select a dropdown option?
...elect>option:eq(3)').attr('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/
...
How do you automatically set the focus to a textbox when a web page loads?
...
or plain javascript:
window.onload = function() {
document.getElementById("Box1").focus();
};
though keep in mind that this will replace other on load handlers, so look up addLoadEvent() in google for a safe way to append onload handlers rather than replacing.
...
UITableViewCell subview disappears when cell is selected
...s when cell is selected or highlighted ,You can Solve this problem by overriding Tableview cell's setSelected:animated and setHighlighted:animated and resetting view background color.
In Objective C :
- (void)setSelected:(BOOL)selected animated:(BOOL)animated {
UIColor *color = self.yourView.ba...
Kill process by name?
...;>> for line in out.splitlines():
... if 'iChat' in line:
... pid = int(line.split(None, 1)[0])
... os.kill(pid, signal.SIGKILL)
...
(you could avoid importing signal, and use 9 instead of signal.SIGKILL, but I just don't particularly like that style, so I'd rather used the named ...
multiprocessing: sharing a large read-only object between processes?
...tion 3B – create a very simple server using werkzeug (or similar) to provide WSGI applications that respond to HTTP GET so the workers can query the server.
Solution 4
Shared filesystem object. Unix OS offers shared memory objects. These are just files that are mapped to memory so that swapp...
Wait for page load in Selenium
...om your code but you are waiting for the dom to be in ready state. But consider that if your code executes too fast the previous page might not be unloaded yet and it will return true even though you are still on the old page. What you need to do is wait for the current page to unload and then call ...
Downloading an entire S3 bucket?
... here for the windows installer aws.amazon.com/cli. It picks up access key id from environment variable "AWS_ACCESS_KEY_ID" and your secret key from "AWS_SECRET_ACCESS_KEY".
– Matt Bond
Jul 18 '14 at 19:03
...
Javascript checkbox onChange
...
function calc()
{
if (document.getElementById('xxx').checked)
{
document.getElementById('totalCost').value = 10;
} else {
calculate();
}
}
HTML
<input type="checkbox" id="xxx" name="xxx" onclick="calc();"/>
...
使用TokuMX配置Replica Set集群 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...，可加参数指定ip、端口，默认本机27017）
config={
"_id" : "ReplSetName",
"members" : [
{"_id" : 0, "host" : "172.16.88.97:27017",priority:2},
{"_id" : 1, "host" : "172.16.88.97:27018",priority:1},
{"_id" : 2, "host" : "172.16.88.97:27019",arbite...