大约有 16,000 项符合查询结果（耗时：0.0188秒） [XML]
Why is document.write considered a “bad practice”?
...cripts small
They don't have to worry about overriding already established onload events or including the necessary abstraction to add onload events safely
It's extremely compatible
As long as you don't try to use it after the document has loaded, document.write is not inherently evil, in my humbl...
Disable IPython Exit Confirmation
...s really irritating that every time I type exit() , I get prompted with a confirmation to exit; of course I want to exit! Otherwise, I would not have written exit() !!!
...
Is it possible to ping a server from Javascript?
...ip = ip;
var _that = this;
this.img = new Image();
this.img.onload = function() {_that.good();};
this.img.onerror = function() {_that.good();};
this.start = new Date().getTime();
this.img.src = "http://" + ip;
this.timer = setTimeout(function() { _that.bad();}, 1500);...
Convert blob URL to normal URL
...blob);
var xhr = new XMLHttpRequest;
xhr.responseType = 'blob';
xhr.onload = function() {
var recoveredBlob = xhr.response;
var reader = new FileReader;
reader.onload = function() {
var blobAsDataUrl = reader.result;
window.location = blobAsDataUrl;
};
re...
How to save as a new file and keep working on the original one in Vim?
...
I just confirmed that without the "%:h/" the file will be saved in the directory you were in when you opened vim, not where the original file was....
– RVC
Jun 24 '16 at 11:33
...
Vagrant reverse port forwarding?
...ort 52698 from Vagrant, as long as you logged in via vagrant ssh.
You can confirm it works by running netstat -lt on vagrant VM and taking a note on the following lines:
tcp 0 0 localhost:52698 *:* LISTEN
tcp6 0 0 ip6-localhost:52698 [::]:* ...
Is file append atomic in UNIX?
...e about that? Could you provide some link about that behaviour? I found it confirmed if the descriptor is a pipe, but I couldn't find evidence that it works for any file . including normal, non-NFS file objects.
– Alan Franzoni
Mar 3 '11 at 15:22
...
Set keyboard caret position in html textbox
...en they receive focus:
function addLoadEvent(func) {
if(typeof window.onload != 'function') {
window.onload = func;
}
else {
if(func) {
var oldLoad = window.onload;
window.onload = function() {
if(oldLoad)
...
Send POST data using XMLHttpRequest
...setRequestHeader('Content-type', 'application/x-www-form-urlencoded');
xhr.onload = function () {
// do something to response
console.log(this.responseText);
};
xhr.send('user=person&pwd=password&organization=place&requiredkey=key');
Or if you can count on browser support you c...
Is there a builtin confirmation dialog in Windows Forms?
I'd like to create a simple confirm dialog saying "Please check the information and if you're sure it's correct, click OK."
...