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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() !!!
...
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...
Haskell testing workflow
...te all properties of the system in QuickCheck
Show test coverage with HPC.
Confirm space behavior with heap profiling.
Confirm thread/parallel behavior with ThreadScope.
Confirm microbenchmark behavior with Criterion.
Once your major invariants are established via QuickCheck, you can start refacto...
How can I make a WPF combo box have the width of its widest element in XAML?
... {
base.OnAttached();
AssociatedObject.Loaded += OnLoaded;
}
protected override void OnDetaching()
{
base.OnDetaching();
AssociatedObject.Loaded -= OnLoaded;
}
private void OnLoaded(object sender, RoutedEvent...
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."
...
Make WPF window draggable, no matter what element is clicked
...is using a delegate to trigger the DragMove() method on either the windows onload event or the grid load event
private void Grid_Loaded(object sender, RoutedEventArgs
{
this.MouseDown += delegate{DragMove();};
}
sha...
Detecting Unsaved Changes
...have unsaved changes.";
}
};
Wrap it all up, and what do you get?
var confirmExitIfModified = (function() {
function formIsDirty(form) {
// ...as above
}
return function(form, message) {
window.onbeforeunload = function(e) {
e = e || window.event;
if (formIsDirty(docu...
download file using an ajax request
...req.open("GET", urlToSend, true);
req.responseType = "blob";
req.onload = function (event) {
var blob = req.response;
var fileName = req.getResponseHeader("fileName") //if you have the fileName header available
var link=document.createElement('a');
link....