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removeEventListener on anonymous functions in JavaScript
... = {};
var handler = function(e) {
t.scroll = function(x, y) {
window.scrollBy(x, y);
};
t.scrollTo = function(x, y) {
window.scrollTo(x, y);
};
};
window.document.addEventListener("keydown", handler);
You can then remove it by
window.document.removeEventListener("...
Intercept page exit event
... Ghommey's answer, but this also supports old versions of IE and Firefox.
window.onbeforeunload = function (e) {
var message = "Your confirmation message goes here.",
e = e || window.event;
// For IE and Firefox
if (e) {
e.returnValue = message;
}
// For Safari
return message;
};...
Adjust width and height of iframe to fit with content in it
...on resizeIFrameToFitContent( iFrame ) {
iFrame.width = iFrame.contentWindow.document.body.scrollWidth;
iFrame.height = iFrame.contentWindow.document.body.scrollHeight;
}
window.addEventListener('DOMContentLoaded', function(e) {
var iFrame = document.getElementById( 'iFrame1' );
r...
Why can't a text column have a default value in MySQL?
...umn on a table, and give it a default value in MySQL, you get an error (on Windows at least). I cannot see any reason why a text column should not have a default value. No explanation is given by the MySQL documentation. It seems illogical to me (and somewhat frustrating, as I want a default value!)...
How to increase font size in NeatBeans IDE?
...gt;>Options>>"Fonts & Colors" (is an inner menu in the dialog window of Options)
At the "Syntax" tab ,every entry in the "Category:" list-box ,you will notice that the font has the value "Inherited".
If you find in the "Category" list-box the entry with the name "Default" and change th...
Is file append atomic in UNIX?
...
Edit: Updated August 2017 with latest Windows results.
I'm going to give you an answer with links to test code and results as the author of proposed Boost.AFIO which implements an asynchronous filesystem and file i/o C++ library.
Firstly, O_APPEND or the equiva...
html5 localStorage error with Safari: “QUOTA_EXCEEDED_ERR: DOM Exception 22: An attempt was made to
... something to storage that exceeded the quota."
What happens is that the window object still exposes localStorage in the global namespace, but when you call setItem, this exception is thrown. Any calls to removeItem are ignored.
I believe the simplest fix (although I haven't tested this cross bro...
Revert to Eclipse default settings
...
You can reset to the default color scheme in the Window>Preferences options page. This example will be for resetting a theme used for Java.
Navigate to Windows>Preferences>Java>Editor. Click on Syntax Coloring. Click "Restore Defaults" and "Apply". Then, naviga...
Search stops working for “Entire Solution”
...mingly nonsensical solution I've found is to click inside the Find Results window (not the Output window). Once the blinking text cursor is visible, hit Ctrl+Break four or five times. This seems to "unblock" whatever causes the problem.
There are reports Ctrl + ScrLk may need to be used instead of ...
Is JavaScript guaranteed to be single-threaded?
...directly, they could happen because you called alert(), or opened a pop-up window, or anything else that moves the focus.
This can also result in other events. For example add an i.onchange listener and type something in the input before the focus() call unfocuses it, and the log order is log in, c...