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var self = this?
Using instance methods as callbacks for event handlers changes the scope of this from "My instance" to "Whatever just called the callback" . So my code looks like this
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Set width of a “Position: fixed” div relative to parent div
...t to look into a javascript solution for browsers that you need to support and that don´t support width:inherit
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Check if something is (not) in a list in Python
I have a list of tuples in Python , and I have a conditional where I want to take the branch ONLY if the tuple is not in the list (if it is in the list, then I don't want to take the if branch)
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Start may not be called on a promise-style task. exception is coming
I am creating a simple wpf desktop application. UI have just a button and code in .cs file like.
3 Answers
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Command-line Unix ASCII-based charting / plotting tool
Is there a good command-line UNIX charting / graphing / plotting tool out there? I'm looking for something that will plot xy points on an ASCII graph.
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What's the effect of adding 'return false' to a click event listener?
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The return value of an event handler determines whether or not the default browser behaviour should take place as well. In the case of clicking on links, this would be following the link, but the difference is most noticeable in form submit handlers, whe...
Align DIV's to bottom or baseline
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Use the CSS display values of table and table-cell:
HTML
<html>
<body>
<div class="valign bottom">
<div>
<div>my bottom aligned div 1</div>
<div>my bottom aligned div 2</div>
<div>...
How to detect a textbox's content has changed
...box').on('input', function() {
// do your stuff
});
...which is nice and clean, but may be extended further to:
jQuery('#some_text_box').on('input propertychange paste', function() {
// do your stuff
});
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UIPopovercontroller dealloc reached while popover is still visible
...anaged by the presentation controller.
Code example (works both on iPhone and iPad):
UIImagePickerController *picker = [[UIImagePickerController alloc] init];
picker.delegate = self;
picker.sourceType = UIImagePickerControllerSourceTypeCamera;
picker.allowsEditing = YES;
picker.modalPresentationSt...
ruby system command check exit code
I have a bunch of system calls in ruby such as the following and I want to check their exit codes simultaneously so that my script exits out if that command fails.
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