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How to avoid “ConcurrentModificationException” while removing elements from `ArrayList` while iterat
I'm trying to remove some elements from an ArrayList while iterating it like this:
10 Answers
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How to get the first non-null value in Java?
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the efficiency reasons that i mentioned above is that an array allocation will happen each time you invoke the var arg version of the method. this could be wasteful for hand-fulls of items, which i suspect will be common usage.
– les...
Database design for a survey [closed]
...tored in a database. I'm just wondering what would be the best way to implement this in the database, specifically the tables required. The survey contains different types of questions. For example: text fields for comments, multiple choice questions, and possibly questions that could contain more t...
How to create dictionary and add key–value pairs dynamically?
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var dict = []; // create an empty array
dict.push({
key: "keyName",
value: "the value"
});
// repeat this last part as needed to add more key/value pairs
Basically, you're creating an object literal with 2 properties (called key and value) and inserting it (using push()) into the a...
Load a WPF BitmapImage from a System.Drawing.Bitmap
...d like to make it available to my WPF app in the form of a System.Windows.Media.Imaging.BitmapImage .
10 Answers
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IE7 Z-Index Layering Issues
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Z-index is not an absolute measurement. It is possible for an element with z-index: 1000 to be behind an element with z-index: 1 - as long as the respective elements belong to different stacking contexts.
When you specify z-index, you're specifying it...
What do commas and spaces in multiple classes mean in CSS?
...ontainer_16's 460 pixels wide." So both of the following will render the same:
<div class="container_12">
<div class="grid_6">460px Wide</div>
</div>
<div class="container_16">
<div class="grid_8">460px Wide</div>
</div>
As for the commas, it's ...
ViewPager with previous and next page boundaries
...es. I want edges of previous and next pages to be show like below and implement a 2 finger swipe to switch between pages.
7...
Submitting a form on 'Enter' with jQuery?
...nt.preventDefault() vs. return false
Essentially, "return false" is the same as calling e.preventDefault and e.stopPropagation().
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What's the best way to cancel event propagation between nested ng-click calls?
...Ctrl" class="overlay" ng-click="hideOverlay()">
<img src="http://some_src" ng-click="nextImage($event)"/>
</div>
$scope.nextImage = function($event) {
$event.stopPropagation();
// Some code to find and display the next image
}
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