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C# Lazy Loaded Automatic Properties
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Here's my implementation of a solve to your problem. Basically the idea is a property that will be set by a function at first access and subsequent accesses will yield the same return value as the first.
public class LazyProperty<T>
{
bool _initialized = false;
T _result;...
How to print HTML content on click of a button, but not the page? [duplicate]
...me across another elegant solution for this:
Place your printable part inside a div with an id like this:
<div id="printableArea">
<h1>Print me</h1>
</div>
<input type="button" onclick="printDiv('printableArea')" value="print a div!" />
Now let's create a rea...
How can I do width = 100% - 100px in CSS?
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Modern browsers now support the:
width: calc(100% - 100px);
To see the list of supported browser versions checkout: Can I use calc() as CSS unit value?
There is a jQuery fallback: css width: calc(100% -100px); alternative using jquery
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How do I check how many options there are in a dropdown menu?
...tList > option').length;
This assumes your <select> list has an ID of mySelectList.
http://api.jquery.com/length/
http://api.jquery.com/children/
http://api.jquery.com/child-selector/
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ActiveRecord: List columns in table from console
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Great! Using Model.columns provides all the information for a table through ActiveRecord. Crucially for me it was the only and easiest way to gain confidence in what my primary key really was at the database level.
– nibbex
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HTML5 best practices; section/header/aside/article elements
...elements, always ask yourself: “Is all of the content related?”
aside – Used for tangentially related content. Just because some content appears to the left or right of the main content isn’t enough reason to use the aside element. Ask yourself if the content within the aside can be rem...
Get names of all keys in the collection
...resulting collection so as to find all the keys:
db[mr.result].distinct("_id")
["foo", "bar", "baz", "_id", ...]
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How to change the text on the action bar
...world App");
getSupportActionBar().setTitle("Hello world App"); // provide compatibility to all the versions
=> Customizing Action Bar,
For example:
@Override
public void setActionBar(String heading) {
// TODO Auto-generated method stub
com.actionbarsherlock.app.ActionBar actionB...
Facebook Graph API v2.0+ - /me/friends returns empty, or only friends who also use my application
I am trying to get my friend name and ids with Graph API v2.0, but data returns empty:
7 Answers
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Test if element is present using Selenium WebDriver?
...ElementFound exception, which is a shame as I was hoping to use this to avoid catching that exception in a given instance.
– user3864935
Aug 4 '15 at 8:54
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