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Linq code to select one item
...use the extension methods directly like:
var item = Items.First(i => i.Id == 123);
And if you don't want to throw an error if the list is empty, use FirstOrDefault which returns the default value for the element type (null for reference types):
var item = Items.FirstOrDefault(i => i.Id == ...
In Firebase, is there a way to get the number of children of a node without loading all the node dat
...nd its count equal newcount, && newcount (priority) can only go up by one.
}
}
Test script to add 10 votes by different users (for this example, id's faked, should user auth.uid in production). Count down by (i--) 10 to see validation fail.
<script src='https://cdn.firebase.com/v0/f...
Is it possible to have multiple styles inside a TextView?
...DateAdded + "</small>"));
For an unofficial list of tags supported by this method, refer to this link or this question: Which HTML tags are supported by Android TextView?
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Expand a div to fill the remaining width
...l be an ordinary block, taking up all available width except that occupied by the float.
This should work across all current browsers, though you may have to trigger hasLayout in IE6 and 7. I can't recall.
Demos:
Fixed Left: http://jsfiddle.net/A8zLY/5/
Fixed Right: http://jsfiddle.net/A8zLY/2/...
Test iOS app on device without apple developer program or jailbreak
...ws you to deploy and run any number of apps on any of your devices, simply by logging in with your Apple ID. You will no longer need a paid Program membership to deploy apps on your own device (and you certainly no longer have to jailbreak your device if you're not comfortable doing so).
Well, not f...
Why would a JavaScript variable start with a dollar sign? [duplicate]
... of ECMAScript, using $-prefixed variable names was explicitly discouraged by the spec except in the context of autogenerated code:
The dollar sign ($) and the underscore (_) are permitted anywhere in an identifier. The dollar sign is intended for use only in mechanically generated code.
Howev...
Changing iframe src with Javascript
...robably because you are using the wrong brackets here:
document.getElementById['calendar'].src = loc;
should be
document.getElementById('calendar').src = loc;
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How do you use $sce.trustAsHtml(string) to replicate ng-bind-html-unsafe in Angular 1.2+
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How can you do this with a value returned by a function? <p ng-bind-html="">{{description(category.id)}}</p>
– dasper
Sep 20 '13 at 7:00
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Which $_SERVER variables are safe?
... values into three categories:
Server controlled
These variables are set by the server environment and depend entirely on the server configuration.
'GATEWAY_INTERFACE'
'SERVER_ADDR'
'SERVER_SOFTWARE'
'DOCUMENT_ROOT'
'SERVER_ADMIN'
'SERVER_SIGNATURE'
Partly server controlled
These variables de...
Algorithm to find top 10 search terms
...:
Manku, Motwani - "Approximate Frequency Counts over Data Streams" [pdf]
By the way, Motwani, of Stanford, (edit) was an author of the very important "Randomized Algorithms" book. The 11th chapter of this book deals with this problem. Edit: Sorry, bad reference, that particular chapter is on a dif...