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How to change the playing speed of videos in HTML5?
...'video').playbackRate = 3.0;
The above works on Chrome 43+, Firefox 20+, IE 9+, Edge 12+.
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Passing a function with parameters as a parameter?
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Use a "closure":
$(edit_link).click(function(){ return changeViewMode(myvar); });
This creates an anonymous temporary function wrapper that knows about the parameter and passes it to the actual callback implementation.
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Remove URL parameters without refreshing page
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TL;DR
1- To modify current URL and add / inject it (the new modified URL) as a new URL entry to history list, use pushState:
window.history.pushState({}, document.title, "/" + "my-new-url.html");
2- To replace current URL without adding it to history entries, use replaceState:
window.h...
mysql_fetch_array()/mysql_fetch_assoc()/mysql_fetch_row()/mysql_num_rows etc… expects parameter 1 to
...OM Users WHERE UserName LIKE '$username'");
if($result === FALSE) {
die(mysql_error()); // TODO: better error handling
}
while($row = mysql_fetch_array($result))
{
echo $row['FirstName'];
}
mysqli extension
procedural style:
$username = mysqli_real_escape_string($mysqli, $_POST['userna...
Entity Framework code first unique column
...ace:
using System.ComponentModel.DataAnnotations.Schema;
If your model field is a string, make sure it is not set to nvarchar(MAX) in SQL Server or you will see this error with Entity Framework Code First:
Column 'x' in table 'dbo.y' is of a type that is invalid for use as a key column in an ...
Is it possible to get the iOS 5.1 SDK for Xcode 4.2 on Snow Leopard?
...eloper/Platforms/iPhoneOS.platform/DeviceSupport/5.1 (9B176)
Place the copied files in the equivalent place on your Snow Leopard Mac: probably
/Developer/Platforms/iPhoneOS.platform/DeviceSupport
Similarly copy the iOS 5.1 SDK files found in this directory:
/Developer/Platforms/iPhoneOS.pl...
How to create an array containing 1…N
...ontainer of the right length that you can iterate over... this might be easier.
See it in action here: http://jsfiddle.net/3kcvm/
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Provide an image for WhatsApp link sharing
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2020 standards
It takes a few steps to get the perfect preview for WhatsApp, Twitter, Facebook and bookmark icons for pc's and mobile devices. If you like reading go to ogp.me - but make sure to read steps 1 - 6 in this answer to get the best WhatsApp preview.
Please note: some apps ...
Does JSON syntax allow duplicate keys in an object?
...ails. Such standards may require specific behaviours. JSON
itself specifies no behaviour.
Further down in the standard (p. 2), the specification for a JSON object:
An object structure is represented as a pair of curly bracket tokens surrounding zero or more name/value pairs.
A name is a...
Tree data structure in C#
... Data Structures Using C# 2.0 explains a bit about why. Is there a convenient library which is commonly used to provide this functionality? Perhaps through a strategy pattern to solve the issues presented in the article.
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