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HTML5 Video Dimensions
...--- //
/**
Returns the dimensions of a video asynchrounsly.
@param {String} url Url of the video to get dimensions from.
@return {Promise} Promise which returns the dimensions of the video in 'width' and 'height' properties.
*/
function getVideoDimensionsOf(url){
return new Promise(fun...
Case insensitive access for generic dictionary
...
There's no way to specify a StringComparer at the point where you try to get a value. If you think about it, "foo".GetHashCode() and "FOO".GetHashCode() are totally different so there's no reasonable way you could implement a case-insensitive get on a c...
Lock, mutex, semaphore… what's the difference?
...ic static Semaphore Bouncer { get; set; }
public static void Main(string[] args)
{
// Create the semaphore with 3 slots, where 3 are available.
Bouncer = new Semaphore(3, 3);
// Open the nightclub.
OpenNightclub();
}
...
How to pass a class type as a function parameter
... the types in the method call:
class func invokeService<T>(service: String, withParams params: Dictionary<String, String>, returningClass: T.Type, completionHandler handler: ((T) -> ())) {
// The compiler correctly infers that T is the class of the instances of returningClass
...
Showing a Spring transaction in log
...d out, getSpringTransactionInfo() is called and it returns a one-character string that will go into the log.
References:
Tips for Debugging Spring's @Transactional Annotation
org.springframework.transaction.support.TransactionSynchronizationManager
java.lang.ThreadLocal
java.lang.Class.getMethod(...
Calling constructor from other constructor in same class
... the constructor to do 'constructor chaining'
public Test( bool a, int b, string c )
: this( a, b )
{
this.m_C = c;
}
public Test( bool a, int b, float d )
: this( a, b )
{
this.m_D = d;
}
private Test( bool a, int b )
{
this.m_A = a;
this.m_B = b;
}
Source Courtesy of csh...
PDO's query vs execute
...are on the : calories is that kind of the equivalent of mysql_real_escape_string() to stop injections or do you need more than just $sth->bindParam(':calories', $calories); to heighten security?
– Dan
Jan 5 '12 at 12:52
...
HTML.ActionLink vs Url.Action in ASP.NET Razor
...ormMethod.Get))
{
<p>
Find by Name: @Html.TextBox("SearchString", ViewBag.CurrentFilter as string)
<input type="submit" value="Search" />
<input type="button" value="Clear" onclick="location.href='@Url.Action("Index","Company")'"/>
</p>
}
In ...
How to remove an item from an array in AngularJS scope?
...tion above - being - delete({{$index}}) with the {{ }} otherwise I got the string $index - BUT I have something wrong because it never calls that method. It does when I remove any mention of the index like delete() but that doesn't really help.
– mikemil
Oct 2...
How to find out element position in slice?
... }
}
return -1
}
And usage:
xs := []int{2, 4, 6, 8}
ys := []string{"C", "B", "K", "A"}
fmt.Println(
SliceIndex(len(xs), func(i int) bool { return xs[i] == 5 }),
SliceIndex(len(xs), func(i int) bool { return xs[i] == 6 }),
SliceIndex(len(ys), func(i int) bool { return ys[i]...