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Good tutorial for using HTML5 History API (Pushstate?) [closed]
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Here is a great screen-cast on the topic by Ryan Bates of railscasts. At the end he simply disables the ajax functionality if the history.pushState method is not available:
http://railscasts.com/episodes/246-ajax-history-state
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What does the ^ operator do in Java?
...es not have such an operator. You can use double Math.pow(double, double) (casting the result to int if necessary).
You can also use the traditional bit-shifting trick to compute some powers of two. That is, (1L << k) is two to the k-th power for k=0..63.
See also
Wikipedia: Arithmetic shi...
How to check if a file exists in the Documents directory in Swift?
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@SaqibOmer try casting paths as NSString rather than String. var paths = NSSearchPathForDirectoriesInDomains(.DocumentDirectory, .UserDomainMask, true)[0] as NSString
– sheepgobeep
Sep 22 '15 at 18:36
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LINQ to Entities does not recognize the method 'System.String ToString()' method, and this method ca
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Cast table to Enumerable, then you call LINQ methods with using ToString() method inside:
var example = contex.table_name.AsEnumerable()
.Select(x => new {Date = x.date.ToString("M/d/yyyy")...)
But be careful, when ...
How to check if IEnumerable is null or empty?
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Count() only iterates the enumeration if it can't be cast to an ICollection. In other words, when you call this method, if there's already a Count property on the object, it will just return that and the performance should be identical. Check out the implementation here: refere...
What does LINQ return when the results are empty
...nto another query. This caused the second query to throw no matter what I cast it to because there was no value being fed into the second query.
– trevorc
Nov 30 '11 at 21:11
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How to add extension methods to Enums
...od to all enums like returning an int of current value instead of explicit casting?
public static class EnumExtensions
{
public static int ToInt<T>(this T soure) where T : IConvertible//enum
{
if (!typeof(T).IsEnum)
throw new ArgumentException("T must be an enumera...
Best practices/performance: mixing StringBuilder.append with String.concat
...would create a new StringBuilder on each line, append the Strings and then cast back to String, while the third method only uses one StringBuilder for the whole thing.
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Cosine Similarity between 2 Number Lists
...stest one. I profiled and find that cosine in scipy takes a lot of time to cast a vector from python list to numpy array.
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How to increment datetime by custom months in python without using library [duplicate]
...date.year + int(mydate.month / 12), ((mydate.month % 12) + 1), 1). Add int cast.
– yW0K5o
Jun 29 '18 at 20:49
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