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List comprehension in Ruby
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Oh yes, it has (since Ruby 2.0): squares_of_all_natural_numbers = (0..Float::INFINITY).lazy.map{|x| x**2}; p squares_of_all_natural_numbers.take(10).to_a
– michau
Oct 7 '14 at 6:34
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“Could not load type [Namespace].Global” causing me grief
In my .Net 2.0 Asp.net WebForms app, I have my Global.asax containing the following code:
33 Answers
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How can I use Timer (formerly NSTimer) in Swift?
...epeats: false instead of true.
timer = Timer.scheduledTimer(timeInterval: 2.0, target: self, selector: #selector(delayedAction), userInfo: nil, repeats: false)
The above example calls a method named delayedAction two seconds after the timer is set. It is not repeated, but you can still call timer...
How to use performSelector:withObject:afterDelay: with primitive types in Cocoa?
...ith very little effort and make it more readable:
double delayInSeconds = 2.0;
int primitiveValue = 500;
dispatch_time_t popTime = dispatch_time(DISPATCH_TIME_NOW, (int64_t)(delayInSeconds * NSEC_PER_SEC));
dispatch_after(popTime, dispatch_get_main_queue(), ^(void){
[self doSomethingWithPrimiti...
How to check if a file exists in the Documents directory in Swift?
...n("FILE AVAILABLE");
}
else
{
println("FILE NOT AVAILABLE");
}
Swift 2.0
let paths = NSURL(fileURLWithPath: NSSearchPathForDirectoriesInDomains(.DocumentDirectory, .UserDomainMask, true)[0])
let getImagePath = paths.URLByAppendingPathComponent("SavedFile.jpg")
let checkValidation = NSFileMan...
How do I URL encode a string
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Swift 2.0 Example (iOS 9 Compatiable)
extension String {
func stringByURLEncoding() -> String? {
let characters = NSCharacterSet.URLQueryAllowedCharacterSet().mutableCopy() as! NSMutableCharacterSet
characters.remo...
Loader lock error
... MORE RECENT FRAMEWORKS
This is an old question asked at the time of .Net 2.0, when support for mixed mode DLLs had serious initialization problems, prone to random deadlocks. As of .Net 4.0, the initialization of mixed mode DLLs has changed. Now there are two separate stages of initialization:
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How to change the default encoding to UTF-8 for Apache?
...to set an AddDefaultCharset Directive. See:
http://httpd.apache.org/docs/2.0/mod/core.html
Look for the mod_mime.c module and make sure the following is set:
AddDefaultCharset utf-8
or the equivalent Apache 1.x docs (http://httpd.apache.org/docs/1.3/mod/core.html#adddefaultcharset).
Howeve...
Passing a single item as IEnumerable
...ts an IEnumerable<T> parameter? Language is C#, framework version 2.0.
18 Answers
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How to establish a connection pool in JDBC?
...ted to Tomcat from Spring -> static.springsource.com/projects/tc-server/2.0/admin/htmlsingle/…. You don't need the whole Tomcat server to use it, just a single jar tomcat-jdbc. You can get it from Maven Central -> org.apache.tomcat:tomcat-jdbc:jar:7.0.22 -> search.maven.org/…
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