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JavaFX and OpenJDK
...s a modular library accessed from an existing JDK (such as an Open JDK installation).
The open source code repository for JavaFX is at https://github.com/openjdk/jfx.
At the source location linked, you can find license files for open JavaFX (currently this license matches the license for OpenJDK...
iOS 5 Best Practice (Release/retain?)
...e for writing apps to be used either with iOS 5 or older versions? Specifically, should I continue using the release/retain of data, or should I ignore that? Does it matter?
...
How can I use Timer (formerly NSTimer) in Swift?
...syntax (iOS 10+)
let timer = Timer(timeInterval: 0.4, repeats: true) { _ in print("Done!") }
// Swift >=3 selector syntax
let timer = Timer.scheduledTimer(timeInterval: 0.4, target: self, selector: #selector(self.update), userInfo: nil, repeats: true)
// Swift 2.2 selector syntax
...
Finding all cycles in a directed graph
How can I find (iterate over) ALL the cycles in a directed graph from/to a given node?
17 Answers
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Is it possible to install iOS 6 SDK on Xcode 5?
Xcode 5 has a preferences pane that allow one to download iPhone 6.1 simulator, however I can't find a place where it allows downloading of iOS 6 SDK, thus it is not possible to set the active SDK to iOS 6 when developing with Xcode 5. Is there a workaround that would allow Xcode 5 to install iOS 6 ...
Best way to serialize an NSData into a hexadeximal string
...rsion.h
#import <Foundation/Foundation.h>
@interface NSData (NSData_Conversion)
#pragma mark - String Conversion
- (NSString *)hexadecimalString;
@end
NSData+Conversion.m
#import "NSData+Conversion.h"
@implementation NSData (NSData_Conversion)
#pragma mark - String Conversion
- (NSStr...
Render basic HTML view?
...te.
Using express 3.0.0 and 3.1.0, the following works:
app.set('views', __dirname + '/views');
app.engine('html', require('ejs').renderFile);
See the comments below for alternative syntax and caveats for express 3.4+:
app.set('view engine', 'ejs');
Then you can do something like:
app.get('/...
Struct like objects in Java
...ck such methods in your tests. If you create a new class you might not see all possible actions. It's like defensive programming - someday getters and setters may be helpful, and it doesn't cost a lot to create/use them. So they are sometimes useful.
In practice, most fields have simple getters and...
Using jquery to get element's position relative to viewport
...
Look into the Dimensions plugin, specifically scrollTop()/scrollLeft(). Information can be found at http://api.jquery.com/scrollTop.
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Objective-C: Property / instance variable in category
...e, it wouldn't work.
Fortunately, the Objective-C runtime has this thing called Associated Objects that can do exactly what you're wanting:
#import <objc/runtime.h>
static void *MyClassResultKey;
@implementation MyClass
- (NSString *)test {
NSString *result = objc_getAssociatedObject(sel...