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How to download image from url
...the file in Directory rather than in C# string and no need of Format extension in URi
If You don't know the Format(.png, .jpeg etc) of Image
public void SaveImage(string filename, ImageFormat format)
{
WebClient client = new WebClient();
Stream stream = client.OpenRead(imageUrl);
B...
java中的缓存技术该如何实现 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...吞吐量呢,一个办法:减少计 算量,缩短请求流程(减少网络io或者硬盘io),这时候缓存就可以大展手脚了.缓存的基本原理就是打破上图中所描绘的标准流程,在这个标准流程中,任何 一个环节都可以被切断.请求可以从缓存里取到数据...
Correct approach to global logging in Golang
What's the pattern for application logging in Go? If I've got, say, 5 goroutines I need to log from, should I...
7 Answers...
Can Json.NET serialize / deserialize to / from a stream?
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UPDATE: This no longer works in the current version, see below for correct answer (no need to vote down, this is correct on older versions).
Use the JsonTextReader class with a StreamReader or use the JsonSerializer overload that takes a StreamReader directly:
var serial...
NSUserDefaults - How to tell if a key exists
...ine if it's defined NO or doesn't exist. I think you'd have to use – dictionaryRepresentation and check for the key.
– zekel
Feb 13 '12 at 20:13
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Creating a segue programmatically
...roller that all my UIViewsControllers extend to reuse some common operations.
13 Answers
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This IP, site or mobile application is not authorized to use this API key
...e this:
https://maps.googleapis.com/maps/api/place/nearbysearch/json?location=yourlatitude,yourlongitude&radius=5000&sensor=true&key=SERVERKEY
Now, to obtain the server key, just follow these steps:
1) Go to Developer Console https://code.google.com/apis/console/
2) In the Credential...
How do I sort an NSMutableArray with custom objects in it?
...ustom comparator-methods is possible as well. Have a look at the documentation.
Blocks (shiny!)
There's also the possibility of sorting with a block since Mac OS X 10.6 and iOS 4:
NSArray *sortedArray;
sortedArray = [drinkDetails sortedArrayUsingComparator:^NSComparisonResult(id a, id b) {
NS...
When should I release objects in -(void)viewDidUnload rather than in -dealloc?
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In addition to what has already been indicated, I wanted to elaborate more about logic behind -viewDidUnload.
One of the most important reasons for implementing it is that UIViewController subclasses commonly also contain owning r...
Obtain Bundle Identifier programmatically
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Swift 3.0
let bundleIdentifier = Bundle.main.bundleIdentifier
Xamarin.iOS
var bundleIdentifier = NSBundle.MainBundle.BundleIdentifier
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