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Converting between strings and ArrayBuffers
... by adding methods to the object StringView.prototype
to create a collection of methods for such string-like objects (since now: stringViews) which work strictly on arrays of numbers
rather than on creating new immutable JavaScript strings
to work with Unicode encodings other than JavaScript's...
How to flip UIImage horizontally?
How to flip the UIImage horizontally, I found UIImageOrientationUpMirrored enumeration value in the UIImage class reference, how to make use of this property to flip UIImage .
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Core Data vs SQLite 3 [closed]
I am already quite familiar with relational databases and have used SQLite (and other databases) in the past. However, Core Data has a certain allure, so I am considering spending some time to learn it for use in my next application.
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How do I add 1 day to an NSDate?
...= [theCalendar dateByAddingComponents:dayComponent toDate:[NSDate date] options:0];
NSLog(@"nextDate: %@ ...", nextDate);
This should be self-explanatory.
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What are good message queue options for nodejs? [closed]
...ed at resque but not sure that's appropriate. The goal is to push notifications to clients based on backend and other client actions with socketio. I could do this with just socketio but I thought maybe a proper message queue would make this cleaner and I wouldn't have to reinvent the wheel.
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ImportError: No module named matplotlib.pyplot
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In python3, a separate installation of matplotlib using python3 -m pip install matplotlib solved the error. Tested on Ubuntu 16.04.
– vineeshvs
Jun 5 '19 at 6:22
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HTTP status code 0 - Error Domain=NSURLErrorDomain?
I am working on an iOS project.
12 Answers
12
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UICollectionView Set number of columns
I just started learning about UICollectionViews. I'm wondering if anyone knows how to specify the number of columns in a collectionview. The default is set to 3 (iPhone/portrait). I've looked at the documentation and can't seem to find a concise answer.
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UITableView Setting some cells as “unselectable”
...ew's cell property to be unselectable? I don't want to see that blue selection box when the user taps on the cell.
16 Answe...
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...