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Saving utf-8 texts in json.dumps as UTF8, not as \u escape sequence
...veats to take into account. If you are writing this to a file, you can use io.open() instead of open() to produce a file object that encodes Unicode values for you as you write, then use json.dump() instead to write to that file:
with io.open('filename', 'w', encoding='utf8') as json_file:
json...
Instantiate and Present a viewController in Swift
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This answer was last revised for Swift 5.2 and iOS 13.4 SDK.
It's all a matter of new syntax and slightly revised APIs. The underlying functionality of UIKit hasn't changed. This is true for a vast majority of iOS SDK frameworks.
let storyboard = UIStoryboard(name: "m...
Read text file into string array (and write)
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As of Go1.1 release, there is a bufio.Scanner API that can easily read lines from a file. Consider the following example from above, rewritten with Scanner:
package main
import (
"bufio"
"fmt"
"log"
"os"
)
// readLines reads a whole file in...
两大桌面系统之战：Yosemite vs Windows 10 - 操作系统(内核) - 清泛网 - ...
... 操作系统已经在 7 月 29 日正式发布。就和移动行业中的 iOS 和 Android 操作系统一样，新版本一出都免不了被互相比较的命运。今天我们就来比比 Windows 10 和 OS X Yosemite。
桌面
OS X Yosemite 的桌面使用全新扁平设计，视...
ViewController respondsToSelector: message sent to deallocated instance (CRASH)
Ok, here is the deal, I hate putting out questions about my debugging and crashes. Because I usually handle them myself, but I just cannot get my way around this, even after viewing multiple questions already .
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java get file size efficiently
While googling, I see that using java.io.File#length() can be slow.
FileChannel has a size() method that is available as well.
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How to install CocoaPods?
...ocal/bin cocoapods
If there is an error "activesupport requires Ruby version >= 2.xx", then install latest activesupport first by typing in terminal.
sudo gem install activesupport -v 4.2.6
[ 2 ] After installation, there will be a lot of messages, read them and if no error found, it means c...
Explaining difference between automaticallyAdjustsScrollViewInsets, extendedLayoutIncludesOpaqueBars
I have been reading a lot about iOS7 UI transition.
5 Answers
5
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Detecting a mobile browser
I'm looking for a function which return boolean value if user has mobile browser or not.
36 Answers
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How do I create a round cornered UILabel on the iPhone?
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iOS 3.0 and later
iPhone OS 3.0 and later supports the cornerRadius property on the CALayer class. Every view has a CALayer instance that you can manipulate. This means you can get rounded corners in one line:
view.layer.co...