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大数据：用数据指导APP运营 - 资讯 - 清泛网 - 专注C/C++及内核技术
...性社区平台，其效果几乎也可以无视，而如果换成一款Q版小游戏，或许效果就很好。
成本数据和收益数据，则会从不同层面反映出运营的效果。
在这里插一句，千万不要相信网上流传的各种《XX高管教你不花钱做运营》这种...
What is the difference between a .xib file and a .storyboard?
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Apple introduced the concept of "storyboarding" in iOS5 SDK to simplify and better manage screens in your app. You can still use the .xib way of development.
Pre-storyboard, each UIViewController had an associated .xib with it. Storyboard achieves two things:
.storyboard ...
Types in Objective-C on iOS
I want to ask about the fundamental data types in Objective-C on iOS.
3 Answers
3
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What is simplest way to read a file into String? [duplicate]
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Yes, you can do this in one line (though for robust IOException handling you wouldn't want to).
String content = new Scanner(new File("filename")).useDelimiter("\\Z").next();
System.out.println(content);
This uses a java.util.Scanner, telling it to delimit the input with \Z...
How do I check OS with a preprocessor directive?
...IN64 64 bit only
Unix (Linux, *BSD, Mac OS X)
See this related question on some of the pitfalls of using this check.
unix
__unix
__unix__
Mac OS X
__APPLE__
__MACH__
Both are defined; checking for either should work.
Linux
__linux__
linux Obsolete (not POSIX compliant)
__linux Obsolete...
Seeking useful Eclipse Java code templates [closed]
You can create various Java code templates in Eclipse via
46 Answers
46
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How can you zip or unzip from the script using ONLY Windows' built-in capabilities?
...is.
See this link for some VBS way to do this.
https://superuser.com/questions/201371/create-zip-folder-from-the-command-line-windows
From Windows 8 on, .NET Framework 4.5 is installed by default, with System.IO.Compression.ZipArchive and PowerShell available, one can write scripts to achieve this...
Async/await vs BackgroundWorker
...more clear and 'natural'. BakcgoundWorker makes the code 'noisy' in my opinion.
– Tom
Sep 13 '12 at 20:58
12
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Can I embed a custom font in an iPhone application?
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iOS 3.2 and later support this. Straight from the What's New in iPhone OS 3.2 doc:
Custom Font Support
Applications that want to use custom fonts can now include those fonts in their application bundle and register thos...
How to dismiss keyboard iOS programmatically when pressing return
...lf, then you've probably not added UITextFieldDelegate to the class definition. Specifically ... class ViewController: UIViewController, UITextFieldDelegate { ...
– TimWhiting
Jul 6 '15 at 18:49
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