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中文网（自研/维护）拓展 · App Inventor 2 中文网
...字提示。
ThemeIndex
主题设置，数字：1 default, 2 dark, 3 macarons, 4 roma, 5 shine, 6 vintage, 7 infographic
YAxisMin
Y轴最小值：一个数字，或 ‘dataMin’ 或 ‘null’
事件
Clicked(legend,label,value)
Event for Clicked
ImageSaved(i...
Using @property versus getters and setters
... answered Jul 7 '11 at 22:52
macmac
37.3k2121 gold badges112112 silver badges128128 bronze badges
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Would it be beneficial to begin using instancetype instead of id?
...ndleWithStandardOutput] writeData:formattedData] will generate an error on Mac OS X (only) Multiple methods named 'writeData:' found with mismatched result, parameter type or attributes. The reason is that both NSFileHandle and NSURLHandle provide a writeData:. Since [NSFileHandle fileHandleWithStan...
How can I exclude all “permission denied” messages from “find”?
...adable -prune -o -print:
It requires GNU find; notably, it won't work on macOS. Of course, if you only ever need the command to work with GNU find, this won't be a problem for you.
Some Permission denied errors may still surface: find ! -readable -prune reports such errors for the child items of d...
Get path of executable
...er of hiding the platform dependency. In this case using the predefined OS macros detailed at predef.sourceforge.net/preos.html to select the method is straightforward.
– Clifford
Oct 7 '09 at 15:02
...
Is Haxe worth learning? [closed]
...y main problems with Haxe are that most of the development has been not on Macs so aspects of compiling C++ and new features of Haxe sometimes trail from Windows users, but I have not had problems with core Haxe such as Flash compilation.
In terms of designers: I use a Flash IDE movie loaded at run...
A complete solution to LOCALLY validate an in-app receipts and bundle receipts on iOS 7
...MAppReceipt:
- (BOOL)verifyReceiptHash
{
// TODO: Getting the uuid in Mac is different. See: https://developer.apple.com/library/content/releasenotes/General/ValidateAppStoreReceipt/Chapters/ValidateLocally.html#//apple_ref/doc/uid/TP40010573-CH1-SW5
NSUUID *uuid = [[UIDevice currentDevice]...
How to automatically generate a stacktrace when my program crashes
...
For Linux and I believe Mac OS X, if you're using gcc, or any compiler that uses glibc, you can use the backtrace() functions in execinfo.h to print a stacktrace and exit gracefully when you get a segmentation fault. Documentation can be found in t...
Why doesn't Java allow overriding of static methods?
...child.nonLocalIndirectStatMethod();
}
}
If you run this (I did it on a Mac, from Eclipse, using Java 1.6) you get:
Object: static type Base; runtime type Child.
Called static Base method.
Called non-static Child method.
Object: static type Child; runtime type Child.
Called static Child me...
Why do access tokens expire?
...and send me a new one. What's to stop that? Don't say IP Address or even MAC, because that's unreasonable.
– Suamere
Sep 24 '15 at 18:57
3
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