大约有 40,100 项符合查询结果（耗时：0.0675秒） [XML]
Do declared properties require a corresponding instance variable?
...sing the Modern Objective-C Runtime (that's either iOS 3.x or greater, or 64-bit Snow Leopard or greater) then you do not need to define ivars for your properties in cases like this.
When you @synthesize the property, the ivar will in effect be synthesized also for you. This gets around the "fragil...
What is the Invariant Culture?
...
jpaugh
5,44044 gold badges3232 silver badges7979 bronze badges
answered Mar 11 '10 at 8:05
Andrew BezzubAndrew...
“Debug only” code that should run only when “turned on”
...
145
An instance variable would probably be the way to do what you want. You could make it static to...
Do I set properties to nil in dealloc when using ARC?
...
Lily BallardLily Ballard
164k2525 gold badges355355 silver badges331331 bronze badges
...
Why should we include ttf, eot, woff, svg,… in a font-face
...
438
Answer in 2019:
Only use WOFF2, or if you need legacy support, WOFF. Do not use any other for...
Automatic prune with Git fetch or pull
...
407
Since git 1.8.5 (Q4 2013):
"git fetch" (hence "git pull" as well) learned to check "fetch....
Control the size of points in an R scatterplot?
... rcsrcs
58.7k1818 gold badges161161 silver badges144144 bronze badges
15
...
Adding iOS UITableView HeaderView (not section header)
...
245
UITableView has a tableHeaderView property. Set that to whatever view you want up there.
Use ...
Create RegExps on the fly using string variables
...r omuraliev
166k6262 gold badges359359 silver badges420420 bronze badges
31
...
How to get device make and model on iOS?
...ing if it's possible to detect/know if I have an iPhone 3GS vs. and iPhone 4 vs. an iPhone 4S (in actuality, all I really want to do is determine if I have a 3G or not, because I'm doing fairly graphics intensive stuff) .
...