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1.copy 返回的是不可變對(duì)象（immutableObject），即便原消息接收者是mutable對(duì)象，copy返回的也將是不可變對(duì)象（imm...
UIFont*theFont = [UIFontsystemFontOfSize:14]; NSString*strText =@"這是一段很長(zhǎng)...
self.contentInsetAdjustmentBehavior = UIScrollViewContentInsetAdjustment...
$git remote -v
1、在git bash命令行中輸入 echo $HOME 查看git home路徑。 2、進(jìn)入home對(duì)應(yīng)的路徑中。 touch .git-c...
~/Library/Developer/Xcode/DerivedData rm -rf [projectname...]
for i in `find ./ -type f -name "*.c"` ; do iconv -f gbk -t utf8 $i >> $...