CADisplayLink stops updating when UIScrollView scrolled

Title is quite self explanatory, but I have some animation being done in a loop triggered by CADisplayLink. However, as soon as I scroll a UIScrollView I have added to my view hierarchy, the animation

Rails creating and updating 2 model records simultaneously

I have 2 tables product and history product table: idnametypepricelocation 1 开发者_Go百科abcelectronics$200aisle1

Do perl threads have the same advantage as kernel threads?

Kernel threads开发者_运维知识库 do context switch at kernel level instead of process level. I am planning to set up an httpserver in perl. I want to know if perl threads have same advantage as kernel

In R, when using named rows, can a sparse matrix column be added (concatenated) to another sparse matrix?

I have two sparse matrices, m1 and m2: > m1 <- Matrix(data=0,nrow=2, ncol=1, sparse=TRUE, dimnames=list(c(\"b\",\"d\"),NULL))

亏赚（图）快？

玖玖之术 2022-04-24 06:05 开发者_C百科　　特别亏，设计师升值特别快，下面的几个星期前100晶钻有卖，就是国庆找东西那里开在指间的玫瑰

小米家用投影仪死机？？

给我个雪精灵的蛋 哪位大神有啊？

Lord_zheng 2022-04-24 05:48 开发者_开发百科　　我和你换，来888区龙守望，晚8点，洛克名心殇

Subversion auto update problem (client is too old)

svn: Thi开发者_开发问答s client is too old to work with working copy \'D:\\CemT\\PublishFolder\'

极米遥控器延时卡顿？？

How to get the day of the week from a Unix timestamp (PHP)?

How do I get the day (1-7) from a Unix timestamp in PHP? I also need the day d开发者_如何学JAVAate (1-31) and month (1-12).You can use date() function