zhangsf_chongzai
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关键看什么APP,你说的太广android 手机APP, 还是PC APP, IOS APP??一个Android的APP,只能跟智能沾边,都会开发。开发主要看业务逻辑复杂程度,及平台开发人员成本 不同的APP,成本是不一样的
http://cf02.ickimg.com/bbsfiles/201612/3d160c412b187c4feb7a5646b0088466.rarSTH21的,跟20一样的
网线连接上之后,主板上面那三个灯就不亮了,这是为什么?一个灯都不亮,那有可能掉电了,检查下电源接电,用万用表打一下。我把电池拆下来充电,充完电就不给小车供电了电池电压不够吧,要么没充满,要么电池有问题了,不过看你插个网线就没亮的状态, 不像电池问题
把系统限制的堆栈放开看看[root@localhost security]# ulimit -a core file size (blocks, -c) 0 data seg size (kbytes, -d) unlimited scheduling priority (-e) 0 file size (blocks, -f) unlimited pending signals (-i) 30518 max locked memory (kbytes, -l) 64 max memory size (kbytes, -m) unlimited open files (-n) 1024 pipe size (512 bytes, -p) 8 POSIX message queues (bytes, -q) 819200 real-time priority (-r) 0 stack size (kbytes, -s) 10240 cpu time (seconds, -t) unlimited max user processes (-u) 1024 virtual memory (kbytes, -v) unlimited file locks (-x) unlimited [root@localhost security]# ulimit -n 10240 [root@localhost security]# ulimit -a core file size (blocks, -c) 0 data seg size (kbytes, -d) unlimited scheduling priority (-e) 0 file size (blocks, -f) unlimited pending signals (-i) 30518 max locked memory (kbytes, -l) 64 max memory size (kbytes, -m) unlimited open files (-n) 10240 pipe size (512 bytes, -p) 8 POSIX message queues (bytes, -q) 819200 real-time priority (-r) 0 stack size (kbytes, -s) 10240 cpu time (seconds, -t) unlimited max user processes (-u) 1024 virtual memory (kbytes, -v) unlimited file locks (-x) unlimited [root@localhost security]# ulimit -u 10000 ulimit -n 4096 ulimit -d unlimited ulimit -m unlimited ulimit -s unlimited ulimit -t unlimited ulimit -v unlimited