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第一个Hello,OS World操作系统源码下载 - c++1y / stl - 清泛IT社区，为创新赋能！
原文参见：《第一个Hello,OS World操作系统》。
原文中代码均已贴上，为了鼓励大家自己动手敲写代码、自行调试运行，加深对代码的理解，此部分工程源码不免费提供下载，需要10F币，希望大家多多理解支持。
BLE UUID是对的但连接闪退：java.lang.IllegalArgumentException: UUID str...
....BluetoothLEint$BLEReadOperation.run(BluetoothLEint.java:325)
at android.os.Handler.handleCallback(Handler.java:958)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loopOnce(Looper.java:224)
at android.os.Looper.loop(Looper.java:318)
at android.app.ActivityThrea...
micro:bit 连接报错 - 创客硬件开发 - 清泛IT社区，为创新赋能！
...le.BluetoothLEintSBLEReadOperation.run(BluetoothLEint.java:325) at android.os.Handler.handleCallback(Handler.java:1013) at
android.os.Handler.dispatchMessage(Handler.java:101) at android.os.Looper.loopOnce(Looper.java:226) at android.os.Looper.loop(Looper.java:328) at android.app.ActivityThread.mai...
Socket 错误返回码详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...imed out
Socket error 10061 - Connection refused
Socket error 10064 - Host is down
Socket error 10065 - No route to host
Socket error 10067 - Too many processes
Socket error 10091 - Network subsystem is unavailable
Socket error 10092 - WINSOCK.DLL version out of range
Socket error 1009...
_csv.Error: field larger than field limit (131072)
... and remove the need for csv.field_size_limit().
– roskakori
Oct 30 '14 at 15:02
thank you so much for this, ive been...
Programmatically find the number of cores on a machine
...);
int numCPU = sysinfo.dwNumberOfProcessors;
Linux, Solaris, AIX and Mac OS X >=10.4 (i.e. Tiger onwards)
int numCPU = sysconf(_SC_NPROCESSORS_ONLN);
FreeBSD, MacOS X, NetBSD, OpenBSD, etc.
int mib[4];
int numCPU;
std::size_t len = sizeof(numCPU);
/* set the mib for hw.ncpu */
mib[0] = CTL...
How can I develop for iPhone using a Windows development machine?
...
It's certainly possible to develop on a Windows machine, in fact, my first application was exclusively developed on the old Dell Precision I had at the time :)
There are three routes;
Install OSx86 (aka iATKOS / Kalyway) on a second parti...
clang error: unknown argument: '-mno-fused-madd' (python package installation failure)
...s, the native Apple factory-installed Python distribution which ships with OS X, rather than to some other Python distribution which you have subsequently installed yourself), then you will need to do, as described by @Thijs Kuipers in comments below:
sudo -E pip install psycopg2
or the equivalen...
How to run a Python script in the background even after I logout SSH?
... process exits with status 1. What's going on?
– Santosh Ghimire
Dec 7 '13 at 15:03
1
read the ou...
how to read System environment variable in Spring applicationContext
...
You are close :o)
Spring 3.0 adds Spring Expression Language.
You can use
<util:properties id="dbProperties"
location="classpath:config_#{systemProperties['env']}/db.properties" />
Combined with java ... -Denv=QA should...