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APP 添加新的房间开关 - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
...添加多个，维护设备和房间的一 ...
添加设备及存储硬件 mac 地址这个过程你之前应该写过。影射关系可以用字典， 键是 mac 地址，值是房间 I'd，字典直接作为字符串保存默认就是 json 格式数据。json 读取出来赋值给字典，即可...
Can I have multiple Xcode versions installed?
...found that the best practice is to install the version that came with your Mac first and then install downloaded versions, but it probably doesn't make a big difference. See http://developer.apple.com/documentation/Xcode/Conceptual/XcodeCoexistence/Contents/Resources/en.lproj/Details/Details.html t...
No visible cause for “Unexpected token ILLEGAL”
...
I had the same problem on my mac and found it was because the Mac was replacing the standard quotes with curly quotes which are illegal javascript characters.
To fix this I had to change the settings on my mac System Preferences=>Keyboard=>Text(ta...
Converting a Java Keystore into PEM Format
...lled
bash$ openssl pkcs12 -in foo.p12 -out foo.pem
Enter Import Password:
MAC verified OK
Enter PEM pass phrase:
Verifying - Enter PEM pass phrase:
bash$ openssl x509 -text -in foo.pem
Certificate:
Data:
Version: 3 (0x2)
Serial Number: 1237334757 (0x49c03ae5)
Signature ...
VIM + JSLint?
...
what is 'the path to SpiderMonkey' on your machine - I've got a few on mine
– Dr. Frankenstein
May 18 '10 at 11:57
...
PHP “pretty print” json_encode [duplicate]
...ially since I didn't want to do all the work of upgrading to PHP 5.4 on my mac. Thanks.
– emilyk
Jun 12 '13 at 20:39
1
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How do you use gcc to generate assembly code in Intel syntax?
... forum where someone claimed it worked for them.
I just tried this on the mac and it failed, so I looked in my man page:
-masm=dialect
Output asm instructions using selected dialect. Supported choices
are intel or att (the default one). Darwin does not support intel.
It may wo...
Change R default library path using .libPaths in Rprofile.site fails to work
...zed whether using R or Rstudio, and Rstudio treats it as the default on my Mac machine. I hadn't seen it laid out this explicitly on SO, so I summarized the steps they provided, for Windows and then for Mac.
For a Windows 7 OS:
Create a directory on the drive where you want to have your personal...
Which UUID version to use?
...version 4.
Version 1: This generates a unique ID based on a network card MAC address and a timer. These IDs are easy to predict (given one, I might be able to guess another one) and can be traced back to your network card. It's not recommended to create these.
Version 4: These are generated from r...
Cross compile Go on OSX?
...is in the system dir. Otherwise you need to be logged in as super user. On Mac you may need to enable/configure SU access (it is not available by default), but if you have managed to install Go you possibly already have root access.
2) Once you have all cross compilers built, you can happily cross ...