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BLE协议—广播和扫描 - 创客硬件开发 - 清泛IT社区，为创新赋能！
...进行连接后点对点通信。广播访问地址广播包：广播包Access Address 固定为0x8E89BED6，广播包只能在广播信道（channel）上传输，即只能在37/38/39信道上传输（注：从蓝牙5.0开始广播包可以在其它信道上传输）。广播包发送给附近所...
Why does comparing strings using either '==' or 'is' sometimes produce a different result?
I've got a Python program where two variables are set to the value 'public' . In a conditional expression I have the comparison var1 is var2 which fails, but if I change it to var1 == var2 it returns True .
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What is the easiest way to remove all packages installed by pip?
...one of my virtualenvs - I'd like to reset all of the installed libraries back to the ones that match production.
25 Answers...
How to test equality of Swift enums with associated values
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How to use executables from a package installed locally in node_modules?
...use npm scripts since they always search the local binaries first. You can set up aliases to each of your binaries there or just use generic names like "build".
– Joe Zim
Sep 22 '15 at 1:47
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Convert Existing Eclipse Project to Maven Project
...: so I'm assuming you do not currently have an alternative automated build setup you're trying to import, and I'm assuming you're talking about the m2eclipse plugin.
The m2eclipse plugin provides a right-click option on a project to add this default pom.xml:
Newer M2E versions
Right click on Proj...
Where do I find old versions of Android NDK? [closed]
Does anyone know where I can find older versions of the Android NDK? Our code doesn't build with r6. Surely there must be archived versions somewhere.
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Mocha / Chai expect.to.throw not catching thrown errors
...ove creates a new function which when called will call model.get with this set to the value of model and the first argument set to 'z'.
A good explanation of bind can be found here.
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Project structure for Google App Engine
I started an application in Google App Engine right when it came out, to play with the technology and work on a pet project that I had been thinking about for a long time but never gotten around to starting. The result is BowlSK . However, as it has grown, and features have been added, it has got...
What is the difference between screenX/Y, clientX/Y and pageX/Y?
What is the difference between screenX / Y , clientX / Y and pageX / Y ?
7 Answers
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