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PHP优化杂烩 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...集型时才是正确的，而对于一般的 Web 请求而言，多半是 IO 密集型的，此时这个结论就值得商榷了，因为数据库查询等 IO 的存在，必然会导致 CPU 有相当一部分时间处于 WAIT 状态，也就是被浪费的状态。此时如果进程数多于 CPU ...
MAC地址可以连上，硬件通信时提示无效的UUID？ - 创客硬件开发 - 清泛IT社...
...常。
这个 APP程序 使用透传UUID 还可以控制蓝牙模块的IO 口么？这个 APP程序 使用透传UUID 还可以控制蓝牙模块的IO 口么？透传uuid和io控制的uuid是不一样的，具体清参考：https://bbs.tsingfun.com/thread-1501-1-1.html
BLE 蓝牙模块 - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
BLE 蓝牙模块（使用模块自带 IO 口控制， ）IO口 uuid 现在连接方式是，选择框里发现蓝牙名字，在选中 点击连接按钮 连接, IO口方式 uuid 有没有在初始化里面自动连接的方法？初始化中自动连接某个ble设备的推荐方式是：...
How to develop Desktop Apps using HTML/CSS/JavaScript? [closed]
First, I'm not interested in doing this professionally. I am a web developer, a coworker of mine recently left for Spotify and said he will be working mostly in JavaScript for the Spotify Desktop app. He said it uses "Chrome frame" and everything inside is done like a web app (HTML/JS/CSS).
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What is a good Java library to zip/unzip files? [closed]
... at the default Zip library that comes with the JDK and the Apache compression libs and I am unhappy with them for 3 reasons:
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Convert a 1D array to a 2D array in numpy
... with having to create a new array. You can use the np.resize function and mixing it with np.reshape, such as
>>> a =np.arange(9)
>>> np.resize(a, 10).reshape(5,2)
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improv...
Import PEM into Java Key Store
...e .pem file contains more than one certificate.
– MarioVilas
Feb 24 '14 at 15:31
14
I've got a si...
NSString with \n or line break
...
I just ran into the same issue when overloading -description for a subclass of NSObject. In this situation I was able to use carriage return (\r) instead of newline (\n) to create a line break.
[NSString stringWithFormat:@"%@\r%@", mystring1,mystring2];
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Create Pandas DataFrame from a string
In order to test some functionality I would like to create a DataFrame from a string. Let's say my test data looks like:
...