大约有 11,000 项符合查询结果(耗时:0.0215秒) [XML]

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An algorithm for inflating/deflating (offsetting, buffering) polygons

...at wants to do this, another alternative is to use GEOS, and if your using python, GEOS's wrapper, Shapely. A really pretty example: toblerity.github.com/shapely/manual.html#object.buffer – pelson Oct 3 '12 at 8:04 ...
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How do I list all files of a directory?

How can I list all files of a directory in Python and add them to a list ? 21 Answers ...
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Redis 的性能幻想与残酷现实 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...所示: 诚然,1k 基本是 Redis 性能的一个拐点,这一点上图看趋势是和官方图的一致。 现实 基于实验室测试数据和实际业务量,现实中采用了 Redis 分片来承担更大的吞吐量。一个单一 Redis 分片一天的 ops 波动在 20k~30k 之...
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How do I use spaces in the Command Prompt?

... I tried this but doesn't seem to work in my case: python ""C:\Program Files (x86)\Jenkins\workspace\Map Checker Unit Test\sqs-poller\node_modules\map-checker\python\unit_test.py" -d "C:\Program Files (x86)\Jenkins\workspace\Map Checker Unit Test\MAP_CHECK_TMP\#Test Case" -o ...
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What is the difference between JSON and Object Literal Notation?

...are typically language-independent, meaning they can be processed by Java, Python, JavaScript, PHP, you name it. In contrast, JavaScript is a programming language. Of course JavaScript also provides a way to define/describe data, but the syntax is very specific to JavaScript. As a counter example,...
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python if 语句只执行代码块中的第一行? - 更多技术 - 清泛网 - 专注C/C++及内核技术

python if 语句只执行代码块中的第一行?极有可能是因为if后的第一行代码第二行代码中间是空格而非Tab,导致第二行被认为是新的执行分支,因此if的代码块范围仅第一句。将第二行代码前面的空格换成Tab键即可解决。极有可...
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python design patterns [closed]

...examples of Best Practices, Design patterns and the SOLID principles using Python. 6 Answers ...
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MFC OnEraseBkgnd浅析 - C/C++ - 清泛网 - 专注C/C++及内核技术

...上灰色的底色了。 比较好的做法是直接将绘图的程序OnPaint()移OnEraseBkgnd()来做,如下所示: // m_bmpBKGND 为一CBitmap对象 且事先早已加载我们的底图 // 底图的大小与我们的窗口client大小一致 BOOL CMyDlg::OnEraseBkgnd(CDC* pDC) { ...
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创业公司倒闭大潮 教你正确烧钱速度? - 资讯 - 清泛网 - 专注C/C++及内核技术

...表现非常强劲;同时基于这些,你认为自己将来能很容易投资机构那融钱,那么,你就能够比那些条件不如你的公司容忍更高烧钱速度。 当然,烧钱很大程度要归结于投资人的信任。记住:如果你烧光了钱并别无其他选择...
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BLE(二)信道&数据包&协议栈格式 - 创客硬件开发 - 清泛IT社区,...

...Initiater方被称为Mater(主设备),Advertiser方则称作Slave(设备)。 0x33 HCI主机控制接口层(Host Controller Interface,简写 HCI):定义Host(主机)和Controller(控制器)之间的通信协议,这一层可以是软件或者硬件接口,如UART、SPI...