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App Inventor 2 如何下载/保存网络图片？ - App Inventor 2 中文网 - 清泛I...
首先，需要使用 Web客户端 组件，需要和网络url进行数据交互的场景就要考虑使用它，Web客户端 组件在“通信连接”抽屉中：设置好网络图片的url，然后执行Get方法即可，代码如下：其中，特别要注意的是保存响应信息属性设置...
App Inventor 2 MQTT拓展入门（保姆级教程） · App Inventor 2 中文网
...阅设备的数量，以及消息的发送历史：
.aia 源码下载
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《App Inventor 2 UrsPahoMqttClient 拓展中文文档（完整版）》
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APPINVENTOR测试平台：AppInventor2中文网（https://www.fun123.cn）
MQTT拓展下载...
Removing white space around a saved image in matplotlib
...utline of a couple of aerofoil sections — without white margins — to a PDF file.
(Note that I used matplotlib inside an IPython notebook, with the -pylab flag.)
plt.gca().set_axis_off()
plt.subplots_adjust(top = 1, bottom = 0, right = 1, left = 0,
hspace = 0, wspace = 0)
plt.margi...
How to increase font size in a plot in R?
... better be prepared to dig into the documentation starting with ?Devices, ?pdfFonts, ?pdf, ?embedFonts, and many others.
– IRTFM
Nov 22 '10 at 5:24
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Visual Studio 2012 Ultimate旗舰版秘钥 - 更多技术 - 清泛网 - 专注C/C++及内核技术
Visual Studio 2012 Ultimate旗舰版秘钥Visual Studio 2012 Ultimate旗舰版序列号：YKCW6-BPFPF-BT8C9-7DCTH-QXGWCRBCXF-CVBGR-382MK-DFHJ4-C69G8YQ7PR-QTHDM-HCBCV-9GKGG-TB2TMVisual Studio 2012 Ultimate旗舰版序列号：
YKCW6-BPFPF-BT8C9-7DCTH-QXGWC
RBCXF-CVBGR-382MK-DFHJ4-C69G8
YQ7PR-QTH...
An algorithm for inflating/deflating (offsetting, buffering) polygons
...g Winding Numbers" here: me.berkeley.edu/~mcmains/pubs/DAC05OffsetPolygon.pdf
– Angus Johnson
Nov 2 '11 at 17:28
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How to understand Locality Sensitive Hashing?
...er 3 - Finding Similar Items
http://infolab.stanford.edu/~ullman/mmds/ch3a.pdf
Also I recommend the below slide:
http://www.cs.jhu.edu/%7Evandurme/papers/VanDurmeLallACL10-slides.pdf .
The example in the slide helps me a lot in understanding the hashing for cosine similarity.
I borrow two slides f...
How to check if a string contains an element from a list in Python
...
extensionsToCheck = ('.pdf', '.doc', '.xls')
'test.doc'.endswith(extensionsToCheck) # returns True
'test.jpg'.endswith(extensionsToCheck) # returns False
share
...
The Definitive C Book Guide and List
...the draft C11 standard.
The new C standard - an annotated reference (Free PDF) - Derek M. Jones (2009). The "new standard" referred to is the old C99 standard rather than C11.
Rationale for C99 Standard.
Beginner
C Programming: A Modern Approach (2nd Edition) - K. N. King (2008). A good book...
Calculate MD5 checksum for a file
I'm using iTextSharp to read the text from a PDF file. However, there are times I cannot extract text, because the PDF file is only containing images. I download the same PDF files everyday, and I want to see if the PDF has been modified. If the text and modification date cannot be obtained, is a ...