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How do I upload a file with metadata using a REST web service?

...ude": 12.59817, "Longitude": 52.12873 } To create the metadata entry and return a response like: 201 Created Location: http://server/data/media/21323 { "Name": "Test", "Latitude": 12.59817, "Longitude": 52.12873, "ContentUrl": "http://server/data/media/21323/content" } The c...
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HMAC-SHA1 in bash

...ctly what you're asking for, but there's no point in reinventing the wheel and writing a bash version. You can simply use the openssl command to generate the hash within your script. [me@home] echo -n "value" | openssl dgst -sha1 -hmac "key" 57443a4c052350a44638835d64fd66822f813319 Or simply: [...
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“#include” a text file in a C program as a char[]

... $ xxd -i < file.txt > file.xxd $ echo ', 0' >> file.xxd and in the main.c char file_content[] = { #include "file.xxd" }; – ZeD Jan 4 '09 at 16:10 3 ...
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How do I pass a string into subprocess.Popen (using the stdin argument)?

...hing other than None in the result tuple, you need to give stdout=PIPE and/or stderr=PIPE too. Replacing os.popen* pipe = os.popen(cmd, 'w', bufsize) # ==> pipe = Popen(cmd, shell=True, bufsize=bufsize, stdin=PIPE).stdin Warning Use communicate() rather than stdin....
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How to dismiss keyboard for UITextView with return key?

...e able to add only one line of text, use a UITextField. Hitting the return and hiding the keyboard for a UITextView does not follow the interface guidelines. Even then if you want to do this, implement the textView:shouldChangeTextInRange:replacementText: method of UITextViewDelegate and in that ch...
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Using async/await for multiple tasks

....Select(i => DoSomething(1, i, blogClient)).ToArray()); On the other hand, the above code with WaitAll also blocks the threads and your threads won't be free to process any other work till the operation ends. Recommended Approach I would prefer WhenAll which will perform your operations asyn...
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What is the most pythonic way to check if an object is a number?

...ts rather than what it is, perform your operations as if you have a number and use exceptions to tell you otherwise. share | improve this answer | follow | ...
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What are all the escape characters?

... The list is missing Unicode and octal escapes: \u1234 \012 \01 \0 – Sampo Apr 30 '14 at 13:04 5 ...
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分布式系统的事务处理 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

...般工业界认为比较安全的备份数应该是3份,如:Hadoop和Dynamo)。 但是,加入更多的机器,会让我们的数据服务变得很复杂,尤其是跨服务器的事务处理,也就是跨服务器的数据一致性。这个是一个很难的问题。 让我们用最经典...
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Node.js throws “btoa is not defined” error

...lication I did an npm install btoa-atob so that I could use the btoa() and atob() functions which are native in client-side javascript but for some reason weren't included in node. The new directory showed up in my node_modules folder, which itself is in root alongside app.js . Then I made ...