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Extract traceback info from an exception object

... trying to figure this out before I found this :-) etype=type(exc) can be omitted now btw: "Changed in version 3.5: The etype argument is ignored and inferred from the type of value." docs.python.org/3.7/library/… Tested in Python 3.7.3. – Ciro Santilli 郝海东冠状病六...
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二维码的生成细节及原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...字符,数字,日文,中文等等。这两天学习了一下二维码图片生成的相关细节,觉得这个玩意就是一个密码算法,在此写一这篇文章 ,揭露一下。供好学的人一同学习之。 关于QR Code Specification,可参看这个PDF:http://raidenii.net/f...
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How do I raise the same Exception with a custom message in Python?

... edited Jun 17 at 10:48 mit 10.4k77 gold badges3939 silver badges7171 bronze badges answered Apr 4 '15 at 3:06 ...
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Convert HTML to PDF in .NET

... plus some bespoke), the CSS parsing took a while (which we could probably mitigate), and rendering was completely different to the web page. – OutstandingBill Nov 10 '15 at 22:42 ...
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How to Sync iPhone Core Data with web server, and then push to other devices? [closed]

... in-depth, theoretical discussion of syncing, see the paper from Russ Cox (MIT) and William Josephson (Princeton): File Synchronization with Vector Time Pairs which applies equally well to core data with some obvious modifications. This provides an overall much more robust and reliable sync strate...
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How to Diff between local uncommitted changes and origin

...a repository and started modifying files. I know that if I have local uncommitted changes, I can do a diff as follows git diff test.txt and it will show me the difference between the current local HEAD and the modified, uncommitted changes in the file. If I commit those changes I can diff it again...
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How do I fix a merge conflict due to removal of a file in a branch?

...git add res/layout/dialog_item.xml" Then you finalize merge with "git commit". Note that git will warn you that you are creating a merge commit, in the (rare) case where it is something you don't want. Probably remains from the days where said case was less rare. ...
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How can I upload files asynchronously?

...ad size is 1k'); } // Also see .name, .type }); Now the $.ajax() submit with the button's click: $(':button').on('click', function () { $.ajax({ // Your server script to process the upload url: 'upload.php', type: 'POST', // Form data data: new FormData($('form')[0]), ...
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Finding all cycles in a directed graph

... more distinct base cycles. For more details see e.g. this : http://dspace.mit.edu/bitstream/handle/1721.1/68106/FTL_R_1982_07.pdf . share | improve this answer | follow ...
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Hashing a dictionary?

... edited Jul 26 '19 at 10:04 mit 10.4k77 gold badges3939 silver badges7171 bronze badges answered May 4 '11 at 13:24 ...