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Unicode (UTF-8) reading and writing to files in Python

...le you have "\xc3" in it. Those are 4 bytes and in your code you read them all. You can see this when you display them: >>> open('f2').read() 'Capit\\xc3\\xa1n\n' You can see that the backslash is escaped by a backslash. So you have four bytes in your string: "\", "x", "c" and "3". Edit...
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string sanitizer for filename

...a whitelist of characters you are happy to be used? For example, you could allow just good ol' a-z, 0-9, _, and a single instance of a period (.). That's obviously more limiting than most filesystems, but should keep you safe. ...
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How is “int* ptr = int()” value initialization not illegal?

...: In ubuntu 11.04 and our own linux flavor, libio.h contains: #if !defined(__cplusplus) \n #define NULL ((void*)0) \n #else \n #define NULL (0) the current version of gcc in ubuntu is 4.5, in our system is 4.0. – David Rodríguez - dribeas Nov 9 '11 at 17:33 ...
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How to show all privileges from a user in oracle?

Can someone please tell me how to show all privileges/rules from a specific user in the sql-console? 6 Answers ...
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How to provide different Android app icons for different gradle buildTypes?

... Figured it out. What you need to do is create a separate src folder called debug that holds the different icons. For example, if your project layout is as follows, and your launcher icon is called ic_launcher.png: [Project Root] -[Module] -src -main -res -drawabl...
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Difference between / and /* in servlet mapping url pattern

... <url-pattern>/*</url-pattern> The /* on a servlet overrides all other servlets, including all servlets provided by the servletcontainer such as the default servlet and the JSP servlet. Whatever request you fire, it will end up in that servlet. This is thus a bad URL pattern for servle...
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Performance difference for control structures 'for' and 'foreach' in C#

...t will depend on whether you're doing any real work in the loop. In almost all cases, the difference to performance won't be significant, but the difference to readability favours the foreach loop. I'd personally use LINQ to avoid the "if" too: foreach (var item in list.Where(condition)) { } EDI...
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Tree data structure in C#

...e so many ways you could implement it that it would be impossible to cover all bases with one solution. The more specific a solution, the less likely it is applicable to any given problem. I even get annoyed with LinkedList - what if I want a circular linked list? The basic structure you'll need ...
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How to exit pdb and allow program to continue?

...b module to debug a program. I'd like to understand how I can exit pdb and allow the program to continue onward to completion. The program is computationally expensive to run, so I don't want to exit without the script attempting to complete. continue doesn't seems to work. How can I exit pdb and ...
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How to trace the path in a Breadth-First Search?

... found if node == end: return path # enumerate all adjacent nodes, construct a new path and push it into the queue for adjacent in graph.get(node, []): new_path = list(path) new_path.append(adjacent) queue.append(new_path) prin...