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Python try…except comma vs 'as' in except

... If you want to support all python versions you can use the sys.exc_info() function like this: try: a = 1/'0' except (ZeroDivisionError, TypeError): e = sys.exc_info()[1] print(e.args[0]) (source:http://python3porting.com/noconv.html) ...
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How to activate an Anaconda environment

...appears in the tutorials for Mac and Linux: $ source activate py33 More info: https://groups.google.com/a/continuum.io/forum/#!topic/anaconda/8T8i11gO39U Does `anaconda` create a separate PYTHONPATH variable for each new environment? ...
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POST request via RestTemplate in JSON

...ders here String requestJson = "{ // Construct your JSON here }"; logger.info("Request JSON ="+requestJson); HttpEntity<String> entity = new HttpEntity<String>(requestJson, headers); ResponseEntity<String> response = restTemplate.exchange(url, HttpMethod.POST, entity, String.clas...
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How do I read an attribute on a class at runtime?

... This extension method could be further generalized by extending MemberInfo, a base class of Type and all - or at least most - of a Type's members. Doing so would open this up to allow reading attributes from Properties, Fields, and even Events. – M.Babcock ...
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How to check if a file exists in a folder?

... You can also use the FileInfo.Exists property – VMAtm Sep 12 '11 at 8:46 10 ...
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jQuery: Return data after ajax call success [duplicate]

...the ES6 Promises without the polyfill, see: Can I use: Promises. For more info see: http://bugs.jquery.com/ticket/14510 https://github.com/jquery/jquery/issues/1722 https://gist.github.com/domenic/3889970 http://promises-aplus.github.io/promises-spec/ http://www.html5rocks.com/en/tutorials/es6/pr...
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What is the purpose of class methods?

...ger.DEBUG Then, in my code, if I wanted to spit out a bunch of debugging information, I simply had to code Logger.debug( "this is some annoying message I only want to see while debugging" ) Errors could be out put with Logger.error( "Wow, something really awful happened." ) In the "producti...
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Foreach loop, determine which is the last iteration of the loop

... this: var elements = new[] { "A", "B", "C" }; elements.ForEach((element, info) => { if (!info.IsLast) { Console.WriteLine(element); } else { Console.WriteLine("Last one: " + element); } }); The extension method looks like this (as an added bonus, it will also tell ...
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How do I escape reserved words used as column names? MySQL/Create Table

...ouble quotes if ANSI SQL mode is enabled CREATE TABLE IF NOT EXISTS misc_info ( id INTEGER PRIMARY KEY AUTO_INCREMENT NOT NULL, "key" TEXT UNIQUE NOT NULL, value TEXT NOT NULL ) ENGINE=INNODB; or the proprietary back tick escaping otherwise. (Where to find the ` character ...
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How do you determine the size of a file in C?

...lude <sys/stat.h> int main(int argc, char** argv) { struct stat info; stat(argv[1], &info); // 'st' is an acronym of 'stat' printf("%s: size=%ld\n", argv[1], info.st_size); } #include <stdio.h> #include <sys/stat.h> int main(int argc, char** argv) { str...