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About catching ANY exception

... You can but you probably shouldn't: try: do_something() except: print "Caught it!" However, this will also catch exceptions like KeyboardInterrupt and you usually don't want that, do you? Unless you re-raise the exception right away - see the following example f...
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Scala: Nil vs List()

...llo", 2 -> "world").foldLeft(List[String]())( (acc, el) => acc :+ el._2) res1: List[String] = List(hello, world) Using Nil as the accumulator here wouldn't work. – Kevin Meredith Nov 17 '13 at 4:57 ...
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What does “SyntaxError: Missing parentheses in call to 'print'” mean in Python?

...lt;module> TypeError: unsupported operand type(s) for >>: 'builtin_function_or_method' and '_io.TextIOWrapper'. Did you mean "print(<message>, file=<output_stream>)"? Since this error is raised when the code runs, rather than when it is compiled, it doesn't have access to the ...
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Does “\d” in regex mean a digit?

...ular symbol. >>> import re >>> re.match(r'\d', '3') <_sre.SRE_Match object at 0x02155B80> >>> re.match(r'\d', '2') <_sre.SRE_Match object at 0x02155BB8> >>> re.match(r'\d', '1') <_sre.SRE_Match object at 0x02155B80> ...
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Is it possible to use “/” in a filename?

...call for renaming your file defined in fs/namei.c called renameat: SYSCALL_DEFINE4(renameat, int, olddfd, const char __user *, oldname, int, newdfd, const char __user *, newname) When the system call gets invoked, it does a path lookup (do_path_lookup) on the name. Keep tracing th...
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JavaScript curry: what are the practical applications?

... return this; //nothing to curry with - return function } var __method = this; var args = toArray(arguments); return function() { return __method.apply(this, args.concat([].slice.apply(null, arguments))); } } ...
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How can I add or update a query string parameter?

... polly fill, is not good, Unable to set property '__URLSearchParams__:0.8503766759030615' of undefined or null reference on ie11 you get that error. it's not a pollyfill if it doesn't work as a fallback. – Val Feb 8 '17 at 12:03 ...
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Passing current scope to an AngularJS Service

...In the service constructor you can assign the scope to something like this._scope and then reference the scope within the service! angular.module('blah').controller('BlahCtrl', function($scope, BlahService) { $scope.someVar = 4; $scope.blahService = new blahService($scope); }); angular....
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How do you convert a DataTable into a generic list?

...n emp = (from DataRow row in dt.Rows select new Employee { _FirstName = row["FirstName"].ToString(), _LastName = row["Last_Name"].ToString() }).ToList(); share | improve ...
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How do I convert a String to an InputStream in Java?

...ream = new ByteArrayInputStream(exampleString.getBytes(StandardCharsets.UTF_8)); Note that this assumes that you want an InputStream that is a stream of bytes that represent your original string encoded as UTF-8. For versions of Java less than 7, replace StandardCharsets.UTF_8 with "UTF-8". ...