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How do I test a file upload in rails?

...ing to make it available on SO. The rails framework has a function fixture_file_upload (Rails 2 Rails 3, Rails 5), which will search your fixtures directory for the file specified and will make it available as a test file for the controller in functional testing. To use it: 1) Put your file to be ...
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Python Progress Bar

... but maybe something very simple would do: import time import sys toolbar_width = 40 # setup toolbar sys.stdout.write("[%s]" % (" " * toolbar_width)) sys.stdout.flush() sys.stdout.write("\b" * (toolbar_width+1)) # return to start of line, after '[' for i in xrange(toolbar_width): time.sleep(...
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Is there any pythonic way to combine two dicts (adding values for keys that appear in both)?

...+ b[k]) for k in set(b) & set(a)]) or even more generic: def combine_dicts(a, b, op=operator.add): return dict(a.items() + b.items() + [(k, op(a[k], b[k])) for k in set(b) & set(a)]) For example: >>> a = {'a': 2, 'b':3, 'c':4} >>> b = {'a': 5, 'c':6, 'x':7...
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Getting the index of the returned max or min item using max()/min() on a list

... values = [3,6,1,5], and need the index of the smallest element, i.e. index_min = 2 in this case. Avoid the solution with itemgetter() presented in the other answers, and use instead index_min = min(range(len(values)), key=values.__getitem__) because it doesn't require to import operator nor to ...
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Pros and cons of using sbt vs maven in Scala project [closed]

... answered Jul 1 '12 at 12:25 0__0__ 63k1616 gold badges147147 silver badges237237 bronze badges ...
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@RequestParam vs @PathVariable

...re interesting annotation: @MatrixVariable http://localhost:8080/spring_3_2/matrixvars/stocks;BT.A=276.70,+10.40,+3.91;AZN=236.00,+103.00,+3.29;SBRY=375.50,+7.60,+2.07 And the Controller method for it @RequestMapping(value = "/{stocks}", method = RequestMethod.GET) public String showPortfo...
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Installed Ruby 1.9.3 with RVM but command line doesn't show ruby -v

... what do you do if env has a lot of rvm stuff in it still? like rvm_dump_environment_flag=0 etc... – jcollum Apr 22 '12 at 21:28 5 ...
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Execute method on startup in Spring

... restriction on required library /Library/Java/JavaVirtualMachines/jdk1.8.0_05.jdk/Contents/Home/jre/lib/rt.jar – encrest Jul 8 '15 at 21:36 ...
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How do I deserialize a JSON string into an NSDictionary? (For iOS 5+)

...zern answer @implementation NSString (Extensions) - (NSDictionary *) json_StringToDictionary { NSError *error; NSData *objectData = [self dataUsingEncoding:NSUTF8StringEncoding]; NSDictionary *json = [NSJSONSerialization JSONObjectWithData:objectData options:NSJSONReadingMutableContain...
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How to instantiate a File object in JavaScript?

...jRKjokDhgfsKtG1527053050.jpg" size:0 type:"image/jpg" webkitRelativePath:""__proto__:File But the size of the object is wrong ... Why i need to do that ? For example to retransmit an image form already uploaded, during a product update, along with additional images added during the update ...