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Fix warning “Capturing [an object] strongly in this block is likely to lead to a retain cycle” in AR

...onary = [[CJSONDeserializer deserializer] deserialize:request.responseData error:nil]; request = nil; // .... }]; Update: got it to work with the keyword '_weak' instead of '_block', and using a temporary variable: ASIHTTPRequest *_request = [[ASIHTTPRequest alloc] initWithURL:... __weak...
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How to print without newline or space?

...to the end of the string: print('.', end='') To not add a space between all the function arguments you want to print: print('a', 'b', 'c', sep='') You can pass any string to either parameter, and you can use both parameters at the same time. If you are having trouble with buffering, you can f...
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Count character occurrences in a string in C++

... Small note, but the return type is typically signed. For some reason std::count returns type iterator_traits<InputIt>::difference_type, which for most standard containers is std::ptrdiff_t, not std::size_t. ...
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Simulate CREATE DATABASE IF NOT EXISTS for PostgreSQL?

... will attempt to create the database and will fail with possibly confusing error message – Oliver Jan 12 at 14:43 add a comment  |  ...
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MongoDB atomic “findOrCreate”: findOne, insert if nonexistent, but do not update

... ok, thats a good idea, but for the pre-existing value it will return an error but NOT the value itself, right? – Discipol May 3 '13 at 14:41 3 ...
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Multiple Models in a single django ModelForm?

...f.__name__.lower() form = getattr(self, name) self.errors.update(form.errors) return isValid def clean(self): cleaned_data = super(CombinedFormBase, self).clean() for f in self.form_classes: name = f.__name__.lower() form =...
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WebService Client Generation Error with JDK8

...was the way to create a web service client. But it resulted in an AssertionError, saying: 23 Answers ...
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How do I get the path and name of the file that is currently executing?

I have scripts calling other script files but I need to get the filepath of the file that is currently running within the process. ...
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Python nested functions variable scoping [duplicate]

... When I run your code I get this error: UnboundLocalError: local variable '_total' referenced before assignment This problem is caused by this line: _total += PRICE_RANGES[key][0] The documentation about Scopes and Namespaces says this: A special ...
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How do you disable browser Autocomplete on web form field / input tag?

...d/or password info into inappropriate form fields, causing form validation errors, or worse yet, accidentally inserting usernames into fields that were intentionally left blank by the user. What's a web developer to do? If you can keep all password fields on a page by themselves, that's a great s...