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Django Forms: if not valid, show form with error message

...ee. I return the same form that I got in. The error messages have automatically been added to it by the is_valid() function. – user984003 Feb 1 '13 at 13:57 ...
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FFMPEG (libx264) “height not divisible by 2”

...vcodec libx264 -y -an video.mp4 -vf "pad=ceil(iw/2)*2:ceil(ih/2)*2" Basically, .h264 needs even dimensions so this filter will: Divide the original height and width by 2 Round it up to the nearest pixel Multiply it by 2 again, thus making it an even number Add black padding pixels up to this num...
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What is the use of ObservableCollection in .net?

... ObservableCollection is a collection that allows code outside the collection be aware of when changes to the collection (add, move, remove) occur. It is used heavily in WPF and Silverlight but its use is not limited to there. Code can add event handlers to see when...
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Can you attach a UIGestureRecognizer to multiple views?

...rray...: >; layer = <CALayer: ...>>) at a time, this was never allowed, and is now enforced. Beginning with iOS 9.0 it will be put in the first view it is loaded into. – George Brown Jan 5 '16 at 21:54 ...
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How to write WinForms code that auto-scales to system font and dpi settings?

...h to WPF." However, I think that is based on .NET 1.1; it appears they actually did a pretty good job of implementing auto-scaling in .NET 2.0. At least based on our research and testing so far. However, if some of you out there know better, we'd love to hear from you. (Please don't bother arguing ...
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How do I restore a missing IIS Express SSL Certificate?

...press, according to such articles as this and this , I am unable to actually load an IIS Express site using HTTPS. In Chrome , I am only getting: ...
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C++ Object Instantiation

... On the contrary, you should always prefer stack allocations, to the extent that as a rule of thumb, you should never have new/delete in your user code. As you say, when the variable is declared on the stack, its destructor is automatically called when it goes out of scope...
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What is the best open XML parser for C++? [duplicate]

... How about RapidXML? RapidXML is a very fast and small XML DOM parser written in C++. It is aimed primarily at embedded environments, computer games, or any other applications where available memory or CPU processing power comes at a premium. RapidXML is licensed under Boost ...
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WCF timeout exception detailed investigation

... It only took a year, but I finally ran another stress test on the application with this flag set. The issue appears solved, so I am giving you the best answer. I would not be surprised that this was the last piece of the puzzle that was required but that ...
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Diagnosing Memory Leaks - Allowed memory size of # bytes exhausted

...h to find it, I'm afraid. The simplest instrument is to selectively place calls to memory_get_usage and narrow it down to where the code leaks. You can also use xdebug to create a trace of the code. Run the code with execution traces and show_mem_delta. ...