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How to create a video from images with FFmpeg?
... constant frame rate. See Create a video slideshow from images – FFmpeg, and this What is the (technical) difference between -r and the fps filter?. So using -r parameter sometimes couse skipping first image..
– khan
Nov 6 '14 at 17:55
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Passing an enum value as command parameter from XAML
I want to pass an enum value as command parameter in WPF, using something like this:
4 Answers
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An expression tree may not contain a call or invocation that uses optional arguments
...s getting this when I made an overload. Something like void Blah(string a) and void Blah(object a). When I tried to MOQ out a call to the version with object, it gave me this error.
– vbullinger
Mar 21 '13 at 14:02
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Linq to Sql: Multiple left outer joins
... out how to use more than one left outer join using LINQ to SQL. I understand how to use one left outer join. I'm using VB.NET. Below is my SQL syntax.
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In Ruby how do I generate a long string of repeated text?
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Indeed, very weird, look how different and elegant looks in Python: str = "0" * 999999 ;)
– tokland
Nov 16 '16 at 19:38
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Replace a value if null or undefined in JavaScript
I have a requirement to apply the ?? C# operator to JavaScript and I don't know how.
Consider this in C#:
5 Answers
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No generic implementation of OrderedDictionary?
...Dictionary isn't terribly difficult, but it's unnecessarily time consuming and frankly this class is a huge oversight on Microsoft's part. There are multiple ways of implementing this, but I chose to use a KeyedCollection for my internal storage. I also chose to implement various methods for sortin...
Pandas dataframe get first row of each group
I have a pandas DataFrame like following.
5 Answers
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Making custom right-click context menus for my web-app
I've a few websites like google-docs and map-quest that have custom drop down menus when you right-click. Somehow they override the browser's behavior of drop-down menu, and I'm now sure exactly how they do it. I found a jQuery plugin that does this, but I'm still curious about a few things:
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Can I list-initialize a vector of move-only type?
...gspot.com/2013/09/…). The idea is to determine lvalue/rvalue at run-time and then call move or copy-construction. in<T> will detect rvalue/lvalue even though the standard interface provided by initializer_list is const reference.
– Sumant
Sep 24 '13 at ...