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How to create own dynamic type or dynamic object in C#?
... Mario SannumMario Sannum
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How do I build a numpy array from a generator?
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Cristian Ciupitu
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answered Dec 15 '08 at 6:31
shsmurfyshsmurfy
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How can I check if character in a string is a letter? (Python)
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edited Jan 4 at 23:55
AMC
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Is there a zip-like function that pads to longest length in Python?
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answered Aug 14 '09 at 11:10
Nadia AlramliNadia Alramli
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Persistence unit as RESOURCE_LOCAL or JTA?
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Different results with Java's digest versus external utilities
...bit applications that have the system path hard coded and is running in a 64-bit Windows? How can they find the new SysWOW64 folder without changes in the program code, you might think. The answer is that the emulator redirects calls to System32 folder to the SysWOW64 folder transparently so even if...
How does MongoDB sort records when no sort order is specified?
...al data structures.
The original MMAPv1 storage engine (removed in MongoDB 4.2) allocates record space for documents based on padding rules. If a document outgrows the currently allocated record space, the document location (and natural ordering) will be affected. New documents can also be inserted ...
C# Convert List to Dictionary
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edited Jul 20 '12 at 14:28
answered Jul 20 '12 at 14:11
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Making code internal but available for unit testing from other projects
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How can I extract a good quality JPEG image from a video file with ffmpeg?
... the default is -qmin 2).
To output a series of images:
ffmpeg -i input.mp4 -qscale:v 2 output_%03d.jpg
See the image muxer documentation for more options involving image outputs.
To output a single image at ~60 seconds duration:
ffmpeg -ss 60 -i input.mp4 -qscale:v 4 -frames:v 1 output.jpg
This ...