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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 ...
How to create own dynamic type or dynamic object in C#?
... Mario SannumMario Sannum
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Which data type for latitude and longitude?
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144
You can use the data type point - combines (x,y) which can be your lat / long. Occupies 16 byte...
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 ...
What does each of the [y,n,q,a,d,/,K,j,J,g,e,?] stand for in context of git -p
...s staged.
– Alexander Bird
Oct 20 '14 at 21:39
I use -p for stashing, didn't know you could use this for add too! Just...
What are the differences between the BLOB and TEXT datatypes in MySQL?
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answered Jul 24 '12 at 5:45
DarceyDarcey
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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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What is a 'semantic predicate' in ANTLR?
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ANTLR 4
For predicates in ANTLR 4, checkout these stackoverflow Q&A's:
Syntax of semantic predicates in Antlr4
Semantic predicates in ANTLR4?
ANTLR 3
A semantic predicate is a way to enforce extra (semantic) rules upon ...
What specifically are wall-clock-time, user-cpu-time, and system-cpu-time in UNIX?
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