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How do you create a daemon in Python?
...The first result is to this code recipe which has a lot of documentation and explanation, along with some useful discussion underneath.
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When should I use a struct rather than a class in C#?
When should you use struct and not class in C#? My conceptual model is that structs are used in times when the item is merely a collection of value types . A way to logically hold them all together into a cohesive whole.
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FFMPEG (libx264) “height not divisible by 2”
...not want to scale the video is:
-vf "pad=ceil(iw/2)*2:ceil(ih/2)*2"
Command:
ffmpeg -r 24 -i frame_%05d.jpg -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 t...
Proper Linq where clauses
...e noticed that when using where clauses, there are many ways to write them and each have the same results as far as I can tell. For example;
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How can I change property names when serializing with Json.net?
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As a shorthand, you can also do [JsonProperty("FooBar")]
– Bart Verkoeijen
Feb 16 '15 at 5:49
2
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Passing an integer by reference in Python
...n Python, assignment (=) takes whatever object is the result of the right hand side and binds it to whatever is on the left hand side *(or passes it to the appropriate function).
Understanding this, we can see why there is no way to change the value of an immutable object inside a function -- you c...
Does :before not work on img elements?
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The before and after pseudo-selectors don't insert HTML elements — they insert text before or after the existing content of the targeted element. Because image elements don't contain text or have descendants, neither img:before or im...
How do I get the difference between two Dates in JavaScript?
...uite figure out, however, how to get the difference between the two times, and then how to create a new end Date using that difference.
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Why Doesn't C# Allow Static Methods to Implement an Interface?
...property, which would still allow it to be accessed from a static context, and return that value in the implementation.
public class Animal: IListItem {
/* Can be tough to come up with a different, yet meaningful name!
* A different casing convention, like Java has, would help here.
*...
Reading specific lines only
... loop to read a file, but I only want to read specific lines, say line #26 and #30. Is there any built-in feature to achieve this?
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