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Math.random() versus Random.nextInt(int)
What is the difference between Math.random() * n and Random.nextInt(n) where n is an integer?
4 Answers
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How do I tell Matplotlib to create a second (new) plot, then later plot on the old one?
...nt to plot data, then create a new figure and plot data2, and finally come back to the original plot and plot data3, kinda like this:
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Coding in Other (Spoken) Languages
...n of it anywhere online. When a shop from, say Japan, writes code, would I be able to read it in English? Or do languages, like C, PHP, anything, have Japanese translations that they write?
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How does the ThreadStatic attribute work?
How does [ThreadStatic] attribute work? I assumed that the compiler would emit some IL to stuff/retrieve the value in the TLS, but looking at a disassembly it doesn't seem to do it at that level.
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Should I use static_cast or reinterpret_cast when casting a void* to whatever
Both static_cast and reinterpret_cast seem to work fine for casting void* to another pointer type. Is there a good reason to favor one over the other?
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Using a bitmask in C#
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The traditional way to do this is to use the Flags attribute on an enum:
[Flags]
public enum Names
{
None = 0,
Susan = 1,
Bob = 2,
Karen = 4
}
Then you'd check for a particular name as follows:
Names names = Names.Susan | Names.Bob;
// evaluates to true
bool s...
Why no ICloneable?
Is there a particular reason why a generic ICloneable<T> does not exist?
9 Answers
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Difference between socket and websocket?
I'm building web app that needs to communicate with another application using socket connections. This is new territory for me, so want to be sure that sockets are different than websockets . It seems like they're only conceptually similar.
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Where can I learn how to write C code to speed up slow R functions? [closed]
What's the best resource for learning how to write C code for use with R? I know about the system and foreign language interfaces section of R extensions, but I find it pretty hard going. What are good resources (both online and offline) for writing C code for use with R?
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extract part of a string using bash/cut/split
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To extract joebloggs from this string in bash using parameter expansion without any extra processes...
MYVAR="/var/cpanel/users/joebloggs:DNS9=domain.com"
NAME=${MYVAR%:*} # retain the part before the colon
NAME=${NAME##*/} # retain t...