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Monad in plain English? (For the OOP programmer with no FP background)
...on, that composition is associative, and so on.
In C#, "Bind" is called "SelectMany". Take a look at how it works on the sequence monad. We need to have two things: turn a value into a sequence and bind operations on sequences. As a bonus, we also have "turn a sequence back into a value". Those op...
Why should I use a pointer rather than the object itself?
...m (especially when using IDEs or text editors that show the signature of a selected functions). Also, const&.
– JAB
Mar 3 '14 at 16:04
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File I/O in Every Programming Language [closed]
...ol compiler
ENVIRONMENT DIVISION.
INPUT-OUTPUT SECTION.
FILE-CONTROL.
SELECT StudentFile ASSIGN TO "STUDENTS.DAT"
ORGANIZATION IS LINE SEQUENTIAL.
DATA DIVISION.
FILE SECTION.
FD TestFile.
01 TestData.
02 LineNum PIC X.
02 LineText PIC X(72).
PROCEDURE DIVISION.
B...
How do I print a list of “Build Settings” in Xcode project?
...Build Settings” when it's built:
To add, (with the target in question selected) under the Build Phases tab-section click the little ➕ button a dozen-or-so pixels up-left-ward from the Target Dependencies section, and set the shell to /bin/bash and the command to export. You'll also probabl...
Any reason why scala does not explicitly support dependent types?
...ndent types is via path-dependent types. These allow a type to depend on a selector path through an object- (ie. value-) graph like so,
scala> class Foo { class Bar }
defined class Foo
scala> val foo1 = new Foo
foo1: Foo = Foo@24bc0658
scala> val foo2 = new Foo
foo2: Foo = Foo@6f7f757
s...
Difference between GIT and CVS
...neral distributed version control systems, such as Git, provide much wider selection of possible workflows. With centralized version control systems, such as CVS, by necessity you have to distinguish between people with commit access to repository, and those without... and CVS doesn't offer any tool...
A simple explanation of Naive Bayes Classification
...d be Democrats or Republicans. They are also either male or female.
If we select one senator completely randomly, what is the probability that this person is a female Democrat? Conditional Probability can help us answer that.
Probability of (Democrat and Female Senator)= Prob(Senator is Democrat) ...
Alternatives to gprof [closed]
...lways found profilers not so useful for fixing slow code, and instead used selective bits of debugging code to measure the time taken by a group of statements of my choosing, often aided by some trivial little macros or whatever. It's never taken me too long to find the culprit, but I've always bee...
CGRidCtrl控件 学习心得 - C/C++ - 清泛网 - 专注C/C++及内核技术
...
GVIS_FOCUSED
单元格成为焦点
GVIS_SELECTED
单元格被选中
GVIS_DROPHILITED
单元格被高亮显示
GVIS_READONLY
单元格只读
GVIS_FIXED
单元格固定
GVIS_FIXED...
What does .SD stand for in data.table in R
...iping can be beautiful
library(Lahman)
Teams = as.data.table(Teams)
# *I'm selectively suppressing the printed output of tables here*
Teams
Pitching = as.data.table(Pitching)
# subset for conciseness
Pitching = Pitching[ , .(playerID, yearID, teamID, W, L, G, ERA)]
Pitching
Naked .SD
To illustrat...