Tutorial by Topics: pl

public static SqlMapper.GridReader QueryMultiple(this IDbConnection cnn, string sql, object param = null, IDbTransaction transaction = null, int? commandTimeout = null, CommandType? commandType = null) public static SqlMapper.GridReader QueryMultiple(this IDbConnection cnn, CommandDefinition comm...

Purpose And Use Cases The purpose of the Task Parallel Library is to simplify the process of writing and maintaining multithreaded and parallel code. Some Use Cases*: Keeping a UI responsive by running background work on separate task Distributing workload Allowing a client application ...

Python does common mathematical operators on its own, including integer and float division, multiplication, exponentiation, addition, and subtraction. The math module (included in all standard Python versions) offers expanded functionality like trigonometric functions, root operations, logarithms, a...

Template literals are a type of string literal that allows values to be interpolated, and optionally the interpolation and construction behaviour to be controlled using a "tag" function. message = `Welcome, ${user.name}!` pattern = new RegExp(String.raw`Welcome, (\w+)!`); query = S...

plot(Y) plot(Y,LineSpec) plot(X,Y) plot(X,Y,LineSpec) plot(X1,Y1, X2,Y2, ..., Xn,Yn) plot(X1,Y1,LineSpec1, X2,Y2,LineSpec2, ..., Xn,Yn,LineSpecn) plot(___, Name,Value) h = plot(___) ParameterDetailsXx-valuesYy-valuesLineSpecLine style, marker symbol, an...

Classes, functions, and (since C++14) variables can be templated. A template is a piece of code with some free parameters that will become a concrete class, function, or variable when all parameters are specified. Parameters can be types, values, or themselves templates. A well-known template is std...

read.csv(file, header = TRUE, sep = ",", quote = """, dec = ".", fill = TRUE, comment.char = "", ...) read.csv2(file, header = TRUE, sep = ";", quote = """, dec = ",", fill = TRUE, comment.char = "", ....

A tuple type is a comma-separated list of types, enclosed in parentheses. This list of types also can have name of the elements and use those names to refer to the values of the individual elements. An element name consists of an identifier followed immediately by a colon (:). Common use - We ca...

In MongoDB 3.0, MMAP (default) and WiredTiger are the stable storage engines. Usually, if your app is read-heavy, use MMAP. If its write-heavy, use WiredTiger. Your solution may also have a mixed replica set members where you can have one node configured with MMAP and another with WiredTiger. Yo...

#See https://golang.org/pkg/text/template/ for Go Template Action and Function syntax expression = alert status {{.Last.Status}} and a variable {{.Eval .Alert.Vars.q | printf "%.2f"}} expression = `Use backticks to span multiple lines with line breaks in the Bosun config file` templ...

Bosun Templates can include graphs to provide more information when sending a notification. The graphs can use variables from the alert and filter base on the tagset for the alert instance or use the GraphAll function to graph all series. When viewed on the Dashboard or in an email you can click o...