Tutorial by Examples: u

first you add System.Security.Cryptography namespace to your project public string GetSha1Hash(string filePath) { using (FileStream fs = File.OpenRead(filePath)) { SHA1 sha = new SHA1Managed(); return BitConverter.ToString(sha.ComputeHash(fs)); ...

Detailed instructions on getting azure-functions set up or installed.

You can try Azure Functions for free by accessing the link: Try Azure Functions It will open the following page: For this trial, you can create your functions using C# or JavaScript, however Azure Functions also supports F#, Node.js, Python, PHP, batch, bash, or any executable. After selection ...

The code example below demonstrate how you can get a lighter and darker shade of a given color, useful in applications having dynamic themes For Darker Color + (UIColor *)darkerColorForColor:(UIColor *)c { CGFloat r, g, b, a; if ([c getRed:&r green:&g blue:&b alpha:&a]) ...

As stated above Functions are smaller procedures that contain small pieces of code which may be repetitive inside a Procedure. Functions are used to reduce redundancy in code. Similar to a Procedure, A function can be declared with or without an arguments list. Function is declared as a return ty...

Detailed instructions on getting mainframe set up or installed.

y ~ . : Here . is interpreted as all variables except y in the data frame used in fitting the model. It is equivalent to the linear combinations of predictor variables. For example y ~ var1 + var2 + var3+...+var15 y ~ . ^ 2 will give all linear (main effects) and second order interaction terms of t...

const languages = [ 'JavaScript', 'Python', 'Java', 'Elm', 'TypeScript', 'C#', 'F#' ] // one liner const Language = ({language}) => <li>{language}</li> Language.propTypes = { message: React.PropTypes.string.isRequired } /** * If there are more ...

Detailed instructions on getting network-programming set up or installed.

Gin is a web framework written in Golang. It features a martini-like API with much better performance, up to 40 times faster. If you need performance and good productivity, you will love Gin. There will be 8 packages + main.go controllers core libs middlewares public routers services...

CREATE USER readonly WITH ENCRYPTED PASSWORD 'yourpassword'; GRANT CONNECT ON DATABASE <database_name> to readonly; GRANT USAGE ON SCHEMA public to readonly; GRANT SELECT ON ALL SEQUENCES IN SCHEMA public TO readonly; GRANT SELECT ON ALL TABLES IN SCHEMA public TO readonly;

Animation below shows what is happening when you use IDataInput interface methods to access data form ByteArray and other classes which implement this interface.

There is a way to simplify defining autolayout for views using VFL. It may seem hard at first, but it is actually really easy to use. Some definitions first: | represents superview H: or V: represent current orientation - horizontal or vertical view names should be enclosed in square brackets ...

Checkpointing configuration is done in two steps. First, you need to choose a backend. Then, you can specify the interval and mode of the checkpoints in a per-application basis. Backends Available backends Where the checkpoints are stored depends on the configured backend: MemoryStateBackend...

A savepoint stores two things: (a) the positions of all datasources, (b) the states of operators. Savepoints are useful in many circonstances: slight application code updates Flink update changes in parallelism ... As of version 1.3 (also valid for earlier version): checkpoint must be ...

Getting set up to use webdev takes some time, if you're doing anything more than tweaking a bit of text. Here are the initial setup steps: $ mkdir site $ cd site $ git clone [email protected]:dart-lang/site-webdev.git $ source ./scripts/env-set.sh $ ./scripts/install-dart-sdk.sh $ ./s...

Detailed instructions on getting qt5 set up or installed.

It is very common for C functions to accept pointers to other functions as arguments. Most popular example is setting an action to be executed when a button is clicked in some GUI toolkit library. It is possible to pass Haskell functions as C callbacks. To call this C function: void event_callback...

In this example, we will try to find JavaScript data which containing backgroundColor:'#FFF'. Then, we will change value of backgroundColor '#FFF' ⇨ '#ddd'. This code uses getWholeData() and setWholeData() methods to manipulate JavaScript data. Alternatively, html() method can be used to get data of...

Mutable global items (called static mut, highlighting the inherent contradiction involved in their use) are unsafe because it is difficult for the compiler to ensure they are used appropriately. However, the introduction of mutually exclusive locks around data allows memory-safe mutable globals. Th...