Mitchel  Carter

Mitchel Carter

1604023200

Customizable view to imput pin-code for iOS

Installation

PinCodeView is available through CocoaPods. To install

it, simply add the following line to your Podfile:

pod 'SVPinCodeView'

Ruby

How to use:

Just put UIView in your xib or storyboard and change class name on “SVPinCodeView”

Use @IBInspectable properties to change interface:

pinCodeView.numberOfSymbols  = 4
pinCodeView.imputViewColor  = UIColor.init(red: 244/255.0, green: 245/255.0, blue: 247/255.0, alpha: 1)
pinCodeView.symbolColor  = UIColor.init(red: 255/255.0, green: 168/255.0, blue: 18/255.0, alpha: 1)
pinCodeView.underlineColor = UIColor = UIColor.init(red: 123/255.0, green: 207/255.0, blue: 218/255.0, alpha: 1)
pinCodeView.underlineSize = CGFloat = 3
pinCodeView.corners =  9
pinCodeView.font = UIFont.boldSystemFont(ofSize: 16)
pinCodeView.symbolSize  = 16
pinCodeView.code  = ""
pinCodeView.deegate = self

Ruby

Implement PinCodeViewDelegate to detect imput code

Author

Vitaly Singleton

#pin code #password #input

What is GEEK

Buddha Community

Customizable view to imput pin-code for iOS
Tyrique  Littel

Tyrique Littel

1604008800

Static Code Analysis: What It Is? How to Use It?

Static code analysis refers to the technique of approximating the runtime behavior of a program. In other words, it is the process of predicting the output of a program without actually executing it.

Lately, however, the term “Static Code Analysis” is more commonly used to refer to one of the applications of this technique rather than the technique itself — program comprehension — understanding the program and detecting issues in it (anything from syntax errors to type mismatches, performance hogs likely bugs, security loopholes, etc.). This is the usage we’d be referring to throughout this post.

“The refinement of techniques for the prompt discovery of error serves as well as any other as a hallmark of what we mean by science.”

  • J. Robert Oppenheimer

Outline

We cover a lot of ground in this post. The aim is to build an understanding of static code analysis and to equip you with the basic theory, and the right tools so that you can write analyzers on your own.

We start our journey with laying down the essential parts of the pipeline which a compiler follows to understand what a piece of code does. We learn where to tap points in this pipeline to plug in our analyzers and extract meaningful information. In the latter half, we get our feet wet, and write four such static analyzers, completely from scratch, in Python.

Note that although the ideas here are discussed in light of Python, static code analyzers across all programming languages are carved out along similar lines. We chose Python because of the availability of an easy to use ast module, and wide adoption of the language itself.

How does it all work?

Before a computer can finally “understand” and execute a piece of code, it goes through a series of complicated transformations:

static analysis workflow

As you can see in the diagram (go ahead, zoom it!), the static analyzers feed on the output of these stages. To be able to better understand the static analysis techniques, let’s look at each of these steps in some more detail:

Scanning

The first thing that a compiler does when trying to understand a piece of code is to break it down into smaller chunks, also known as tokens. Tokens are akin to what words are in a language.

A token might consist of either a single character, like (, or literals (like integers, strings, e.g., 7Bob, etc.), or reserved keywords of that language (e.g, def in Python). Characters which do not contribute towards the semantics of a program, like trailing whitespace, comments, etc. are often discarded by the scanner.

Python provides the tokenize module in its standard library to let you play around with tokens:

Python

1

import io

2

import tokenize

3

4

code = b"color = input('Enter your favourite color: ')"

5

6

for token in tokenize.tokenize(io.BytesIO(code).readline):

7

    print(token)

Python

1

TokenInfo(type=62 (ENCODING),  string='utf-8')

2

TokenInfo(type=1  (NAME),      string='color')

3

TokenInfo(type=54 (OP),        string='=')

4

TokenInfo(type=1  (NAME),      string='input')

5

TokenInfo(type=54 (OP),        string='(')

6

TokenInfo(type=3  (STRING),    string="'Enter your favourite color: '")

7

TokenInfo(type=54 (OP),        string=')')

8

TokenInfo(type=4  (NEWLINE),   string='')

9

TokenInfo(type=0  (ENDMARKER), string='')

(Note that for the sake of readability, I’ve omitted a few columns from the result above — metadata like starting index, ending index, a copy of the line on which a token occurs, etc.)

#code quality #code review #static analysis #static code analysis #code analysis #static analysis tools #code review tips #static code analyzer #static code analysis tool #static analyzer

Mitchel  Carter

Mitchel Carter

1604023200

Customizable view to imput pin-code for iOS

Installation

PinCodeView is available through CocoaPods. To install

it, simply add the following line to your Podfile:

pod 'SVPinCodeView'

Ruby

How to use:

Just put UIView in your xib or storyboard and change class name on “SVPinCodeView”

Use @IBInspectable properties to change interface:

pinCodeView.numberOfSymbols  = 4
pinCodeView.imputViewColor  = UIColor.init(red: 244/255.0, green: 245/255.0, blue: 247/255.0, alpha: 1)
pinCodeView.symbolColor  = UIColor.init(red: 255/255.0, green: 168/255.0, blue: 18/255.0, alpha: 1)
pinCodeView.underlineColor = UIColor = UIColor.init(red: 123/255.0, green: 207/255.0, blue: 218/255.0, alpha: 1)
pinCodeView.underlineSize = CGFloat = 3
pinCodeView.corners =  9
pinCodeView.font = UIFont.boldSystemFont(ofSize: 16)
pinCodeView.symbolSize  = 16
pinCodeView.code  = ""
pinCodeView.deegate = self

Ruby

Implement PinCodeViewDelegate to detect imput code

Author

Vitaly Singleton

#pin code #password #input

iOS App Development Company in Singapore

iOS app development in Singapore

iOS has become the first priority for most smartphone users because of the security it offers compares to the Android operating system. Due to this reason, it is suggested to launch an app in iOS before other platforms.

Want to develop an iOS app in Singapore?

WebClues Infotech with its worldwide reach has already offered its iOS app development services to customers in Singapore. With a highly-skilled development team of 120+ members, WebClues Infotech has got the required resources an agency needs to fulfil client requirements around the world.

Want to know more about our iOS app development services in Singapore?

Visit: https://www.webcluesinfotech.com/iphone-app-development/

Share your requirements https://www.webcluesinfotech.com/contact-us/

View Portfolio https://www.webcluesinfotech.com/portfolio/

#ios app development in singapore #ios app development company #ios app development #ios #ios app #hire ios developer

iOS App Development in the United Arab Emirates

iOS App Development in the United Arab Emirates

Developed and Developing nations have seen a rapid rise in the demand for iOS app development and the United Arab Emirates is no exception. The use of on-demand apps has increased drastically in the last decade and business is leveraging this demand with launching iOS mobile apps.

Want to develop the iOS app in the United Arab Emirates?

WebClues Infotech after serving multiple clients in UAE has become well aware of the people’s needs in the region. With a highly experienced development team that has completed more than 950+ projects, we are prepared to serve you with your iOS app development needs.

Want to know more about our iOS App Development Services in UAE?

Visit: https://www.webcluesinfotech.com/iphone-app-development/

Share your requirements https://www.webcluesinfotech.com/contact-us/

View Portfolio https://www.webcluesinfotech.com/portfolio/

#ios app development in the united arab emirates #ios app development #ios app #ios #ios app development company #hire ios developer

Samanta  Moore

Samanta Moore

1621137960

Guidelines for Java Code Reviews

Get a jump-start on your next code review session with this list.

Having another pair of eyes scan your code is always useful and helps you spot mistakes before you break production. You need not be an expert to review someone’s code. Some experience with the programming language and a review checklist should help you get started. We’ve put together a list of things you should keep in mind when you’re reviewing Java code. Read on!

1. Follow Java Code Conventions

2. Replace Imperative Code With Lambdas and Streams

3. Beware of the NullPointerException

4. Directly Assigning References From Client Code to a Field

5. Handle Exceptions With Care

#java #code quality #java tutorial #code analysis #code reviews #code review tips #code analysis tools #java tutorial for beginners #java code review