fp a best practices

Best practices for retrieving and cropping images from a camera (album), best practices for tailoring In the process of developing some apps, we may involve Avatar processing, such as getting an Avatar from a mobile phone or album, cropping it into an avatar you need, and setting or uploading an avatar. There are too m

C learning practices --- Delete specified characters in a string, learning practices strings 1 # include

SOLID is the acronym for a set of best coding practices S Single Responsibility Principle O principles of openness and closure L Liskov (in-house) substitution principle I Interface Separation principle D Dependency Injection principle By applying these best practices at the same time, you can improve your code's ability to adapt to changes.

A large number of concurrent emergency processing schemes and practices 2--using cachingThe method provided by a large number of concurrent contingency management programs and practices, can only do emergency when a reference, not recommended at the beginning of design use,

has a general understanding. I think it is not an exaggeration to use the "authoritative guide for C ++ Beginners" label. To learn a new thing, the most important thing is to be able to master the basic concepts of orthodox correctness at the entry stage, and not to bend around during the learning process.Path. (Think about the diligent and well-performing folk scientists, I think their main disadvantage

1. Add a uiview to the cell, set the UIView height to 1, and set the left, bottom, and right constraints for this uiview.2. You do not need to add any controls to the cell, overriding the cell's-(void) Setframe: (CGRect) Frame method-(void) Setframe: (cgrect) frame{ 1; [Super Setframe:frame];} /* In this way, each cell's height is reduced by 1, the bottom will be vacated by a height of 1 clearance, th

-driven practices of object framework (I): From DataTable to EntityObject Domain-driven practices of the Entity Framework (II): layered architecture Field-driven practice of Entity Framework (III): Case study: a simple sales system Domain-driven practices of object frameworks (iv): stored procedure-Domain-driven

service and provide solutions and business best practices.1 Performance and latency issuesBefore the service, the business is usually a local API call, and local method calls have less performance loss. After service, the service provider and consumer use remote network communication, which adds additional performance loss: The client needs to serialize the message, which mainly consumes CPU compu

6 7 public Job job() { return stepBuilders.get("parallelSteps") .start(step1) .split(asyncTaskExecutor).add(flow1, flow2) .next(step3) .build();} In this example we execute the STEP1 first, then execute Flow1 and flow2 in parallel, and then execute step3.Spring Batch provides partitionstep to implement parallel processing in multiple processes for the same step. With Partitonstep and Partitionhandler, one step can be e

Comment: A well-designed command-line application is a productive tool, and this article describes 12 best practices for developing command-line tools The CLI is a great way to build a product, and unlike a Web app, it takes

Cruisecontrol enterprise best practices (1): publish with a publishercopyright 2007 Julian Simpson. All rights reserved. Original article: cruisecontrol Enterprise: 10 Best Practices I'm an infrastructure specialist at thoughtworks. in my role I make sure that we are building our software so it can successfully be deployed to production. in this series of blo

MVC5 website development practices 1. Create a project and mvc5 website developmentDirectory Overview of MVC5 website development practices 1. Establish a project 1. Establish a Team Project Use different computers in the office and home, and build the project as

A complete set of practices [Author] Su Chunli Liang Sujuan [Abstract]To do things, you must be human first. Being human is the premise and key to doing things. It is also the key factor that determines the success or failure of things. If you are wrong, you will fail to do things. This book, in combination with a large number of t

code base and are then used at compile time. Depending on what you download, here are two best practices for vendoring. Download the Vendor directory name processBinary _vendor plus gopath prefix compilationLibrary Vendor overriding import statements If you download binary, create a _vendor subdirectory at the root of the codebase. (with an underscore so that the go tool ignores it when it is processed, su

Best practices for building a single-page application with vue2.0 Preface We will choose to use vue-cli, vue-router, vue-resource, and vuex libraries around the vue. 1. Use vue-cli to create a project 2. Use vue-router to implement single-page Routing 3. Use vuex to manage our data streams 4. Use vue-resource to request our node Server 5. Use the. vue file for co

compound talents. I would like to raise an aside. When we grow, study, and work, we are constantly influenced by society and other people related to you. Therefore, we are a technical engineer, we should not look at the technology, but do not deal with machines all day. You must remember that you are developing for "people", so we should communicate with people and society, especially if you want to be an architect or

internal components through v-bind= "$attrs"--useful when creating higher-level components.2. Notice that the sub-component @focus=$emit(‘focus‘, $event)" actually did nothing, just pass the event back to the parent component, which is actually similar to the above, I have absolutely no need to explicitly declare:input :value="value" v-bind="$attrs" v-on="listeners">computed: { listeners() { return { ...this.$listeners, input: event => this.$emit(‘input‘, event.target.value) } }}$li

) application=getattr (module, application) httpd=Make_server (server_address, application) httpd.serve_forever ()Print("wsgiserver:serving HTTP on port {port}...\n". Format (port=PORT))wsgiapp.pydefapp (environ, start_response):"""A barebones WSGI application. This is a starting a-own Web Framework:)"""Status='OK'response_headers= [('Content-type','Text/plain')]

Design a flexible and stable multi-layer architectureProgramIt is not easy. With mature models and applications, you also need to experience various applications and requirements. To put it bluntly, you must be able to withstand the difficulties. Recently, when restructuring your EPN framework, I have some new experiences and practices to share with you. The first is the database design.

element and its child elements are not set Z-index value, then select the topmost sibling element to compare. Subsequent elements, regardless of level, are always displayed with the father.4. The IE6 of the wonderful, always first compare the level of the parent element, the parent element level compared to the leeward, then the sub-element level can not be too high, to fight the rhythm of the father. Testing IE7 with Multibrowser is also the effect. When the element z-index is negative, this e