save | 易学教程

What's the best way to save a complete webpage on a linux server?

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问题 I need to archive complete pages including any linked images etc. on my linux server. Looking for the best solution. Is there a way to save all assets and then relink them all to work in the same directory? I've thought about using curl, but I'm unsure of how to do all of this. Also, will I maybe need PHP-DOM? Is there a way to use firefox on the server and copy the temp files after the address has been loaded or similar? Any and all input welcome. Edit: It seems as though wget is 'not' going

Overriding dateCreated for testing in Grails

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Is there any way I can override the value of dateCreated field in my domain class without turning off auto timestamping? I need to test controller and I have to provide specific domain objects with specific creation date but GORM seems to override values I provide. Edit My classes look like this: class Message { String content String title User author Date dateCreated Date lastUpdated static hasMany = [comments : Comment] static constraints = { content blank: false author nullable: false title nullable: false, blank: false } static mapping = { tablePerHierarchy false tablePerSubclass true

object.valid? returns false but object.errors.full_messages is empty

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问题 I'm confuse about objects that I can't save, simplified model is class Subscription < ActiveRecord::base belongs_to :user, :class_name => "User", :foreign_key => "user_id" has_many :transactions, :class_name => "SubscriptionTransaction" validates_presence_of :first_name, :message => "ne peut être vide" validates_presence_of :last_name, :message => "ne peut être vide" validates_presence_of :card_number, :message => "ne peut être vide" validates_presence_of :card_verification, :message => "ne

How can I change a Django form field value before saving?

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问题 if request.method == 'POST': userf = UsersModelForm(request.POST) username = userf.data['username'] password = userf.data['password'] passwordrepeat = userf.data['passwordrepeat'] email = userf.data['email'] I tried this: tempSalt = bcrypt.gensalt() password = bcrypt.hashpw(password,tempSalt) passwordrepeat = bcrypt.hashpw(passwordrepeat,tempSalt) userf.data['password'] = password userf.data['passwordrepeat'] = passwordrepeat But i got error. How can i change the value of userf.data['password

How to implement pause/resume in cocos2d game?

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问题 My question is to look for design solution for pause/resume states (including all data info, which need save ) during cocos2d game. Including following cases, but not limited: 1). User choose quit, then pop out one dialog for user to choose " quit directly", " pause " ; 2). Someone call in , pop out dialog for user to choose "quit " or " pause " game. If choose "pause", everything which deserve saving, should be saved. Just like PC games do. I know Director provides "pause" , "resume " , is

Get the html of the javascript-rendered page (after interacting with it)

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问题 I would like to be able to save the state of the html page after I've interacted with it. Say I click a checkbox, or the javascript set the values of various elements. How can I save the "javascript-rendered" page? Thanks. 回答1: That should do and will grab the ALL page not just the body console.log(document.getElementsByTagName('html')[0].innerHTML); 回答2: In Chrome (and apparently Firefox), there is a special copy() method that will copy the rendered content to the clipboard. Then you can do

How to specify file and path to save a file with R-shiny and shinyFiles?

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I am working with R (shiny) and want to save a dataframe as an excel file. For this purpose I use the "shinyFiles" package so that the user can specify where the excel file is to be stored: server.R library(shiny) library(shinyFiles) shinyServer(function(input, output, session) { ## ShinyFiles : get the user favorite directory volumes=c(home = '~/'), shinyDirChoose(input, 'dir', roots=volumes, filetypes = c('','xlsx')), output$dir.res <- renderPrint({parseDirPath(volumes, input$dir)}), ## Button to save the file observeEvent(input$button.save, { ## A standard file name A <- "name" B <- "family

Function to save ggplot

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问题 I would like to create a function to save plots (from ggplot ). I have many such plots so this will help me to work more effectively. Here is a data frame: ### creating data frame music <- c("Blues", "Hip-hop", "Jazz", "Metal", "Rock") number <- c(8, 7, 4, 6, 11) df.music <- data.frame(music, number) colnames(df.music) <- c("Music", "Amount") Then I create a plot: ### creating bar graph (this part is OK) myplot <- ggplot(data=df.music, aes(x=music, y=number)) + geom_bar(stat="identity") +

How to save a data frame as CSV to a user selected location using tcltk

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问题 I have a data frame called, Fail . I would like to save Fail as a CSV in a location that the user selects. Below is some example code that I found, but I don't know how to incorporate Fail into it. require(tcltk) fileName <- tclvalue(tkgetSaveFile()) if (!nchar(fileName)) { tkmessageBox(message = "No file was selected!") } else { tkmessageBox(message = paste("The file selected was", fileName)) } 回答1: Take a look at the write.csv or the write.table functions. You just have to supply the file

How to Draw something with your finger in an Android App… And save it to the web

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** THIS QUESTION WAS SUCCESSFULLY ANSWERED AND HAS BECOME A BLOG POST <- click ** Hi I am a PHP developer I want to do a simple thing - I want to draw something drawn on a blank page on an Android Phone (with a finger with a largeish "emulated pen nib") and store the bitmap as a jpeg on a server by http post. Here is what I have so far but this is taken from a tutorial that is involved with writing sprites for a game.. And I cant' adapt it package com.my.example; import android.app.Activity; import android.content.Context; import android.graphics.Bitmap; import android.graphics.BitmapFactory;