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xml - How to PHP DOMDocument creating attributes?

I've been smacking my head against the wall for two days trying to figure out how to get PHP to encode the ... the XML example above. Thank You. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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javascript - How can I cache component data in React so it doesn't re-render on every load?

I am using React native and on one of my screens I have a toggle component. The component has 2 options ... I toggle, the props remain constant See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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Why does ALTER TABLE report no records on MySQL?

I am trying to investigate the cause of a slow query in MySQL; I posted about the query itself previously:How ... be truly helpful. Many thanks. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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android - How to make a Volley class a public method

I have to call web service in multiple classes I am using Volley. so what should I do in onresponse method to ... (); } return jsonResponse; } See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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javascript - d3js data binding enter then select an element to listen to

I would like to select elements from DOM and listen to mouse event when hover them. I'm using this library ( ... ' is not a valid selector. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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Why does Cygwin's GCC display the first line of every file?

I'm not a regular Cygwin user. I installed Cygwin and Cygwin64 for testing proposed patches. Here's the output of ... can I stop the behavior? See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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checkbox - Python tkinter checkbutton value always equal to 0

I put the checkbutton on the text widget, but everytime I select a checkbutton, the function checkbutton_value is called ... (fill=X) mainloop() See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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ios - do tableView.reloadData() in external class

I am doing a Parse query from an external class. This query give me back the array for populate the tableview, so ... EDIT I'm using Swift 2.0 See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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jquery - Embedding Google Maps in a page: Map invisible although present in HTML

I am trying to embed a Google Map in my local dev environment (WAMP), using http://code.google.com/p/jquery- ... http://www.isawu.eu/index.html See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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c# - Linq query to find all orphan products

I have three models for a product and product category system: [Products] Id Title Info Price [ProductCategories] Id ... I do that in linq? See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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c# - Linq .FirstOrDefault() on a Mocked List

I'm trying to write a unit test using Moq for some code and coming up against a NullReferenceException on my call ... my null to the List class. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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How to sort numbers in ascending order in a csv file made from python

I want to get the scores which the user has to input then order the scores in ascending order however I am ... row in readCSV: print (row) See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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if statements in C# for a textbox to change back to normal when i press a button for the second time

This is the code that i used to change the text in the text box from "Livre" to "Ocupado" What code should i ... e) { textBox1.Text="Ocupado"; } See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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yii2 migration command gives warning how to fix it?

I want to download and use thyseus/yii2-message. followed steps on github. for installation 1) $ composer ... this migration command exactly do See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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node.js - Can't connect to Socket.io nodejs server

This is the code of the Server: var http = require('http'); var app = require('express')(); http = http. ... { console.log('connection'); }); See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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javascript - event for show/hide list with options of < select > element

All!!! What events should be used when showing or hiding the dropdown list of < option >'s of < ... 'event_hide_dropdrown_list', function(){}); See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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android - What should i do so that camera work everytime?

I am using camera service in my application. Sometimes the camera service is running fine in the application and sometimes ... e.toString()); } See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Showing error in a table row if a checkbox is not checked or an input field has no value on btn click

I have a table and dynamic form fields. I would like to show an error on the row having a checkbox and input field ... } } ); but fails to work See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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Add and Update in ASP.NET Core with Entity Framework

I am doing add and update JSON data into the SQL table. Below Code working for adding and updating a new set of ... throw new Exception(); } } See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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validation - re-enter email validator not working on javascript

So I'm trying to check if the user inputs the same email address and password twice in a signup form ... onkeyup = validatePassword; </script> See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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268 views

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Python 2 --> 3: object of type 'zip' has no len()

I'm following a tutorial on neural nets1 It's in Python 2.7. I'm using 3.4. This is the line that troubles me: ... it so that it works in 3.4? See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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184 views

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decimal - warning, "number_format() expects parameter 1 to be double, string given

I get this error from this line can anyone tell me who can resolve this problem. function format_numeric($str) { ... THE ERROR return $result; } See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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246 views

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dijkstra - Dijktra algorithm vs breath first search for shortest path in graph

I need some clarifications and inputts regarding Dijktra's algorithm vs breath first search in directed graphs, if ... just returns the path. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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LinkedIn People Search API access denials

I integrated LinkedIn People Search API in my iOS app. I am sening requests to this API, but I am getting access denials from LinkedIn. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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I want to grab all emails from an inbox using the Python IMAPLIB module... how can I do this?

This is where I am at, but I'm not sure where to go from here: import imaplib import email conn = imaplib. ... box") exit() print (messages) See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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Set backgroundcolor of every form in vb.net

How can I set the BackColor of every form that exists in my vb.net (fw 4.7.2) project? And yes, I could ... . but that would be too messy then. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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javascript - How to call a function with a promise

I'm fairly new to JS and I'm trying to understand the documentation in a npm package. The ... .com/markmssd/bitbucket-server-nodejs See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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162 views

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loops - R function is looping over the same data in webscraper

This is my program that I've written library(rvest) library(RCurl) library(XML) library(stringr) #Getting the number of ... ") } } findURL(2003) See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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