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handler - how to use postDelayed() correctly in android studio?

I have a countDownTimer and if the user does not hit the gameButton within the 12th second I want the gameOver method ... { gameOver(); } } } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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signals - Python: Catch Ctrl-C command. Prompt "really want to quit (y/n)", resume execution if no

I have a program that may have a lengthy execution. In the main module I have the following: import signal def ... . Is there a simpler way? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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250 views

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Jquery ajax error callback

I need some suggestions here or maybe some explanations. I have a jquery ajax call, $.ajax({ type: "GET ... Are my assumptions correct? Thanks. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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php - What is a Unix timestamp and why use it?

What is a Unix timestamp? In PHP, when working with dates, the function strtotime() outputs some integer ... convert dates using strtotime(). See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Correct way to synchronize ArrayList in java

I'm not sure if this is the correct way to synchronize my ArrayList. I have an ArrayList in_queue which is ... in_queue_list.remove(0); } } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - Error type 3: Activity Class {...} does not exist

AndroidManifest: <?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/ ... . Note: .Splash does exist. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - .NET application cannot start and receive XamlParseException

I wrote an app that can install and work on my development PC (a Window 7). Development Environment: Window 7, ... Machine. What is going on? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - translate animation

I want an image to move horizontally. i.e image should move from left end bottom corner to right end bottom ... tell me how to solve this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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vue.js - use axios globally in all my components vue

I am testing with axios within a Vue application and the CLI. I've been using vue-resource and I could access it ... once in the main.js file? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Static vs. non-static method

Suppose you have some method that could be made static, inside a non-static class. For example: private ... example to clarify my intention. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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266 views

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php - How do I check if the request is made via AJAX in CodeIgniter?

How do I check if the request is an AJAX? I am using CodeIgniter. I have a link that when it clicked, ... is intended only for ajax requests. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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regex - Javascript RegExp for splitting text into sentences and keeping the delimiter

I am trying to use javascript's split to get the sentences out of a string but keep the delimiter eg !?. So far I ... know of a way to do this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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utf 8 - How to identify/delete non-UTF-8 characters in R

When I import a Stata dataset in R (using the foreign package), the import sometimes contains characters that ... and delete them after that? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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261 views

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javascript - Understanding execute async script in Selenium

I've been using selenium (with python bindings and through protractor mostly) for a rather long time and ... specific, but language-agnostic. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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segmentation fault - SIGNAL 11 SIGSEGV crash Android

Today I faced an error due to which my Android application is getting by SIGNAL 11. This error usually occurs due ... been reached to 10 MB.. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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290 views

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iphone - How can I retrieve a return value from a completion block?

Is it possible to run a completion block on the main thread? For example, I have one method which returns a value ... thread. How can I do this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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165 views

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How to handle an ActiveX event in Javascript

This is somewhat of a follow-up to an answer here. I have a custom ActiveX control that is raising an event (" ... for what we're doing. Thanks. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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332 views

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javascript - SVG to Canvas with d3.js

Has anyone tried using a svg to canvas library when creating d3.js visualizations? I've tried to use ... Has anyone encountered this before? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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175 views

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How to get images to appear in Excel given image url

I'm creating a csv file with one of the columns containing an url of an image (e.g., www.myDomain.com/ ... can get Excel to render this image? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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351 views

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jquery - Simple ASP.NET MVC CRUD views opening/closing in JavaScript UI dialog

I have various simple ASP.NET MVC views for CRUD operations which work fine on their own as a simple ... my question. Any help appreciated See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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305 views

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c++ - The tilde operator in C

I've seen the tilde operator used in the ELF hashing algorithm, and I'm curious what it does. (The code is from ... &= ~g; } return h; } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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358 views

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python - Where do I define the domain to be used by url_for() in Flask?

When I call url_for('index') it will generate '/' but there are times where I'd like it to generate 'domain.tld ... .tld/%s' % url_for('index')? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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356 views

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c# - How can I dynamically switch web service addresses in .NET without a recompile?

I have code that references a web service, and I'd like the address of that web service to be dynamic ... be something relatively easy, though. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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691 views

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reactjs - Warning: It looks like you're using the development build of the Firebase JS SDK

I've integrated Firebase into my React.js app as such: https://firebase.google.com/docs/database/web/start fire ... That results in this error: See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - Meaning of daemon property on Python Threads

I'm a little confused about what setting a thread to be a daemon means. The documentation says this: A ... being called with threads alive? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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269 views

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sql - CASE WHEN statement for ORDER BY clause

I am using SQL Server 2008 R2. I want the priority based sorting for records in a table. So that I am using CASE ... <> 0 at the same time. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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121 views

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Count based on condition in SQL Server

Does anyone know how can I do a count in SQL Server based on condition. Example: How can I do ... TotalCaseID TotalRecordsWithSystem 1 7 2 See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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293 views

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c# - Getting selected value of a combobox

public class ComboboxItem { public string Text { get; set; } public string Value { get; set; } public override ... seems to show up just fine. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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