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I was looking at a scheduling tutorial by Vogella. It mentions the Job Scheduler API that was introduced in API ... .com/questions/28563543/using-job-scheduler-in-android-api-21...

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node.js - how to find out the current NODE_ENV the express app is running under?

I was just wondering if i can find out what is the current value of NODE_ENV (i.e. either development or production ... -out-the-current-node-env-the-express-app-is-running-under...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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eloquent - Laravel Soft Delete restore() Error

The following soft delete code works fine for me: $post = Post::find($post_id); $post->delete(); The ... ://stackoverflow.com/questions/25576024/laravel-soft-delete-restore-error...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Test in JQuery if an element is at the top of screen

I have a div that is positioned about 100px from the top of the browser window. When the user scrolls down, I want the ... /test-in-jquery-if-an-element-is-at-the-top-of-screen...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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.net - Was C# compiler written in C++?

Was C# compiler written in C++? question from:https://stackoverflow.com/questions/631059/was-c-sharp-compiler-written-in-c...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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shell - nginx: use environment variables

I have the following scenario: I have an env variable $SOME_IP defined and want to use it in a ... :https://stackoverflow.com/questions/21866477/nginx-use-environment-variables...

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c# - How to handle nulls in LINQ when using Min or Max?

I have the following Linq query: result.Partials.Where(o => o.IsPositive).Min(o => o.Result) I get an exception ... /9852599/how-to-handle-nulls-in-linq-when-using-min-or-max...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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cocoa - Dynamically invoke a class method in Objective C

Suppose I have Objective C interface SomeClass which has a class method called someMethod: @interface SomeClass : ... /1781046/dynamically-invoke-a-class-method-in-objective-c...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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HTML Tags in Javascript Alert() method

I wanted to know if it's possible to add HTML tags to JavaScript alert() method, such as: <b> < ... https://stackoverflow.com/questions/5278197/html-tags-in-javascript-alert-method...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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html - jQuery DataTable overflow and text-wrapping issues

I have the following DataTable (full-width css class sets width = 100%) <table class="datatable full- ... com/questions/8058109/jquery-datatable-overflow-and-text-wrapping-issues...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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html - Why doesn't table > tr > td work when using the child selector?

I can't really get why the following selector works as expected (i.e. get the td): table tr td but this one ... /5568859/why-doesnt-table-tr-td-work-when-using-the-child-selector...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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How to sanitize sql fragment in Rails

I have to sanitize a part of sql query. I can do something like this: class << ActiveRecord::Base ... stackoverflow.com/questions/3009023/how-to-sanitize-sql-fragment-in-rails...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ruby - Can't start foreman in Heroku Tutorial using Python

I have been attempting to complete this tutorial, but have run into a problem with the foreman start line. ... questions/15399637/cant-start-foreman-in-heroku-tutorial-using-python...

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.net - Was C# compiler written in C++?

Was C# compiler written in C++? question from:https://stackoverflow.com/questions/631059/was-c-sharp-compiler-written-in-c...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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comments - What is shortcut for uncomment in Visual Studio Code?

Old way with CTRL + K CTRL + C works for commenting but old way CTRL + K CTRL + U not working ... com/questions/51383050/what-is-shortcut-for-uncomment-in-visual-studio-code...

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macos - How can I disable Bash sessions in OS X El Capitan

A seemingly new feature in OS X El Capitan (10.11 Beta) is Bash sessions (Terminal sessions). I now have a ~/ ... /32418438/how-can-i-disable-bash-sessions-in-os-x-el-capitan...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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filepath - Map the physical file path in asp.net mvc

I am trying to read an XSLT file from disk in my ASP.Net MVC controller. What I am doing is the following: ... .com/questions/2834938/map-the-physical-file-path-in-asp-net-mvc...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Get checked status on click event in angular Material

I have a angular element <mat-checkbox class="btn-block" labelPosition="before" (change)="showOptions($event)" ( ... /46765229/get-checked-status-on-click-event-in-angular-material...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How can I share a variable or object between two or more Servlets?

I would like to know if there is some way to share a variable or an object between two or more Servlets, I mean ... -can-i-share-a-variable-or-object-between-two-or-more-servlets...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Rails 3. Building an oauth2 provider

I am developing an API in Ruby on Rails 3 and I would like to secure it with Oauth2. In other words, ... ://stackoverflow.com/questions/4900300/rails-3-building-an-oauth2-provider...

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node.js - NodeJS & SSL - "bad password read"

Node is failing to create a secure context for SSL communications. Specifically, I'm trying to get remote ... //stackoverflow.com/questions/30957793/nodejs-ssl-bad-password-read...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ruby on rails - How to get blank checkboxes to pass as false to params

I have a form that is an update user form where several of the elements are checkboxes. I want true to pass to ... /20379311/how-to-get-blank-checkboxes-to-pass-as-false-to-params...

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Finding non-expiring keys in Redis

In my setup, the info command shows me the following: [keys] => 1128 [expires] => 1125 I'd like ... https://stackoverflow.com/questions/9817951/finding-non-expiring-keys-in-redis...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ruby on rails - Rspec/Capybara loading in progress, circular require considered harmful

Unsure if this is a Capybara issue, but I just did a fresh install of Rails (4.1.1) ... questions/24176446/rspec-capybara-loading-in-progress-circular-require-considered-harmful...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - How to make contextual actionmode bar overlay my layout instead of "pushing" it down

I have implemented my own viewgroup for my application. Using actionbar is not an option for various reasons ... contextual-actionmode-bar-overlay-my-layout-instead-of-pushing-it...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - Upgrading to xcode 4 error No architectures to compile for

I am getting an error after upgrading to xcode 4, for all of the library projects that my application depends ... /upgrading-to-xcode-4-error-no-architectures-to-compile-for...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - Dynamic programming - Largest square block

I need to find the largest square of 1's in a giant file full of 1's and 0's. I know ... from:https://stackoverflow.com/questions/1726632/dynamic-programming-largest-square-block...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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How to get string from ASCII code in Swift?

How can I get a character from a ASCII code in Apple's new Swift? For example 65 would returns "A". question ... .com/questions/24354549/how-to-get-string-from-ascii-code-in-swift...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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