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java - Android SDK 28 - versionCode in PackageInfo has been deprecated

I just upgraded my app's compileSdkVersion to 28 (Pie). I'm getting a compilation warning: warning: [ ... /52977079/android-sdk-28-versioncode-in-packageinfo-has-been-deprecated...

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

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620 views

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localization - How can I make Rails 3 localize my date formats?

I am working on a Rails 3 project where there is place for date input within a form. The text field with the ... /questions/3879680/how-can-i-make-rails-3-localize-my-date-formats...

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

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python - Making sure that psycopg2 database connection alive

I have a python application that opens a database connection that can hang online for an hours, but ... com/questions/1281875/making-sure-that-psycopg2-database-connection-alive...

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

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187 views

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ios - How can I decode an object when original class is not available?

I have an iOS 7 application that saves a custom object to app's iCloud Docs folder as a file. For this, I make ... /how-can-i-decode-an-object-when-original-class-is-not-available...

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

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c++ - How to use const_cast?

I have a private variable in my Student class defined as: const int studentNumnber; I am trying to write a ... https://stackoverflow.com/questions/19554841/how-to-use-const-cast...

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

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135 views

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How to work with "FIFO" in C# .NET?

Is there a standard collection in .NET that implements a FIFO stack? question from:https://stackoverflow.com/questions/2966286/how-to-work-with-fifo-in-c-sharp-net...

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

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185 views

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linux - What goes in /var?

I read The Linux Command Line by William Shotts, and there are some descriptions of Linux files (system ... https://stackoverflow.com/questions/18514447/what-goes-in-var...

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

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228 views

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Android ScrollView and buttons at bottom of the screen

I want to implement this: A ScrollView that contains many elements (ImageViews, TextViews, EditTexts etc) and ... 9326299/android-scrollview-and-buttons-at-bottom-of-the-screen...

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

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123 views

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How to cap and round number in ruby

I would like to "cap" a number in Ruby (on Rails). For instance, I have, as a result of a function, a ... ://stackoverflow.com/questions/884512/how-to-cap-and-round-number-in-ruby...

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

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Naming: Why should named constants be all uppercase in C++/Java?

I know, that for C++ and Java it is a well established naming convention, that constants should be written all ... /naming-why-should-named-constants-be-all-uppercase-in-c-java...

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

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262 views

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php - How to turn off magic quotes on shared hosting?

I want to turn off PHP's magic quotes. I don't have access to php.ini. When I tried to add php_flag ... .com/questions/517008/how-to-turn-off-magic-quotes-on-shared-hosting...

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

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java - Iterate with for loop or while loop?

I often see code like: Iterator i = list.iterator(); while(i.hasNext()) { ... } but I write that ( ... https://stackoverflow.com/questions/99164/iterate-with-for-loop-or-while-loop...

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

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android - How can i download images from Google Play developer console

I'm about to create a different version of my existing app. I need hi-res icon, featured graphic, and ... /36508291/how-can-i-download-images-from-google-play-developer-console...

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

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463 views

1 answer

cordova - PhoneGap - android exit on backbutton

I am trying to program RSS reader using jquery mobile and cordova. My RSS reader consists of 3 pages ... //stackoverflow.com/questions/12338337/phonegap-android-exit-on-backbutton...

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

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106 views

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Creating an IFRAME using JavaScript

I have a webpage hosted online and I would like it to be possible that I could insert an IFRAME onto ... ://stackoverflow.com/questions/8726455/creating-an-iframe-using-javascript...

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

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232 views

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algorithm - Why use binary search if there's ternary search?

I recently heard about ternary search in which we divide an array into 3 parts and compare. Here there will ... /questions/3498382/why-use-binary-search-if-theres-ternary-search...

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

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515 views

1 answer

node.js - Check if ID exists in a collection with mongoose

For instance, I have a collection User: var mongoose = require('mongoose'); var UserSchema = new mongoose.Schema ... /27482806/check-if-id-exists-in-a-collection-with-mongoose...

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

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214 views

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jquery - Disable 'X' button in top-right of Dialog

(This question already has answers here): question from:https://stackoverflow.com/questions/2042691/disable-x-button-in-top-right-of-dialog...

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

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239 views

1 answer

Sharing Bitmap via Android Intent

In my android app, I have a bitmap (say b) and a button. Now when I click on the button, I ... from:https://stackoverflow.com/questions/33222918/sharing-bitmap-via-android-intent...

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

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156 views

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c# - WinForms AcceptButton not working?

Ok, this is bugging me, and I just can't figure out what is wrong... I have made two forms. ... from:https://stackoverflow.com/questions/487920/winforms-acceptbutton-not-working...

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

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392 views

1 answer

xcode - IOS: copy a file in documents folder

In my project I have two file .txt (in Resources folder), how can I copy them inside documents folder? ... /stackoverflow.com/questions/6545180/ios-copy-a-file-in-documents-folder...

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

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108 views

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javascript - How to create and clone a JSON object?

I was wondering how can I create a JSON (JS) object and then clone it. question from:https://stackoverflow.com/questions/4120475/how-to-create-and-clone-a-json-object...

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

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809 views

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doctrine orm - Doctrine2 - No Metadata Classes to process

Something is wrong with documentation or me. I do all what documentation says. When i put in terminal ... .com/questions/17473225/doctrine2-no-metadata-classes-to-process...

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

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373 views

1 answer

c# - Visual Studio 2010 Compiling with the Debug or Release version of third party library depending on if my project is being compiled Build or Release?

I've downloaded a number of 3rd party libraries (dlls) now for Visual Studio 2010/C# and I've noticed that in ... 2010-compiling-with-the-debug-or-release-version-of-third-party-li...

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

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110 views

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Probability in Java

I was curious to know, how do I implement probability in Java? For example, if the chances of a ... question from:https://stackoverflow.com/questions/8183840/probability-in-java...

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

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130 views

1 answer

iphone - Asihttprequest 61 errors

I'm using the ASIhttprequest in many projects but recently with each new project when I'm ... reachabilityWithHostName:] in Reachability.o "_SCNetworkReachabilitySetCallback", re...

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

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247 views

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optimization - What are some best practices for reducing memory usage in C?

What are some best practice for "Memory Efficient C programming". Mostly for embedded/mobile device what should be the ... -are-some-best-practices-for-reducing-memory-usage-in-c...

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

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868 views

1 answer

centos7 - Docker service start failed

I have a CentOS 7.2 VM with Docker installed. Docker service and Docker container worked normally previously ... ://stackoverflow.com/questions/39100641/docker-service-start-failed...

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

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