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php - Find last iteration of foreach loop in laravel blade

In blade template i use last() method to find last iteration of foreach loop: @foreach ($colors as $k => ... questions/35976321/find-last-iteration-of-foreach-loop-in-laravel-blade...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - android.app.Application cannot be cast to android.app.Activity

I'm trying to change a LinearLayout from another class, but when i run this code: public class IRC extends ... /android-app-application-cannot-be-cast-to-android-app-activity...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Node.js and Socket.IO - How to reconnect as soon as disconnect happens

I'm building a small prototype with node.js and socket.io. Everything is working well, the only issue I'm facing ... js-and-socket-io-how-to-reconnect-as-soon-as-disconnect-happens...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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node.js - 400 Billing account for project is not found. Billing must be enabled for activation of service(s)

I am create API with firebase via this tutorial here. On I run: firebase deploy I get this error on the command ... -for-project-is-not-found-billing-must-be-enabled-for-activa...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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iphone - To stop segue and show alert

Using iOS 5 storyboards, on a button I am performing a segue, what I want is to do validation on my ... ://stackoverflow.com/questions/9407571/to-stop-segue-and-show-alert...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to trim white space from all elements in array?

I was just wondering what the best way to remove the white space from all the elements of a list would be. ... questions/9864568/how-to-trim-white-space-from-all-elements-in-array...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - How to pause ExoPlayer 2 playback and resume (PlayerControl was removed)

In ExoPlayer < 2.x there was a class PlayerControl with pause() and resume() functions but it was removed ... how-to-pause-exoplayer-2-playback-and-resume-playercontrol-was-removed...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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reactjs - What's the Difference between mapstatetoprops and mapdispatchtoprops

(This question already has answers here): question from:https://stackoverflow.com/questions/49994197/whats-the-difference-between-mapstatetoprops-and-mapdispatchtoprops...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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macos - Can't install gevent OSX 10.11

Trying to install gevent using Homebrew on OSX 10.11 latest public beta. When running the install, it outputs the ... from macro 'array_needsize' int ecb_unused ocur_ = (cur);...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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apache spark - DataFrame join optimization - Broadcast Hash Join

I am trying to effectively join two DataFrames, one of which is large and the second is a ... stackoverflow.com/questions/32435263/dataframe-join-optimization-broadcast-hash-join...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - Swift performSegueWithIdentifier not working

I am trying to switch view controllers after a user successfully logs in to their account, ... //stackoverflow.com/questions/32292600/swift-performseguewithidentifier-not-working...

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lubridate - How to extract Month from date in R

I am using the lubridate package and applying the month function to extract month from date. I ran the str command ... .com/questions/22603847/how-to-extract-month-from-date-in-r...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How to install PyQt4 in anaconda?

From the PyQt4 website their instructions for installing the package are to download the tarball and use the config ... .com/questions/21637922/how-to-install-pyqt4-in-anaconda...

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c++ - Initializing a vector of vectors having a fixed size with boost assign

Having a vector of vector with a fixed size, vector<vector<int> > v(10); I would like to initialize it so ... initializing-a-vector-of-vectors-having-a-fixed-size-with-boost-assign...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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php - Move Laravel 5 Eloquent models into its own directory

Laravel 5 has ORM models by default in app folder. I want to move these into app/models. When I do ... /questions/29052267/move-laravel-5-eloquent-models-into-its-own-directory...

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ios - Unit testing private method - objective C

I use GHUnit. I want to unit test private methods and don't know how to test them. I found a lot ... ://stackoverflow.com/questions/18354788/unit-testing-private-method-objective-c...

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text rendering - font-weight:700 or font-weight:bold which one we should follow in CSS?

I have seen some websites, which mentioned in CSS - font-weight: 700 or font-weight: bold. But both results are ... -weight700-or-font-weightbold-which-one-we-should-follow-in-css...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Is there a native Proper Case string function in C#?

(This question already has answers here): question from:https://stackoverflow.com/questions/2004944/is-there-a-native-proper-case-string-function-in-c...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Copy text string on click

I spent a good 20 min searching online for this, but couldn't find it. What I want is to to be able ... from:https://stackoverflow.com/questions/45071353/copy-text-string-on-click...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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datareader - Handle DBNull in C#

Is there a better/cleaner way to do this? int stockvalue = 0; if (!Convert.IsDBNull(reader["StockValue"])) ... :https://stackoverflow.com/questions/2433155/handle-dbnull-in-c-sharp...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - how to call a method of multiple arguments with delay

I'm trying to call a method after some delay. I know there is a solution for that: [self performSelector: ... /9634790/how-to-call-a-method-of-multiple-arguments-with-delay...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - ASP.NET Identity, require 'strong' passwords

Perhaps my googlin' skills are not so great this morning, but I can't seem to find how to set ... //stackoverflow.com/questions/20953371/asp-net-identity-require-strong-passwords...

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.net - Get the server machine name in ASP.NET MVC?

I have some code that generates an email and I want to include the actual server machine name that is running in ... /questions/8612163/get-the-server-machine-name-in-asp-net-mvc...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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bash - Creating multiple files with content from shell

New to scripting. How can I write code to create multiple files (a.txt, b.txt, ... , z.txt ... //stackoverflow.com/questions/4140822/creating-multiple-files-with-content-from-shell...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - Disable or prevent multitouch in Activity

I have several Views on an Activity which a user wants to touch quickly in succession and I capture ... .com/questions/8570982/disable-or-prevent-multitouch-in-activity...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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mysql - using CASE in the WHERE clause

simplified version of my query SELECT * FROM logs WHERE pw='correct' AND CASE WHEN id<800 THEN success=1 ... //stackoverflow.com/questions/14614573/using-case-in-the-where-clause...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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objective c - Invalid Swift Support / The SwiftSupport folder is empty

Environment: Xcode 7 GM I uploaded iOS app successfully using Xcode without error. This app is written in ... /32559204/invalid-swift-support-the-swiftsupport-folder-is-empty...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - Multiple notifications to the same activity

I have an activity that is being opened from the notification bar, but when I do NotificationManager.notify( ... .com/questions/6066363/multiple-notifications-to-the-same-activity...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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