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c# - LINQ: Select where object does not contain items from list

I'm struggling with LINQ syntax here...thought I'd toss it out here. I cant find exactly what I'm looking for ... don't know how to write 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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android logcat logs chatty module line expire message

I am getting lots of this kind of logcat messages related to my application. 11-19 19:04:23.872 3327 ... actual application logcat logs here? See Question&Answers more detail:os...

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

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377 views

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php - getting the value of an extra pivot table column laravel

I have a phone_models, phone_problems, and a phone_model_phone_problem pivot table. The pivot table has an extra column ' ... 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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recursion - Implement recursive lambda function using Java 8

Java 8 introduced lambda functions and I want to implement something like factorial: IntToDoubleFunction fact = x -> x ... : It is called fact. See Question&Answers more detail:os...

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

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python - tf.nn.conv2d vs tf.layers.conv2d

Is there any advantage in using tf.nn.* over tf.layers.*? Most of the examples in the doc use tf.nn.conv2d, ... is not clear why they do so. See Question&Answers more detail:os...

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

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iPhone UIButton with UISwitch functionality

Is there either a way to implement UISwitch with custom graphics for the switch-states? Or as an ... UIButton with UISwitch functionality? 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++ - What is the purpose of __cxa_pure_virtual?

Whilst compiling with avr-gcc I have encountered linker errors such as the following: undefined reference to ` ... as an infinite loop? See Question&Answers more detail:os...

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

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shell - Trim leading and trailing spaces from a string in awk

I'm trying to remove leading and trailing space in 2nd column of the below input.txt: Name, Order?? Trim ... trailing spaces are not removed. See Question&Answers more detail:os...

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

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r - How can I document data sets with roxygen?

Is it possible to include .R files in the data directory of my package in the roxygen process? I ... files and perform some transformations. See Question&Answers more detail:os...

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

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objective c blocks - How to cancel NSBlockOperation

I have a long running loop I want to run in the background with an NSOperation. I'd like to use a block: ... no way to cancel block operations? See Question&Answers more detail:os...

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

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ruby on rails - Why not use shared ActiveRecord connections for Rspec + Selenium?

It seems the most commonly accepted way to deal with Selenium and tests is to avoid using transactional fixtures and ... this shouldn't be used? 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# - Model always null on XML POST

I'm currently working on an integration between systems and I've decided to use WebApi for it, but I'm running ... . Does anyone have a clue? See Question&Answers more detail:os...

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

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735 views

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c++ - Is destructor called if SIGINT or SIGSTP issued?

I have a class with a user-defined destructor. If the class was instantiated initially, and then SIGINT is issued (using ... (CTRL + Z in unix)? See Question&Answers more detail:os...

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

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objective c - Unable to set frame correctly before viewDidAppear

I was wondering if anyone knows why when you set the frame of a subview in viewDidLoad and ... frame = table2LocationWithHeader; } 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 - Access ordered images and video in same Cursor

I'm using the android.content.CursorLoader class to create two Cursor objects to access media stored on ... = cursorLoader.loadInBackground(); 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 - onClick method not working properly after NestedScrollView scrolled

I used NestedScrollView with CoordinatorLayout to enable scroll animation for Toolbar (by app:layout_scrollFlags="scroll|enterAlways ... ); } } 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# - Make foregroundcolor black or white depending on background

Something like calculating the average value of rgb components and then decide whether to use black or white? Do I have ... see? I'm using C# See Question&Answers more detail:os...

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

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571 views

1 answer

asp.net - Web API Queryable - how to apply AutoMapper?

I've got a simple WebApi method like this decorated with the OData queryable attribute. [Queryable] public virtual ... >().GetAll(); } See Question&Answers more detail:os...

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

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ios - Get the current view controller from the app delegate

i am new to ios. I need to know the current view controller from app delegate.. i have no idea about this ... (modal is possible) need help. See Question&Answers more detail:os...

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

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java - How to map requests to HTML file in Spring MVC?

Basic configuration files looks unintuitive. If I create simple hello world example, and then rename home.jsp to home. ... return "home"; } } See Question&Answers more detail:os...

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

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368 views

1 answer

Android WSDL/SOAP service client

I have some web services that uses WSDL/SOAP for communication. Specifically, I am using PHP and Nusoap to ... Mobile and Visual Studio. 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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347 views

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javascript - How to get direct url for youtube videos

All the current tutorials on making your own youtube video downloader are outdated. The whole token insertion from ... D) Thanks in advance! See Question&Answers more detail:os...

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

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836 views

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Date.getDay() javascript returns wrong day

Hi I'm new in javascript I have such javascript code alert(DATE.value); var d = new Date(DATE.value); var ... ; it is returns me correct info. See Question&Answers more detail:os...

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

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268 views

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python - Replace string within file contents

How can I open a file, Stud.txt, and then replace any occurences of "A" with "Orange"? 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 - Can I click a button programmatically for a predefined intent?

I need the button click of the intent ACTION_SEND. Here there is no need of displaying UI. Can I get the ... the MMS-SMSProvider in Android? See Question&Answers more detail:os...

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

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473 views

1 answer

reflection - Determine if a Class implements a interface in Java

I have a Class object. I want to determine if the type that the Class object represents implements a specific interface. ... (), clazz); } } See Question&Answers more detail:os...

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

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731 views

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python - Could not install packages due to a "Environment error :[error 13]: permission denied : 'usr/local/bin/f2py'"

I am trying to install numpy on macOS X but after executing the command pip install numpy I am getting the error: ... /f2py How do I fix it? See Question&Answers more detail:os...

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

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810 views

1 answer

tsql - How to calculate difference in hours (decimal) between two dates in SQL Server?

I have to calculate the difference in hours (decimal type) between two dates in SQL Server 2008. I couldn't find ... it should return me 1.5. See Question&Answers more detail:os...

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

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