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javascript - How to Determine if ::before is applied to an element?

I have this simple html code. I need to be able to determine if the ::before is being applied to .icon-player ... .length); What am I missing? 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 - What's the point of .switchIfEmpty() getting evaluated eagerly?

Even if my stream is not empty, the fallback stream would always be created? What's the intent behind doing this ... immediately) 5 (after 5s) See Question&Answers more detail:os...

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

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Display image from database in ASP.net with C#

I know this kind of question has been asked many times. Yet I don't succeed in displaying an image from ... itself within the aspx 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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How to get query params for internal page link in JQuery Mobile

I'm looking for a clean way to do quite a trivial thing in JQuery Mobile. When linking to an internal page ... http://jsfiddle.net/wpgs06r1/6/ See Question&Answers more detail:os...

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

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sparql - get latitude and longitude of a place dbpedia

I want to get the latitude and longitude of a place whose name I already know by PREFIX geo: <http://www.w3 ... name of the place might vary? See Question&Answers more detail:os...

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

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Removing NTLM from Eclipse's

I'm having an issue trying to connect through a proxy from Eclipse 3.6. The proxy supports both NTLM and ... of NTLM? Best regards, Manuel. See Question&Answers more detail:os...

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

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powershell - Why does the `using` scope work locally with Start-Job, but not Invoke-Command?

Why doesn't PowerShell allow the use of the using scope when using Invoke-Command locally? According to the ... with a local Invoke-Command? 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 - formatting text in jdialog box

I have a JOptionPane: JOptionPane.showMessageDialog(null, text); The text is a sting: String text = "Hello ... right way? Any suggestions? See Question&Answers more detail:os...

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

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javascript - Google Apps Script toast messages don't appear for anonymous editors

I have a call to a toast message within an installable onEdit trigger function that displays a message in the ... gets run on multiple files. 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 - too many values to unpack calling cv2.findContours

I am a python beginner . I was trying to run this code : #applying closing function kernel = cv2. ... wrong with this code ? 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# - Best ways to split a string with matching curly braces

I'm working in C# right now and I'm using JSON.Net to parse json strings to well, C# objects. Part of ... there some better method 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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ios - Core Data in Swift: Only saving last object in a for loop

I'm trying to save multiple objects in Core Data to the IPodSongs entity in a for loop, namely the title of ... newSong) context.save(nil) } } 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 - Aggregate and reshape from long to wide

I have asked this question earlier and received a reply which was not in accordance with my wish. At the time I used ... .names = c(NA, -3L)) 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 to add a index by set of data when using rbindlist?

I have several different csv files with the same structure. I read them into R using fread, and then union them into ... .csv file); and so 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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c# - Only primitive types or enumeration types are supported in this context

I've seen lots of questions on this topic, but I haven't been able to sort through any of them that actually solve ... .Activity> .......... See Question&Answers more detail:os...

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

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295 views

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java - @PathVariable in SpringBoot with slashes in URL

I have to get params from URL using @PathValiable in SpringBoot application. These params often have slashes. I don ... to handle such issue. See Question&Answers more detail:os...

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

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367 views

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c++ - Open QFile for appending

How can I open a QFile for appending, i.e. the equivalent of FILE *f = fopen("myfile.txt", "a"); See Question&Answers more detail:os...

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

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javascript - Why is setTimeout(fn, 0) sometimes useful?

I've recently run into a rather nasty bug, wherein the code was loading a <select> dynamically via JavaScript. ... "later" using setTimeout()? See Question&Answers more detail:os...

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

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314 views

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javascript - Specify parent divs opacity but make it not affect children HTML elements

I have a paragraph element inside a div. The div has an opacity of 0.3 & the paragraph has an opacity of 1. When I ... : 1;">abcde</p> </div> See Question&Answers more detail:os...

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

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172 views

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php - calling function inside preg_replace thats inside a function

I have some code with the a structure similar to this function bbcode($Text) { //$Text = preg_replace("/[ ... of the bbcode function? 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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287 views

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java - Copy POJO content from one bean to another

I have few Pojos in different packages, each POJO contains set of the another pojo from the same package. I need ... " way to copy tese beans. See Question&Answers more detail:os...

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

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1.0k views

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core location - Why the CLLocationManager delegate is not getting called in iPhone SDK 4.0?

This is the code that I have in my AppDelegate Class - (BOOL)application:(UIApplication *)application ... is the reason ? See Question&Answers more detail:os...

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

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276 views

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ASP.NET MVC - Session is null

I have an MVC3 application on .net4 that its session working in the dev Environment, but not in the production. ... the web.config is the same. See Question&Answers more detail:os...

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

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278 views

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Why does pip need an exclamation point to use in iPython?

Just a quick example, typing pip list doesn't work but !pip list does. Is there some syntax regarding the ... modules in the ipython shell? See Question&Answers more detail:os...

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

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164 views

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python - How to return all list elements of a given length?

I'm trying to return words that have a specific length. This is my code so far. words is a list and ... suggestions would be of great 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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403 views

1 answer

Sanitize table/column name in Dynamic SQL in .NET? (Prevent SQL injection attacks)

I am generating some Dynamic SQL and would like to ensure that my code is safe from SQL injection. For sake of ... 't really help me 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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360 views

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java - NetworkSecurityConfig: No Network Security Config specified -- Android 7.0 error?

I have some problem for android 7.0.0. I use volley library for my application, and it works well except for ... How can i solve this problem ? See Question&Answers more detail:os...

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

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209 views

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Android Facebook authorization - can not log in when official Facebook app is installed

I need to log in to Facebook and get same fields like email, etc. I use the Facebook SDK, and I set my ... ("Action Canceled"); } } } See Question&Answers more detail:os...

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

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