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ios - Move TextField up when the keyboard has appeared in SwiftUI

I have seven TextField inside my main ContentView. When user open keyboard some of the TextField are hidden under the ... Text("TextField7")) } } } Output: Question&Answers:os...

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

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170 views

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javascript - How to clone a Date object?

Assigning a Date variable to another one will copy the reference to the same instance. This means that changing ... I actually clone or copy a Date instance? Question&Answers:os...

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

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123 views

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How are echo and print different in PHP?

This question already has answers here: Question&Answers:os...

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

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How do I build the Android SDK with hidden and internal APIs available?

I want to rebuild the Android SDK (or rather only the android.jar) to include hidden and internal APIs. I could ... it I would like to use the modified SDK. Question&Answers:os...

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

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124 views

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.net - Wrap a delegate in an IEqualityComparer

Several Linq.Enumerable functions take an IEqualityComparer<T>. Is there a convenient wrapper class that adapts a ... the values according to different rules). Question&Answers:os...

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

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66 views

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java - Ignore duplicates when producing map using streams

Map<String, String> phoneBook = people.stream() .collect(toMap(Person::getName, Person::getAddress)); I ... should continue by ignoring that duplicate key. Question&Answers:os...

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

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How to tell PowerShell to wait for each command to end before starting the next?

I have a PowerShell 1.0 script to just open a bunch of applications. The first is a virtual machine ... superdooper &"C:ApplicationsNetBeans 6.5in etbeans.exe" Question&Answers:os...

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

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453 views

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apache spark - How to read multiple text files into a single RDD?

I want to read a bunch of text files from a hdfs location and perform mapping on it in an iteration using spark. ... file and process them as a single RDD. How? Question&Answers:os...

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

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android - Showing Thumbnail for link in WhatsApp || og:image meta-tag doesn't work

Tried to follow this question : Provide an image for WhatsApp link sharing I have created a simple HTML webpage with ... → This is the URL of the Sample Webpage Question&Answers:os...

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

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ios - When to use dequeueReusableCellWithIdentifier vs dequeueReusableCellWithIdentifier : forIndexPath

There are two overloads for dequeueReusableCellWithIdentifier and I'm trying to determine when should I use one vs ... not sure how to interpret that though? Question&Answers:os...

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

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180 views

1 answer

How to remove responsive features in Twitter Bootstrap 3?

Since Bootstrap 3 there's no longer seperate files for responsive and standard stylesheets. So how can I easily remove the responsive features? Question&Answers:os...

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

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facebook - Send private messages to friends

I need to get via Facebook connect user's info and send a private message to all of his friends. Is it possible? Question&Answers:os...

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

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232 views

1 answer

utility - Implement touch using Python?

touch is a Unix utility that sets the modification and access times of files to the current time of day. If the ... not that great, but point to os.utime.) Question&Answers:os...

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

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657 views

1 answer

python - Django DB Settings 'Improperly Configured' Error

Django (1.5) is workin' fine for me, but when I fire up the Python interpreter (Python 3) to check some ... default. } } ...how is this improperly configured? Question&Answers:os...

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

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php - How to use CURL via a proxy?

I am looking to set curl to use a proxy server. The url is provided by an html form, which has not ... ($ch); curl_close($ch); echo $curl_scraped_page; ?> Question&Answers:os...

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

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280 views

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javascript - Add st, nd, rd and th (ordinal) suffix to a number

I would like to dynamically generate a string of text based on a current day. So, for example, if it is day 1 then I would ... + "rd" } else if (day) { } } } Question&Answers:os...

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

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509 views

1 answer

jar - How can I write a Java application that can update itself at runtime?

I would like to implement a java application (server application) that can download a new version (.jar file) from a ... Or is there a better way to do this? Question&Answers:os...

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

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361 views

1 answer

How to draw an overlay on a SurfaceView used by Camera on Android?

I have a simple program that draws the preview of the Camera into a SurfaceView. What I'm trying to do is using the ... 2, canvas.getHeight() / 2, p); } } Question&Answers:os...

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

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249 views

1 answer

jquery - ASP.NET MVC Ajax Error handling

How do I handle exceptions thrown in a controller when jquery ajax calls an action? For example, I would like a ... , Do I need to write a custom actionfilter? Question&Answers:os...

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

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151 views

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oop - Difference between object and instance

I know this sort of question has been asked before, but I still feel that the answer is too ambiguous for ... help people that are looking for homework help. Question&Answers:os...

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

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195 views

1 answer

ios - Proper use of beginBackgroundTaskWithExpirationHandler

I'm a bit confused about how and when to use beginBackgroundTaskWithExpirationHandler. Apple shows in their examples ... to be on the safe side? Question&Answers:os...

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

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1.1k views

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logging - Java Garbage Collection Log messages

I have configured java to dump garbage collection information into the logs (verbose GC). I am unsure of what ... ] 720708K->607895K(1097728K), 0.0682690 secs] Question&Answers:os...

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

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364 views

1 answer

javascript - What is the most efficient way to concatenate N arrays?

What is the most efficient way to concatenate N arrays of objects in JavaScript? The arrays are mutable, and the ... be stored in one of the input arrays. Question&Answers:os...

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

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147 views

1 answer

AngularJS disable partial caching on dev machine

I have problem with caching partials in AngularJS. In my HTML page I have: <body> <div ng-view></div> ... browser still load old data. Is there any workaround? Question&Answers:os...

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

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109 views

1 answer

Android AsyncTask for long running operations

Quoting the documentation for AsyncTask found here, it says: AsyncTasks should ideally be used for short operations ... by having a long running operation here? Question&Answers:os...

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

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124 views

1 answer

Branch descriptions in Git

Is there a way in Git to have a 'description' for branches? While I try to use descriptive names, working for ... the purpose of the branch) would be nice. Question&Answers:os...

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

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312 views

1 answer

inheritance - Can an AngularJS controller inherit from another controller in the same module?

Within a module, a controller can inherit properties from an outside controller: var app = angular.module(' ... does not find the reference to ParentCtrl. Question&Answers:os...

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

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102 views

1 answer

php - What's the best way to get the last element of an array without deleting it?

Ok, I know all about array_pop(), but that deletes the last element. What's the best way to get the last element ... Notice: Undefined offset: 2 in - on line 4 Question&Answers:os...

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

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