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android - How to wrap the height of a ViewPager to the height of its current Fragment?

I made a ScrollView containing a ViewPager, but the ViewPager does not grow in height. When the content inside ... ="true" android:layout_width="30dp" android:layout_height="32dp"...

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

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python - How can I efficiently process a numpy array in blocks similar to Matlab's blkproc (blockproc) function

I'm looking for a good approach for efficiently dividing an image into small regions, processing each region separately, ... np.all(R==Rprime) 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 - How to add minutes to current time in swift

I am new to Swift and am trying a scheduler. I have the start time selected and I need to add 5 minutes (or ... section 2 = start time + 10* See Question&Answers more detail:os...

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

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427 views

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Chrome not rendering SVG referenced via <img> element

I am having issues with google chrome not rendering svg with an img element. This happens when refreshing the ... will render in original tab. 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 use of the ArraySegment<T> class?

I just came across the ArraySegment<byte> type while subclassing the MessageEncoder class. I now understand that it ... explain with an example? See Question&Answers more detail:os...

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

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Is Java Regex Thread Safe?

I have a function that uses Pattern#compile and a Matcher to search a list of strings for a pattern. This ... regex in java thread safe? 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 - No AVPlayer Delegate? How to track when song finished playing? Objective C iPhone development

I've looked around but I can't find a delegate protocol for the AVPlayer class. What gives? I'm using ... after the [audioPlayer play] action. 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 fix 'TypeError: an integer is required (got type bytes)' error when trying to run pyspark after installing spark 2.4.4

I've installed OpenJDK 13.0.1 and python 3.8 and spark 2.4.4. Instructions to test the install is to ... integer is required (got type bytes) 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 - django template system, calling a function inside a model

I want to call a function from my model at a template such as: class ChannelStatus(models.Model): ......... ... do if it has parameter(s) Cheers See Question&Answers more detail:os...

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

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css - How does ?#iefix solve web fonts loading in IE6-IE8?

Lots of articles in the web like this : http://www.fontspring.com/blog/fixing-ie9-font-face-problems suggest ... to solve the problem. 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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java - How to set order of repositories in Maven settings.xml

I have 3 repositories in my settings.xml because I need artifacts from all of them. Whenever a dependency ... </activeProfile> </activeProfiles> 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 - How can I sort elements by numerical value of data attribute?

I have multiple elements with the attribute: data-percentage, is there a way of sorting the elements into ascending order ... ="62"> </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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iOS 8 Rotation Methods Deprecation - Backwards Compatibility

In iOS 8, the methods for interface rotation are deprecated. This includes: willRotateToInterfaceOrientation:duration ... now interface oriented 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 - How to create managedObjectContext using Swift 3 in Xcode 8?

Facing issue "Value of type 'AppDelegate' has no member 'managedObjectContext' In new Xcode 8 (using Swift 3, iOS 10) ... do it using Swift 3 ? See Question&Answers more detail:os...

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

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Run PowerShell function from Python script

I have a need to run a PowerShell function from a Python script. Both the .ps1 and the .py files ... parameters to the 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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386 views

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c# - What is the correct way to read a serial port using .NET framework?

I've read a lot of questions here about how to read data from serial ports using the .NET SerialPort class ... approach to handle those cases. See Question&Answers more detail:os...

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

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sorting and paging with gridview asp.net

I'm trying to get a gridview to sort and page manually with no success. The problem is that when a user ... help would be appreciated. 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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609 views

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Using the C# Dispatcher in WPF Applications

I'm building a chat client and am not 100% sure on how to use the dispatcher. So the question is I ... .Invoke? I appreciate any 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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323 views

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JQuery or JavaScript: How determine if shift key being pressed while clicking anchor tag hyperlink?

I have an anchor tag that calls a JavaScript function. With or without JQuery how do I determine if the shift ... /c keypress not fired above } See Question&Answers more detail:os...

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

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firebase authentication - Why do I get com.google.android.gms.common.api.ApiException: 10:?

private void handleSignInResult(Task<GoogleSignInAccount> completedTask) { try { GoogleSignInAccount account = completedTask.getResult ... ; } } See Question&Answers more detail:os...

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

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202 views

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Conditional with statement in Python

Is there a way to begin a block of code with a with statement, but conditionally? Something like: if ... of course give indentation errors.. See Question&Answers more detail:os...

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

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381 views

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c# - asp.net-mvc: razor '@' symbol in js file

I have a .csHtml-razor file with a javascript function that uses the @Url.Content C# function inside for the ajax ... view with "@" symbol? See Question&Answers more detail:os...

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

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file download link in rails

I would like to give visitors the option to download some pdf. I have tried: <%= link_to "abc", "/ ... folder. Any help would be appreciated. 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 delete N numbers of documents in mongodb

In my collections, documents contains key like status and timestamp. When I want to find latest ten documents then ... and sorts on timestamp? 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 replace NaN value with zero in a huge data frame?

I tried to replace NaN values with zeros using the following script: rapply( data123, f=function(x) ifelse(is.nan ... the NaN value to zero? See Question&Answers more detail:os...

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

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1.8k views

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how to send multiple data with $.ajax() jquery

i am trying to send multiple data using j query $.ajax method to my php script but i can pass only single data when ... > <span id="msg"></span> See Question&Answers more detail:os...

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

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852 views

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unicode - Why can't I use u000D and u000A as CR and LF in Java?

Why can't I use u000D and u000A as CR and LF in Java? It's giving an error when I compile the ... - Illegal escape character in string literal. See Question&Answers more detail:os...

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

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246 views

1 answer

How to design a multi tenant mysql database

Let us say I need to design a database which will host data for multiple companies. Now for security and ... this with the mysql database. See Question&Answers more detail:os...

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

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