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python - How do I convert a pandas Series or index to a Numpy array?

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

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file - How to create a temporary directory/folder in Java?

Is there a standard and reliable way of creating a temporary directory inside a Java application? There's an ... the usual libraries (Apache Commons etc.) ? Question&Answers:os...

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

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design patterns - Abstract class vs Interface in Java

I was asked a question, I wanted to get my answer reviewed here. Q: In which scenario it is ... better at providing common functionality for unrelated classes. Question&Answers:os...

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

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vb.net - How can I run code in a background thread and still access the UI?

I made a file search program in visual studio on windows 10 using .net lang, My problem starts from form1 ... loop crashes im using framework 4.6.2 developer Question&Answers:os...

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

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html - Make background color extend into overflow area

If the total content height of the parent is 10,000px but the overflow: auto element is rendered with a height of 700px ... order: 3;.</footer> </body> </html> Question&Answers:os...

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

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What are the rules of automatic stdout buffer flushing in C?

I'm just curious which conditions should be satisfied to flush stdout buffer automatically. First of all I was ... are the others implicit conditions for this? Question&Answers:os...

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

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math - Strange floating-point behaviour in a Java program

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

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java - Individual and not continuous JTable's cell selection

Is there any clean way to allow a user to select multiple non continuos cells of a JTable? Or I'm forced to ... to select cell 0,0 and 3,3 for example. Question&Answers:os...

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

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css - How to resize the ClipPath area of SVG?

I have such code: .img-container { width: 300px; height: 300px; background-color: lightgreen; overflow: hidden; } . ... s.cdpn.io/3341051/team.jpg"/> </div> Question&Answers:os...

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

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dart - No data from sever API's is not showing on Listview using flutter

I'm fetching data from server APIs, The data is being successfully fetched from the server but the issue is ... listview, but dynamic data is not being shown. Question&Answers:os...

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

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multithreading - Java: notify() vs. notifyAll() all over again

If one Googles for "difference between notify() and notifyAll()" then a lot of explanations will pop up ( ... and notifyAll() then? Am I missing something? Question&Answers:os...

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

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Using SSH keys inside docker container

I have an app that executes various fun stuff with Git (like running git clone & git push) and I'm trying to ... "] app.js runs the git commands like git pull Question&Answers:os...

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

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android - How do I align views at the bottom of the screen?

Here's my layout code; <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http: ... "> </EditText> </RelativeLayout> </RelativeLayout> Question&Answers:os...

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

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objective c - UIRefreshControl without UITableViewController

Just curious, as it doesn't immediately seem possible, but is there a sneaky way to leverage ... rather than using a UITableViewController outright. Question&Answers:os...

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

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c++ faq - When do I use a dot, arrow, or double colon to refer to members of a class in C++?

Coming from other C-derived languages (like Java or C#) to C++, it is at first very confusing that C++ has three ... read by those who came up with the idea.)_ Question&Answers:os...

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

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css - How to target only IE (any version) within a stylesheet?

I have an inherited project and there are places where it's an utter mess. This is one of them. I ... solution for Firefox, editing question to reflect this. Question&Answers:os...

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

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casting - How do I convert a string to a number in PHP?

I want to convert these types of values, '3', '2.34', '0.234343', etc. to a number. In JavaScript we can use Number( ... '2' 2 '2.34' 2.34 '0.3454545' 0.3454545 Question&Answers:os...

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

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android - Full Screen Theme for AppCompat

I would like to know how can I apply full screen theme ( no title bar + no actionbar ) to an ... that hiding the actionbar with getSupportActionBar().hide(); Question&Answers:os...

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

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python - Iterate over model instance field names and values in template

I'm trying to create a basic template to display the selected instance's field values, along with their names. ... to do it often for this particular project. Question&Answers:os...

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

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What's the best way to determine the location of the current PowerShell script?

Whenever I need to reference a common module or script, I like to use paths relative to the current ... get the current PowerShell script file's location? Question&Answers:os...

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

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python - What rules does Pandas use to generate a view vs a copy?

I'm confused about the rules Pandas uses when deciding that a selection from a dataframe is a copy of the ... in a dataframe that satisfy a particular query. Question&Answers:os...

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

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linux - Automatically enter SSH password with script

I need to create a script that automatically inputs a password to OpenSSH ssh client. Let's say I need to ... How can I get this functionality into a script? Question&Answers:os...

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

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How to check if a string contains an element from a list in Python

I have something like this: extensionsToCheck = ['.pdf', '.doc', '.xls'] for extension in extensionsToCheck: if ... for both turns out to be the same though. Question&Answers:os...

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

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c# - Detect Windows version in .NET

How can I detect the Windows OS versions in .NET? What code can I use? Question&Answers:os...

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

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.net - How do you configure an OpenFileDialog to select folders?

In VS .NET, when you are selecting a folder for a project, a dialog that looks like an OpenFileDialog or ... MS probably rolled a custom dialog for this task. Question&Answers:os...

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

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c# - how to dynamically generate HTML code using .NET's WebBrowser or mshtml.HTMLDocument?

Most of the answers I have read concerning this subject point to either the System.Windows.Forms.WebBrowser class or ... it. That's horrible solution, though. Question&Answers:os...

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

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rust - How is there a conflicting implementation of `From` when using a generic type?

I'm trying to implement an error enum which can contain an error associated with one of our traits like ... Am I missing something fundamental to generics here? Question&Answers:os...

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

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javascript - Async function not returning value, but console.log() does: how to do?

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

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