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python - What is the difference between native int type and the numpy.int types?

Can you please help understand what are the main differences (if any) between the native int type and the numpy.int32 or numpy.int64 types? See Question&Answers more detail:os...

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

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.net - Best way to handle Integer overflow in C#?

Handling integer overflow is a common task, but what's the best way to handle it in C#? Is there some ... else Console.WriteLine("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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461 views

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xsd - Recursion in an XML schema?

I need to create an XML schema that validates a tree structure of an XML document. I don't know exactly the ... way to validate it? Recursion? 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 - Bufferedimage resize

I am trying to resized a bufferedimage. I am able to store it and show up on a jframe no problems but I can't ... ; g.dispose(); return dimg; } See Question&Answers more detail:os...

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

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HTML Table different number of columns in different rows

Like in Excel sheet can I have 2 columns in 1st row 1 long column in the 2nd row is this possible in html ? 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 - Is gzip format supported in Spark?

For a Big Data project, I'm planning to use spark, which has some nice features like in-memory-computations for ... when reading a .gz 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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unit testing - Why python mock patch doesn't work?

I have two files spike.py class T1(object): def foo(self, afd): return "foo" def get_foo(self): return ... ? These cases supposed to pass all. See Question&Answers more detail:os...

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

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Create SQLite database in android

I want to create a SQLite database in my app, which contains three tables, I will add data into tables and ... advices, please share with me 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# - Using Profiles in Automapper to map the same types with different logic

I am using AutoMapper in my ASP.NET MVC website to map my database objects to ViewModel objects and I am ... use profiles for this purpose? 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 - Putting a `Cookie` in a `CookieJar`

I'm using the new Python Requests library to make http requests. I obtain a cookie from the server as text. ... CookieJar with the cookie in 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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318 views

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python - How can I control what scalar form PyYAML uses for my data?

I've got an object with a short string attribute, and a long multi-line string attribute. I want to write ... affect both the order and style. See Question&Answers more detail:os...

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

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html - Html5 Full screen video

Is there any way to do this? I wan to play video in full screen. Without browser. setting width:100%; height:100%; keep browser visible yet See Question&Answers more detail:os...

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

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jquery - Dollar sign before self declaring anonymous function in JavaScript?

What is the difference between these two: $(function () { // do stuff }); AND (function () { // do stuff })(); 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++ - How can I "unuse" a namespace?

One of the vagaries of my development system (Codegear C++Builder) is that some of the auto-generated headers ... ... unusing namespace xyzzy; See Question&Answers more detail:os...

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

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HTML Textarea horizontal scroll

I would like to provide a horizontal scroll to a textarea in my HTML page. The scroll should appear without wrapping, ... IE 6+ and Mozilla 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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656 views

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date - Detect timezone abbreviation using JavaScript

I need a way to detect the timezone of a given date object. I do NOT want the offset, nor do I want the ... gives me the timezone's long name. See Question&Answers more detail:os...

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

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321 views

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Getting HTTP headers with Node.js

Is there a built in way to get the headers of a specific address via node.js? something like, var headers = ... :37 GMT. Content-Length: 32516. See Question&Answers more detail:os...

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

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266 views

1 answer

android - Get text from pressed button

How can I get the text from a pressed button? (Android) I can get the text from a button: String buttonText ... the text on the pressed button } See Question&Answers more detail:os...

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

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652 views

1 answer

performance - Why is looping through an Array so much faster than JavaScript's native `indexOf`?

Why is looping through an Array so much faster than JavaScript's native indexOf? Is there an error or something that ... http://jsben.ch/#/xm2BV 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# - LINQ, Unable to create a constant value of type XXX. Only primitive types or enumeration types are supported in this context

In my application I have Lecturers and they have list of Courses they can teach and when I'm deleting a course I ... . What am I doing wrong? See Question&Answers more detail:os...

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

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519 views

1 answer

r - Make Frequency Histogram for Factor Variables

I am very new to R, so I apologize for such a basic question. I spent an hour googling this issue, ... a simple frequency histogram by category. See Question&Answers more detail:os...

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

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749 views

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batch file - Set output of a command as a variable (with pipes)

Can you redirect the output of a command to a variable with pipes? I haven't tried much as I haven't been able ... and I can't find the answer. See Question&Answers more detail:os...

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

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661 views

1 answer

android - Fragment already added IllegalStateException

I use this method on my container Activity to show a BFrag public void showBFrag() { // Start a ... R.id.operation_fragments_frame, mBFrag);" See Question&Answers more detail:os...

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

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520 views

1 answer

version control - Mercurial: How to ignore changes to a tracked file

I have a file with database settings in my project which I have set to some defaults. The file is tracked by ... is something I can do 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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368 views

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android - Disable TabLayout

I'm using the new class provided by the design library : TabLayout. And I want in specific cases that the one I ... on tabs. Thank's 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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242 views

1 answer

Why emulator is very slow in Android Studio?

I just setup Android Studio on my PC, which is new launch to develop Android application. My problem is ... in Android development and java. See Question&Answers more detail:os...

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

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547 views

1 answer

python - AttributeError: module 'cv2.cv2' has no attribute 'createLBPHFaceRecognizer'

I am facing some attribute error while running face recognizing the code. My face detects code run perfectly.But ... version.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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1.0k views

1 answer

iis express - IISExpress 8 Cannot read configuration file redirection.config

I'm running Windows Server 2008 R2 (x64) with IISExpress8 and when navigating to c:Program Files (x86)IIS Express> ... I can't find anything... See Question&Answers more detail:os...

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

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