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r - How `poly()` generates orthogonal polynomials? How to understand the "coefs" returned?

My understanding of orthogonal polynomials is that they take the form y(x) = a1 + a2(x - c1) + a3 ... attributes(orth_poly)$coefs ? Many 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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android - Pass Parameter with Volley POST

I was able to call an HTTP endpoint using Postman and these parameters: { "name":"Val", "subject":"Test" } However ... Subject { get; set; } } See Question&Answers more detail:os...

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

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assembly - Converting Int to Float or Float to Int using Bitwise operations (software floating point)

I was wondering if you could help explain the process on converting an integer to float, or a float to an ... when converting int to float? See Question&Answers more detail:os...

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

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windows - How to detect ESCape keypress in Python?

I am running a process in a command window (Windows 7, Python 3.1) where I would like the user to abort ... wrong I would be most grateful. 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 - Redeclaration of global variable vs local variable

When I compile the code below #include<stdio.h> int main() { int a; int a = 10; printf("a is %d ",a) ... that for a local variable is an error? 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 - How to feed caffe multi label data in HDF5 format?

I want to use caffe with a vector label, not integer. I have checked some answers, and it seems HDF5 is a ... how HDF5 maps to caffe blobs? See Question&Answers more detail:os...

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

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Remove .html and .php extensions with .htaccess

How do I remove the file type from my webpages without creating a new directory and naming the file index.php. I ... it can be done in .htaccess See Question&Answers more detail:os...

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

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Android: Unicode/Charset problems when sending an SMS (sendTextMessage)

Basically I have a working application that sends an SMS after receiving an SMS. Everything works fine, except when ... a working solution... See Question&Answers more detail:os...

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

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JSF View scope in Spring

Is there any scope like JSF @ViewScoped in Spring 3.0? I have an application using JSF+Spring where backing beans ... map> </property> </bean> See Question&Answers more detail:os...

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

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FTP Over SSH (SFTP) In delphi 2010

I'm writing a simple Delphi App to upload a few files to a SFTP Server. i thought i would be able to ... solutions. Thanks for the help, Kyle See Question&Answers more detail:os...

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

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iphone - How can you apply distortions to a UIImage using OpenGL ES?

Is there any way to create effects like dents, pinching, twisting, squashing, etc. on a UIImage using OpenGL ES ... on how 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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Type of compiled regex object in python

What is the type of the compiled regular expression in python? In particular, I want to evaluate isinstance(re. ... ): ignored = False break 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 - CSS3 calc(100%-88px) not working in Chrome

I noticed that my usage of the CSS3 calc() function as the unit for width is not working in the latest ... style rule in chrome dev tools. 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# - char + char = int? Why?

Why is adding two char in C# results to an int type? For example, when I do this: var pr = 'R' ... string that concatenates the chars, not int? 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 add google-services.json in Android?

The error is: File google-services.json is missing from module root folder. The Google Quickstart Plugin cannot function without 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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Start and stop a timer PHP

I need some information regarding starting and stopping a timer in PHP. I need to measure the elapsed time from the ... . How can I 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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mysql - SELECT INTO and "Undeclared variable" error

When I try to execute following query: SELECT id_subscriber INTO newsletter_to_send FROM subscribers I get an error: ... with that query ? 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 to check if file exists in a Windows Store App?

Is there any other way of checking whether a file exists in a Windows Store app? try { var file = await ... { //find out through exception } See Question&Answers more detail:os...

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

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xml - PHP exec() not returning error message in output

I am trying to get certain output for svn command in XML format. Output is ok when I type valid parameters. ... output? Thank you 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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TypeScript error TS1005: ';' expected (II)

First of all, I've already seen the other posts about error TS1005. Same error code, but totally different. A ... 3.0 Maybe somebody can 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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ios - Replacement for "purpose" property of CLLocationManager

In iOS 6, the purpose property of CLLocationManager, to describe the reason for using location services (@property( ... is proposed by Apple? See Question&Answers more detail:os...

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

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asp.net - Which control caused the postback?

I have two buttons: <asp:Button ID="Button1" runat="server" Text="Button" /> <asp:Button ID="Button2" ... controls that can cause this postback? 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 - HTML prevent space bar from scrolling page

I'm using the code: window.onkeydown = function(e) { return !(e.keyCode == 32); }; which ... retain the spacebar functionality while typing? 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 - With Apps option removed from latest iTunes 12.7.... , how to install adhoc IPA?

Now that after latest update from Apple for iTunes, Apps option is removed from Library in iTunes. See ... TestFlight beta testing only? 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 convert a string to a Unix timestamp in javascript?

I want to convert a string "2013-09-05 15:34:00" into a Unix timestamp in javascript. Can any one tell how to do that? 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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syntax - Why PHP variables start with a $ sign symbol?

Has anybody ever thought about this question. Why we must write $var_name = value; and not var_name = value;? Yes I ... is it a $ sign 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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graphics - How to test if a line segment intersects an axis-aligned rectange in 2D?

How to test if a line segment intersects an axis-aligned rectange in 2D? The segment is defined with its two ... -left and bottom-right points. See Question&Answers more detail:os...

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

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node.js - Print raw html strings on EJS

I'm using express.js with EJS templates and i'm trying to do something like this: <%= "<a href='#'>Test< ... can i print "html safe" strings? See Question&Answers more detail:os...

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

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