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objective c - How to get device make and model on iOS?

I was wondering if it's possible to determine what kind of iPhone (for example) the currentdevice is? I know it's ... stuff). So yeah, let me know, thank you! Question&Answers:os...

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

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What is a clean, Pythonic way to have multiple constructors in Python?

I can't find a definitive answer for this. As far as I know, you can't have multiple __init__ functions in ... num_holes What do you say? Is there another way? Question&Answers:os...

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

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120 views

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python - Installing specific package versions with pip

I am trying to install version 1.2.2 of MySQL_python, using a fresh virtualenv created with the --no-site- ... this package, or am I doing something wrong? Question&Answers:os...

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

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313 views

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Is it possible to move/rename files in Git and maintain their history?

I would like to rename/move a project subtree in Git moving it from /project/xyz to /components/xyz If I ... to move this such that the history is maintained? Question&Answers:os...

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

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numpy - Fitting empirical distribution to theoretical ones with Scipy (Python)?

INTRODUCTION: I have a list of more than 30,000 integer values ranging from 0 to 47, inclusive, e.g.[0,0 ... Numpy)? Could you present any examples? Thank you! Question&Answers:os...

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

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236 views

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android - accepting HTTPS connections with self-signed certificates

I'm trying to make HTTPS connections, using HttpClient lib, but the problem is that, since the certificate ... same certificatestore as the browser. Any ideas? Question&Answers:os...

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

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.net - Could you explain STA and MTA?

Can you explain STA and MTA in your own words? Also, what are apartment threads and do they pertain only to COM? If so, why? Question&Answers:os...

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

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How to get distinct values from an array of objects in JavaScript?

Assuming I have the following: var array = [ {"name":"Joe", "age":17}, {"name":"Bob", "age":17}, {" ... [i].age not in distinct) distinct.push(array[i].age) Question&Answers:os...

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

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java - Hadoop "Unable to load native-hadoop library for your platform" warning

I'm currently configuring hadoop on a server running CentOs. When I run start-dfs.sh or stop-dfs.sh, I get the ... ="/usr/local/hadoop/lib/native/" Any ideas? Question&Answers:os...

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

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PHP: How to send HTTP response code?

I have a PHP script that needs to make responses with HTTP response codes (status-codes), like HTTP 200 OK, or some 4XX or 5XX code. How can I do this in PHP? Question&Answers:os...

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

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221 views

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javascript - Why is my asynchronous function returning Promise { <pending> } instead of a value?

My code: let AuthUser = data => { return google.login(data.username, data.password).then(token => { return ... a variable. And only then preform some actions. Question&Answers:os...

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

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How do I use InputFilter to limit characters in an EditText in Android?

I want to restrict the chars to 0-9, a-z, A-Z and spacebar only. Setting inputtype I can limit to ... out the ways of Inputfilter looking through the docs. Question&Answers:os...

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

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346 views

1 answer

javascript - Chrome sendrequest error: TypeError: Converting circular structure to JSON

I've got the following... chrome.extension.sendRequest({ req: "getDocument", docu: pagedoc, name: 'name' }, ... Does anyone have any idea what is causing this? Question&Answers:os...

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

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swift - How to convert a JSON string to a dictionary?

I want to make one function in my swift project that converts String to Dictionary json format but I got one error ... options:0 error:&error]; return json; } Question&Answers:os...

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

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126 views

1 answer

javascript - Make cross-domain ajax JSONP request with jQuery

I would like to parse JSON array data with jquery ajax with the following code: <!DOCTYPE html PUBLIC "-// ... getting any output...anybody please help out... 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

r - Dictionary style replace multiple items

I have a large data.frame of character data that I want to convert based on what is commonly called a ... a dictionary of approximately 25 key/value pairs? Question&Answers:os...

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

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330 views

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jsf - @ViewScoped calls @PostConstruct on every postback request

This doesn't seem right. I was doing some cleanup of my code and I just noticed this. Every ajax request is ... . Only after a complete page reload by GET. Question&Answers:os...

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

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196 views

1 answer

php - How to use store and use session variables across pages?

When one page is accessed, I would like to start a session and store a session variable: <?php session_start(); ... } ?> This code does not work for me. Question&Answers:os...

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

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146 views

1 answer

php - mysqli bind_param for array of strings

I can not get this to work. I've spent way to many hours on it now. This works: $mysqli = new mysqli("localhost ... , which is what my MAMP is set to right now. Question&Answers:os...

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

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895 views

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prolog - Most general higher-order constraint describing a sequence of integers ordered with respect to a relation

In CLP(FD), we frequently need to state: "This is a list of integers and finite domain variables in ( ... respect to the usual binary CLP(FD) constraints. Question&Answers:os...

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

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203 views

1 answer

algorithm - How do I create a URL shortener?

Closed. This question needs to be more focused. It is not currently accepting answers. Question&Answers:os...

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

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117 views

1 answer

.net - Understanding events and event handlers in C#

I understand the purpose of events, especially within the context of creating user interfaces. I think this is the prototype ... , and how do I to create one? Question&Answers:os...

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

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537 views

1 answer

filesystems - How many files can I put in a directory?

Does it matter how many files I keep in a single directory? If so, how many files in a directory is ... the occasional listing of the directory through FTP/SSH. Question&Answers:os...

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

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683 views

1 answer

int - What is size_t in C?

I am getting confused with size_t in C. I know that it is returned by the sizeof operator. But what exactly is it? Is ... ++) Should I use int i; or size_t i;? Question&Answers:os...

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

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758 views

1 answer

http - Do I need Content-Type: application/octet-stream for file download?

The HTTP standard says: If this header [Content-Disposition: attachment] is used in a response with the application ... if I want browsers to download the file? Question&Answers:os...

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

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191 views

1 answer

Distributing git configuration with the code

In trying to standardise the platform for the developers, one of my needs would be to commit the .git/ ... questions, people answering those questions etc.). Question&Answers:os...

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

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207 views

1 answer

mysql - How to populate a table with a range of dates?

I need a MySQL table to hold ALL DATES between 2011-01-01 and 2011-12-31. I have created a table with one ... dates (instead of having to enter them by hand)? Question&Answers:os...

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

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204 views

1 answer

c++ - Reading a password from std::cin

I need to read a password from standard input and wanted std::cin not to echo the characters typed by the user... ... ways to do this in both Windows and *nix. Question&Answers:os...

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

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