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python - django MultiValueDictKeyError error, how do I deal with it

I'm trying to save a object to my database, but it's throwing a MultiValueDictKeyError error. The problems ... line is is_private = request.POST['is_private'] Question&Answers:os...

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

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c# - Get URL parameters from a string in .NET

I've got a string in .NET which is actually a URL. I want an easy way to get the value from a particular ... this short of creating a regex of some kind, etc? Question&Answers:os...

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

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java - How to avoid "StaleElementReferenceException" in Selenium?

I'm implementing a lot of Selenium tests using Java. Sometimes, my tests fail due to a ... approaches to making the tests more stable? Question&Answers:os...

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

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javascript - Browser detection versus feature detection

I am going to play a devil's advocate for a moment. I have been always wondering why browser detection (as ... wonder whether it is another trendy thing to say. Question&Answers:os...

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

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90 views

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javascript - What does jQuery.fn mean?

What does the fn here mean? jQuery.fn.jquery Question&Answers:os...

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

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c++ - enum to string in modern C++11 / C++14 / C++17 and future C++20

Contrary to all other similar questions, this question is about using the new C++ features. 2008 c Is ... on variadic template class and constexpr functions... Question&Answers:os...

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

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java - Fast Bitmap Blur For Android SDK

Currently in an Android application that I'm developing I'm looping through the pixels of an image to blur ... faster way other than looping through the pixels? Question&Answers:os...

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

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367 views

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http - What requests do browsers' "F5" and "Ctrl + F5" refreshes generate?

Is there a standard for what actions F5 and Ctrl+F5 trigger in web browsers? I once did experiment in ... differ in how they implement these refresh features? Question&Answers:os...

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

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android - Is it possible to declare a variable in Gradle usable in Java?

Is it possible to declare a variable in Gradle usable in Java ? Basically I would like to declare some vars in the ... there a way to do something like that ? Question&Answers:os...

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

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Split long commands in multiple lines through Windows batch file

How can I split long commands over multiple lines in a batch file? Question&Answers:os...

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

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How do you dynamically add elements to a ListView on Android?

Can anyone explain or suggest a tutorial to dynamically create a ListView in android? Here are my requirements: I ... couldn't find any that answer my question. Question&Answers:os...

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

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javascript - How to pass parameters using ui-sref in ui-router to controller

I need to pass and recieve two parameters to the state I want to transit to using ui-sref of ui-router. ... .html', controller: 'SomeController' } } }); Question&Answers:os...

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

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308 views

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Stripping everything but alphanumeric chars from a string in Python

What is the best way to strip all non alphanumeric characters from a string, using Python? The solutions presented ... ), but also quotes, brackets, etc. Question&Answers:os...

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

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c# - Timeout expired. The timeout period elapsed prior to completion of the operation or the server is not responding. The statement has been terminated

I have many users on my web site (20000-60000 per day), which is a download site for mobile files. I have ... . There are over 482,751 records in that table. Question&Answers:os...

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

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227 views

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AngularJs: How to check for changes in file input fields?

I am new to angular. I am trying to read the uploaded file path from HTML 'file' field whenever a 'change ... calling. Firebug also doesn't show any error. Question&Answers:os...

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

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1.2k views

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authentication - Set cookies for cross origin requests

How to share cookies cross origin? More specifically, how to use the Set-Cookie header in combination with the header Access ... . Yet, there's still no luck... Question&Answers:os...

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

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sql - How to use RETURNING with ON CONFLICT in PostgreSQL?

I have the following UPSERT in PostgreSQL 9.5: INSERT INTO chats ("user", "contact", "name") VALUES ($1, $2, ... columns. Can this be done? If so, how? Question&Answers:os...

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

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170 views

1 answer

Using custom fonts using CSS?

I've seen some new websites that are using custom fonts on their sites (other than the regular Arial, Tahoma, ... free access to download the font, if possible. Question&Answers:os...

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

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243 views

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Using Git with Visual Studio

Closed. This question is opinion-based. 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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62 views

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How does x86 paging work?

This question is meant to fill the vacuum of good free information on the subject. I believe that a good ... virtualization work: body asks for sources only. Question&Answers:os...

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

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605 views

1 answer

Playing HTML5 video on fullscreen in android webview

Well, I've been searching few days already, how to display HTML5 video in full-screen mode on android ... class: Here (doesn't have MediaPlayer) Question&Answers:os...

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

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256 views

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JavaScript string newline character?

Is the universal newline character sequence in Javascript for all platforms? If not, how do I determine ... character sequence used within JavaScript strings. Question&Answers:os...

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

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176 views

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Is MATLAB OOP slow or am I doing something wrong?

I'm experimenting with MATLAB OOP, as a start I mimicked my C++'s Logger classes and I'm putting all my ... there for functions that are directly in the path? Question&Answers:os...

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

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157 views

1 answer

asp.net - How to assign Profile values?

I don't know what I am missing, but I added Profile properties in the Web.config file but cannot access Profile.Item in the code or create a new profile. Question&Answers:os...

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

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418 views

1 answer

mysql - PHP PDO: charset, set names?

I had this previously in my normal mysql_* connection: mysql_set_charset("utf8",$link); mysql_query("SET NAMES ... ::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION)); Question&Answers:os...

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

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115 views

1 answer

c++ - How do I find the location of the executable in C?

This question already has answers here: Question&Answers:os...

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

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371 views

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datetime - How do I output an ISO 8601 formatted string in JavaScript?

I have a Date object. How do I render the title portion of the following snippet? <abbr title="2010-04-02T14:12:07">A ... ; } But that gives me: "2010-4-2T3:19" Question&Answers:os...

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

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245 views

1 answer

Detect home button press in android

This has been driving me nuts for a while now. Is there any way of reliably detecting if the home button has ... hack no longer works as of Android 4.0 onwards Question&Answers:os...

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

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