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Efficient way to rotate a list in python

What is the most efficient way to rotate a list in python? Right now I have something like this: >>> def rotate(l, n): ... [4, 1, 2, 3] Is there a better way? Question&Answers:os...

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

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164 views

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JavaScript hide/show element

How could I hide the 'Edit'-link after I press it? and also can I hide the "lorem ipsum" text when I ... Lorem ipsum Lorem ipsum Lorem ipsum Lorem ipsum </td> Question&Answers:os...

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

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javascript - How can I add 1 day to current date?

I have a current Date object that needs to be incremented by one day using the JavaScript Date object. I have the ... for day, which I am expecting to happen. Question&Answers:os...

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

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javascript - setTimeout calls function immediately instead of after delay

I want to make a value on an HTML page that will be updated every 5 seconds so as to not overwhelm the ... ; setTimeout(GetUsersNumber(), 50000); } } } Question&Answers:os...

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

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python - Find the current directory and file's directory

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

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183 views

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java - Difference between wait() and sleep()

What is the difference between a wait() and sleep() in Threads? Is my understanding that a wait()-ing ... how does their implementation vary at a lower level? Question&Answers:os...

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

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python - How to print a single backslash?

When I write print('') or print("") or print("''"), Python doesn't print the backslash symbol. Instead it ... the second. What should I do to print a backslash? Question&Answers:os...

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

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sql - SQLite - UPSERT *not* INSERT or REPLACE

http://en.wikipedia.org/wiki/Upsert Insert Update stored proc on SQL Server Is there some clever way to do this ... with the new data for the first 3 columns? Question&Answers:os...

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

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RAII and smart pointers in C++

In practice with C++, what is RAII, what are smart pointers, how are these implemented in a program and what are the benefits of using RAII with smart pointers? Question&Answers:os...

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

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java - How to build jars from IntelliJ properly?

I have a project that contains a single module, and some dependencies. I'd like to create a jar, in a ... module appears empty (besides a META-INF file). Question&Answers:os...

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

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python - Equivalent of shell 'cd' command to change the working directory?

cd is the shell command to change the working directory. How do I change the current working directory in Python? Question&Answers:os...

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

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javascript - How do I POST urlencoded form data with $http without jQuery?

I am new to AngularJS, and for a start, I thought to develop a new application using only AngularJS. ... , AngularJS would provide this functionality, but how? Question&Answers:os...

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

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116 views

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c++ - What is "rvalue reference for *this"?

Came across a proposal called "rvalue reference for *this" in clang's C++11 status page. I've read quite ... examples from there. What is this feature about? Question&Answers:os...

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

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On a CSS hover event, can I change another div's styling?

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

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How to change the session timeout in PHP?

I would like to extend the session timeout in php I know that it is possible to do so by modifying the php.ini ... is it possible to do it only with php code? Question&Answers:os...

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

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96 views

1 answer

c# - Use latest version of Internet Explorer in the webbrowser control

The default version of the webbrowser control in a C# Windows Forms application is 7. I have changed ... installed Internet Explorer in a webbrowser control? Question&Answers:os...

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

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156 views

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javascript - Check if checkbox is checked with jQuery

How can I check if a checkbox in a checkbox array is checked using the id of the checkbox array? I am using the ... { return false; } else { return true; } } Question&Answers:os...

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

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56 views

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c# - Automating the InvokeRequired code pattern

I have become painfully aware of just how often one needs to write the following code pattern in event-driven GUI ... So, has anyone figured out any shortcuts? Question&Answers:os...

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

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722 views

1 answer

php - How to prevent form resubmission when page is refreshed (F5 / CTRL+R)

I have a simple form that submits text to my SQL table. The problem is that after the user submits the text, they ... I am having but I forgot where it is. Question&Answers:os...

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

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150 views

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java - Parse a URI String into Name-Value Collection

I've got the URI like this: https://google.com.ua/oauth/authorize?client_id=SS&response_type=code&scope= ... the C#/.NET HttpUtility.ParseQueryString method. Question&Answers:os...

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

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314 views

1 answer

c# - Can I escape a double quote in a verbatim string literal?

In a verbatim string literal (@"foo") in C#, backslashes aren't treated as escapes, so doing " to get a double ... : string foo = @"this "word" is escaped"; Question&Answers:os...

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

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77 views

1 answer

python - Escaping regex string

I want to use input from a user as a regex pattern for a search over some text. It works, but how I can ... possible regex symbol. Do you know some better way ? Question&Answers:os...

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

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186 views

1 answer

android - Passing data between a fragment and its container activity

How can I pass data between a fragment and its container activity? Is there something ... com/guide/topics/fundamentals/fragments.html#CommunicatingWithActivity Question&Answers:os...

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

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147 views

1 answer

javascript - How to get the selected radio button’s value?

I'm having some strange problem with my JS program. I had this working properly but for some reason it's no ... "javascript: submitForm()">Search</A> </form> Question&Answers:os...

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

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1.9k views

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time - How to create an accurate timer in javascript?

I need to create a simple but accurate timer. This is my code: var seconds = 0; setInterval(function() { ... not accurate? How can I create an accurate timer? Question&Answers:os...

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

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103 views

1 answer

java - How do I load a file from resource folder?

My project has the following structure: /src/main/java/ /src/main/resources/ /src/test/java/ /src/test/resources/ ... . I am using Maven to build my project. Question&Answers:os...

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

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101 views

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How do I configure git to ignore some files locally?

Can I ignore files locally without polluting the global git config for everyone else? I have untracked files that ... file I have in my local branches. Question&Answers:os...

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

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241 views

1 answer

android - Error in launching AVD with AMD processor

I have Windows 8.1 pro with an AMD processor. I installed the Android SDK and Eclipse. It works but the problem ... the boot menu, but it's still not working. Question&Answers:os...

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

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