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Declaring a variable in a class (outside of a function): all class functions can access it (basically a public variable ... know, or have I pretty much got it? Question&Answers:os...

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

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333 views

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regex - Why doesn't [01-12] range work as expected?

I'm trying to use the range pattern [01-12] in regex to match two digit mm, but this doesn't work as expected. Question&Answers:os...

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

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python - How can I play an mp3 with pygame?

import pygame file = 'some.mp3' pygame.init() pygame.mixer.init() pygame.mixer.music.load(file) pygame.mixer. ... play anything. How can I resolve this problem? Question&Answers:os...

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

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How do I commit case-sensitive only filename changes in Git?

I have changed a few files name by de-capitalize the first letter, as in Name.jpg to name.jpg. Git does not ... I have not made any changes to the file itself. Question&Answers:os...

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

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How to import CSV file data into a PostgreSQL table?

How can I write a stored procedure that imports data from a CSV file and populates the table? Question&Answers:os...

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

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java - Scanner vs. BufferedReader

As far I know, the two most common methods of reading character-based data from a file in Java is ... you choose Scanner over BufferedReader or vice versa? Question&Answers:os...

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

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r - Test if a vector contains a given element

How to check if a vector contains a given value? Question&Answers:os...

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

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Android: ListView elements with multiple clickable buttons

I've a ListView where every element in the list contains a TextView and two different Buttons. Something like ... the nested buttons selectable. Anyone an idea? Question&Answers:os...

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

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java - Display Animated GIF

I want to display animated GIF images in my aplication. As I found out the hard way Android doesn't support ... GIF and convert each of them into Drawable? Question&Answers:os...

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

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320 views

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r - How to disable scientific notation?

I have a dataframe with a column of p-values and I want to make a selection on these p-values. > ... values, like 0.0004835312 instead of 4.835312e-04? Question&Answers:os...

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

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182 views

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jquery - Convert XML to JSON (and back) using Javascript

How would you convert from XML to JSON and then back to XML? The following tools work quite well, ... : xml2json Has anyone encountered this situation before? Question&Answers:os...

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

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205 views

1 answer

javascript - prevent refresh of page when button inside form clicked

I have an issue while using buttons inside form. I want that button to call function. It does, but with ... What should I do to prevent the page refresh? Question&Answers:os...

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

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212 views

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JavaScript function to add X months to a date

I'm looking for the easiest, cleanest way to add X months to a JavaScript date. I'd rather not handle the ... Is there something built in that can do this? Question&Answers:os...

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

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macos - Update OpenSSL on OS X with Homebrew

I'm using MacOS X 10.7.5 and I need a newer OpenSSL version due to handshake failures. There are ... the MacPorts way because it may interfere with Homebrew. Question&Answers:os...

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

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How do I migrate an SVN repository with history to a new Git repository?

I read the Git manual, FAQ, Git - SVN crash course, etc. and they all explain this and that, but nowhere ... just to say what steps to take given this example. Question&Answers:os...

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

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Comparison of Android Web Service and Networking libraries: OKHTTP, Retrofit and Volley

Closed. This question does not meet Stack Overflow guidelines. 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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187 views

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apache - Error message "Forbidden You don't have permission to access / on this server"

Closed. This question does not meet Stack Overflow guidelines. 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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148 views

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html - How do you easily horizontally center a <div> using CSS?

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

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173 views

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html - Stretch and scale CSS background

Is there a way to get a background in CSS to stretch or scale to fill its container? Question&Answers:os...

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

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batch processing - How do you convert an entire directory with ffmpeg?

How do you convert an entire directory/folder with ffmpeg via command line or with a batch script? Question&Answers:os...

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

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143 views

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Android ACTION_IMAGE_CAPTURE Intent

We are trying to use the native camera app to let the user take a new picture. It works just ... the MediaStore.ACTION_IMAGE_CAPTURE intent, just to be clear Question&Answers:os...

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

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93 views

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python - How to read specific lines from a file (by line number)?

I'm using a for loop to read a file, but I only want to read specific lines, say line #26 and #30. Is there any built-in feature to achieve this? Question&Answers:os...

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

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543 views

1 answer

c# - ProcessStartInfo hanging on "WaitForExit"? Why?

I have the following code: info = new System.Diagnostics.ProcessStartInfo("TheProgram.exe", String.Join(" ", args)); ... instead? If not, what am I doing wrong? Question&Answers:os...

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

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92 views

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dom - Compiling dynamic HTML strings from database

The Situation Nested within our Angular app is a directive called Page, backed by a controller, which contains a div ... In any case, I could use some advice. Question&Answers:os...

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

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120 views

1 answer

html - What is the default form HTTP method?

When an HTML form is submitted without specifying a method, what is the default HTTP method used? GET or ... Please cite a W3C standard document if possible. 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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c++ - Why should the implementation and the declaration of a template class be in the same header file?

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

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c - Finding length of array inside a function

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

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319 views

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logging - How to get ELMAH to work with ASP.NET MVC [HandleError] attribute?

I am trying to use ELMAH to log errors in my ASP.NET MVC application, however when I use the [HandleError] attribute ... call to force it to log the error.... Question&Answers:os...

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

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