OStack Q&A-Knowledge Sharing Community

0 votes

200 views

1 answer

What is the best way to generate a unique and short file name in Java

I don't necessarily want to use UUIDs since they are fairly long. The file just needs to be unique within ... millisecond needs to be handled. See Question&Answers more detail:os...

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

0 votes

203 views

1 answer

android - How to pass parameters to OnClickListener?

How can i pass parameter to an OnClickListener() ? Got my Listener: OnClickListener myListener = new ... do completly different things. See Question&Answers more detail:os...

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

0 votes

314 views

1 answer

php - How to solve time out in phpmyadmin?

I want import huge (at least 300 mb) sql scripts via phpMyAdmin. I've tried: post_max_size = 750M ... getting timeout errors during importing. See Question&Answers more detail:os...

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

0 votes

195 views

1 answer

c++ - why is `std::initializer_list` often passed by value?

In almost every post I see on SO, involving a std::initializer_list, people tend to pass a std::initializer_list ... not make a needless copy? See Question&Answers more detail:os...

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

0 votes

389 views

1 answer

javascript - RegEx: How can I match all numbers greater than 49?

I'm somewhat new to regular expressions and am writing validation for a quantity field where regular expressions ... only integers are used) See Question&Answers more detail:os...

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

0 votes

415 views

1 answer

r - Plot a function with ggplot, equivalent of curve()

Is there an equivalent method for plotting functions using ggplot to the curve() command employed in base graphics? ... bit more simple. Thanks! See Question&Answers more detail:os...

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

0 votes

633 views

1 answer

c# - DbContext discard changes without disposing

I have a desktop client application that uses modal windows to set properties for hierarchical objects. Since this ... Framework Version 4.4. See Question&Answers more detail:os...

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

0 votes

413 views

1 answer

javascript - Listen on HTTP and HTTPS for a single express app

Can I create an Express server listening on both HTTP and HTTPS, with the same routes and the same middlewares? Currently ... } ).listen( 443 ); See Question&Answers more detail:os...

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

0 votes

687 views

1 answer

macos - How to reinstall python@2 from Homebrew?

I have been having issues with openssl and python@2 with brew, which have explained here (unresolved). The ... arguments are required: command See Question&Answers more detail:os...

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

0 votes

581 views

1 answer

c# - Allow access permission to write in Program Files of Windows 7

My application throws 'Access denied' errors when writing temporary files in the installation directory where the ... full admin rights) See Question&Answers more detail:os...

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

0 votes

272 views

1 answer

java - Why does the JVM require warmup?

I understand that in the Java virtual machine (JVM), warmup is potentially required as Java loads classes using ... is of extreme importance. See Question&Answers more detail:os...

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

0 votes

552 views

1 answer

performance - Content-Length header versus chunked encoding

I'm trying to weigh the pros and cons of setting the Content-Length HTTP header versus using chunked encoding to ... may not have thought of? See Question&Answers more detail:os...

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

0 votes

216 views

1 answer

Android opening a file with ACTION_GET_CONTENT results into different Uri's

I am trying to open files by using Intent.ACTION_GET_CONTENT. Dependent on the Android version/ ... NetworkOnMainThreadException crashes). See Question&Answers more detail:os...

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

0 votes

1.1k views

1 answer

selenium - How to make Xvfb display visible?

I am running selenium through Xvfb on display number :99 like this: /usr/bin/Xvfb :99 -ac -screen 0 ... selenium is doing in the browser? See Question&Answers more detail:os...

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

0 votes

257 views

1 answer

How do I make modal dialog for a Page in my WPF-application?

I have a WPF Window which has a among other controls hosts a Frame. In that frame I display different pages. Is ... that is not on the page. See Question&Answers more detail:os...

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

0 votes

131 views

1 answer

Android - How to display a dialog over a native screen?

I was wondering if anyone can tell if how to pop a dialog screen up over a native Android screen? I ... links to tutorials? Thanks in advance See Question&Answers more detail:os...

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

0 votes

502 views

1 answer

How to change pip3 command to be pip?

I uninstalled pip, and I installed pip3 instead. Now, I want to use pip3 by typing pip only. The reason is I ... to make pip points to pip3? See Question&Answers more detail:os...

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

0 votes

119 views

1 answer

Iterate enum values using java generics

I'm trying to find a way to iterate through an enum's values while using generics. Not sure how to ... Class parameter in the constructors? See Question&Answers more detail:os...

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

0 votes

387 views

1 answer

css - Why use an attribute selector to match classes?

I have found an example of responsive email templates where there are such CSS selectors such as the following: ... browsers or anything else? See Question&Answers more detail:os...

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

0 votes

120 views

1 answer

Android - Google Play like tabs

Google has just implemented a new look to their tabs in Google Play. I know this can be done with ... support library. Thanks in advance. See Question&Answers more detail:os...

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

0 votes

203 views

1 answer

PHP include best practices question

I have been learning syntax for PHP and practicing it. I come from a .NET background so masterpages always made ... . Is this good practice? See Question&Answers more detail:os...

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

0 votes

225 views

1 answer

How to properly free records that contain various types in Delphi at once?

type TSomeRecord = Record field1: integer; field2: string; field3: boolean; End; var SomeRecord: TSomeRecord; ... might take some time. See Question&Answers more detail:os...

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

0 votes

115 views

1 answer

How to get access to HTTP header information in Spring MVC REST controller?

I am new to web programming in general, especially in Java, so I just learned what a header and body is ... I go about getting that information? See Question&Answers more detail:os...

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

0 votes

230 views

1 answer

Change Tomcat Server's timeout in Eclipse

When I try to run my Tomcat I get a message: Server Tomcat v6.0 Server at localhost was unable to start within 45 ... . I am using Eclipse 3.6. See Question&Answers more detail:os...

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

0 votes

1.6k views

1 answer

asp.net - What are the Web.Debug.config and Web.Release.Config files for?

I just upgraded to Visual Studio 2010 and MVC 2.0 and I noticed the Web.config has two additional files ... Web.configs respectively? Thanks! See Question&Answers more detail:os...

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

0 votes

2.0k views

1 answer

windows - how to get program files x86 env variable?

I would like to know how I can display the location of Program Files (x86) in command prompt. I'm using ... displayed with C:Program Files?? See Question&Answers more detail:os...

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

0 votes

1.4k views

1 answer

html - Using :after to clear floating elements

I have a list and the li's have a float:left;. The contents after the <ul> should be aligned ... separate div to clear floating elements? See Question&Answers more detail:os...

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

0 votes

712 views

1 answer

ruby on rails - Bundler::GemNotFound: Could not find rake-10.3.2 in any of the sources

I have been working with Rails and it sends me back this error. Please provide questions. Thanks for all the help ... . Thanks for all the help. See Question&Answers more detail:os...

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

Categories

Recent questions

Just Browsing Browsing

Most popular tags