OStack Q&A-Knowledge Sharing Community

0 votes

674 views

1 answer

macos - Moving Files into a Real Folder in Xcode

When I started my project I was happy to use Groups in Xcode rather than literal folders: Since I'm using ... I'm working with existing files. See Question&Answers more detail:os...

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

0 votes

354 views

1 answer

How do I find the width & height of a terminal window?

As a simple example, I want to write a CLI script which can print = across the entire width of the terminal window. ... ; let x=$x+1 done; echo 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

git - Merge up to a specific commit

I created a new branch named newbranch from the master branch in git. Now I have done some work and want ... ? git merge newbranch <commitid> See Question&Answers more detail:os...

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

0 votes

296 views

1 answer

javascript - How can I animate the drawing of text on a web page?

I want to have a web page which has one centered word. I want this word to be drawn with an animation ... ve searched exhaustively with no luck. See Question&Answers more detail:os...

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

0 votes

666 views

1 answer

git - How do I set GIT_SSL_NO_VERIFY for specific repos only?

I have to use a git server without proper certificates, but I don't want to have to do env GIT_SSL_NO_VERIFY= ... this local to a single repo? See Question&Answers more detail:os...

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

0 votes

705 views

1 answer

github - What is "git remote add ..." and "git push origin master"?

Quite often, Git and Ruby on Rails looks like magic... such as in the first chapter of Ruby on Rails 3 Tutorial ... not know what is going on. See Question&Answers more detail:os...

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

0 votes

446 views

1 answer

Which version of PostgreSQL am I running?

I'm in a corporate environment (running Debian Linux) and didn't install it myself. I access the databases ... the server running the database. See Question&Answers more detail:os...

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

0 votes

497 views

1 answer

terminal - List Git aliases

How do I print a list of my git aliases, i.e., something analogous to the bash alias command? See Question&Answers more detail:os...

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

0 votes

560 views

1 answer

svn - How do I create a branch?

How do I create a branch in SVN? See Question&Answers more detail:os...

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

0 votes

761 views

1 answer

postgresql - Alternate output format for psql

I am using PostgreSQL 8.4 on Ubuntu. I have a table with columns c1 through cN. The columns are wide enough ... let me do something like that? See Question&Answers more detail:os...

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

0 votes

467 views

1 answer

functional programming - Why are side-effects modeled as monads in Haskell?

Could anyone give some pointers on why the impure computations in Haskell are modelled as monads? I mean monad ... side-effects in it? See Question&Answers more detail:os...

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

0 votes

446 views

1 answer

terminology - What is a stream?

What is a stream in the programming world? Why do we need it? Kindly explain with the help of an analogy, if possible. See Question&Answers more detail:os...

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

0 votes

485 views

1 answer

machine learning - How does Apple find dates, times and addresses in emails?

In the iOS email client, when an email contains a date, time or location, the text becomes a hyperlink and ... to apply accomplish such task? See Question&Answers more detail:os...

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

0 votes

611 views

1 answer

bash - How can I convert tabs to spaces in every file of a directory?

How can I convert tabs to spaces in every file of a directory (possibly recursively)? Also, is there a way of ... the number of spaces per tab? See Question&Answers more detail:os...

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

0 votes

426 views

1 answer

Redis command to get all available keys?

Is there a Redis command for fetching all keys in the database? I have seen some python-redis libraries ... is possible from redis-client. See Question&Answers more detail:os...

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

0 votes

204 views

1 answer

javascript - Google's Imageless Buttons

There have been a few articles recently about Google's new imageless buttons: http://stopdesign.com/ ... create similar button functionality. See Question&Answers more detail:os...

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

0 votes

520 views

1 answer

file - What are the pros and cons of parquet format compared to other formats?

Characteristics of Apache Parquet are : Self-describing Columnar format Language-independent In comparison to Avro, ... over the others? See Question&Answers more detail:os...

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

0 votes

190 views

1 answer

Comparing Haskell's Snap and Yesod web frameworks

The two Haskell web frameworks in the news recently are Yesod (at 0.8) and Snap (at 0.4). It's ... there. How about sessions? Other features? See Question&Answers more detail:os...

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

0 votes

409 views

1 answer

c# - What is the difference between the Data Mapper, Table Data Gateway (Gateway), Data Access Object (DAO) and Repository patterns?

I'm trying to brush up on my design pattern skills, and I'm curious what are the differences between these ... of doing the same exact thing. See Question&Answers more detail:os...

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

0 votes

346 views

1 answer

ios - What does the NS prefix mean?

Many classes in Cocoa/Cocoa Touch have the NS prefix. What does it mean? See Question&Answers more detail:os...

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

0 votes

540 views

1 answer

git push - How can I find the location of origin/master in git, and how do I change it?

I'm a Git newbie. I recently moved a Rails project from Subversion to Git. I followed the tutorial here ... .unfuddle.com:spilth/geekfor.git See Question&Answers more detail:os...

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

0 votes

407 views

1 answer

terminology - What is an anti-pattern?

I am studying patterns and anti-patterns. I have a clear idea about patterns, but I don't get anti-patterns. ... a bad thing or good thing? See Question&Answers more detail:os...

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

0 votes

267 views

1 answer

html - Fast and responsive interactive charts/graphs: SVG, Canvas, other?

I am trying to choose the right technology to use for updating a project that basically renders thousands ... /github.com/zooniverse/LightCurves See Question&Answers more detail:os...

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

0 votes

463 views

1 answer

Throw away local commits in Git

Due to some bad cherry-picking, my local Git repository is currently five commits ahead of the origin, and ... staged, but uncommitted changes See Question&Answers more detail:os...

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

0 votes

743 views

1 answer

vim - How do I fix the indentation of an entire file in Vi?

In Vim, what is the command to correct the indentation of all the lines? Often times I'll copy and paste code ... fix this in one fell swoop. 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

How to exit from PostgreSQL command line utility: psql

What command or short key can I use to exit the PostgreSQL command line utility psql? See Question&Answers more detail:os...

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

0 votes

711 views

1 answer

keyboard shortcuts - How to select all instances of a variable and edit variable name in Sublime

If I select a variable (not just any string) in my code, all other instances of that variable get a ... to select just the variable matches? See Question&Answers more detail:os...

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

0 votes

243 views

1 answer

mesosphere - What's the difference between Apache's Mesos and Google's Kubernetes

What exactly is the difference between Apache's Mesos and Google's Kubernetes? I understand both are server cluster ... on top of Mesosphere? 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