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x86 - What is the difference between Trap and Interrupt?

What is the difference between Trap and Interrupt? If the terminology is different for different systems, then what do they mean on x86? See Question&Answers more detail:os...

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git - Renaming a branch in GitHub

I just renamed my local branch using git branch -m oldname newname but this only renames the local version of the ... rename the one on?GitHub? See Question&Answers more detail:os...

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64 bit - Android Studio: /dev/kvm device permission denied

When I try to run my Android app on an emulator I get this error: /dev/kvm permission denied. I checked the ... the kvm group. What is wrong? See Question&Answers more detail:os...

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How to "comment-out" (add comment) in a batch/cmd?

I have a batch file that runs several python scripts that do table modifications. I want to have users ... more appropriately adding a comment? See Question&Answers more detail:os...

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Transfer git repositories from GitLab to GitHub - can we, how to and pitfalls (if any)?

Can one transfer repositories from GitLab to GitHub if the need be. If so, how exactly can I go about doing the ... find handy for my project). See Question&Answers more detail:os...

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angular - What is the difference between declarations, providers, and import in NgModule?

I am trying to understand Angular (sometimes called Angular2+), then I came across @Module: Imports ... Following Angular Quick Start See Question&Answers more detail:os...

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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...

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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...

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distributed computing - Explaining Apache ZooKeeper

I am trying to understand ZooKeeper, how it works and what it does. Is there any application which is ... just replicating a server service? See Question&Answers more detail:os...

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python - Find which version of package is installed with pip

Using pip, is it possible to figure out which version of a package is currently installed? I know about pip ... version I am currently using. See Question&Answers more detail:os...

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angularjs - Understanding the transclude option of directive definition?

I think this is one of the hardest concept for me to understand with angularjs's directive. The document from http:// ... solve? How to use it? See Question&Answers more detail:os...

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version control - Difference between GIT and CVS

What is the difference between Git and CVS version control systems? I have been happily using CVS for over 10 ... is better than the other? See Question&Answers more detail:os...

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c++ - Why use #ifndef CLASS_H and #define CLASS_H in .h file but not in .cpp?

I have always seen people write class.h #ifndef CLASS_H #define CLASS_H //blah blah blah #endif The question is, why ... is in the class.cpp? See Question&Answers more detail:os...

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scala - Akka Kill vs. Stop vs. Poison Pill?

Newbie question of Akka - I'm reading over Akka Essentials, could someone please explain the difference between Akka ... the other? Many thanks! See Question&Answers more detail:os...

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REST API Login Pattern

I am creating a REST api, closely following apigee suggestions, using nouns not verbs, api version baked into ... style for logging in users? See Question&Answers more detail:os...

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Ruby on Rails Callback, what is difference between :before_save and :before_create?

Could you explain in detail what the :before_save and :before_create Ruby on Rails callbacks are, and what ... :before_save or :before_create? See Question&Answers more detail:os...

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editor - Open two instances of a file in a single Visual Studio session

I have a file, xyz.cpp. I want to open two instances of this file in Visual studio (BTW, I am using Visual ... of lines of code I can compare. See Question&Answers more detail:os...

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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)

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json - Python: How would you save a simple settings/config file?

I don't care if it's JSON, pickle, YAML, or whatever. All other implementations I have seen are not forwards ... any simple way to do this? See Question&Answers more detail:os...

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bash - How to get the start time of a long-running Linux process?

Is it possible to get the start time of an old running process? It seems that ps will report the date ... lost forever for old processes? See Question&Answers more detail:os...

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

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git - How to keep a branch synchronized/updated with master?

At the moment git is doing my head in, I cannot come up with the best solution for the following. There are two branches, ... F--G--------K--L See Question&Answers more detail:os...

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How to merge specific files from Git branches

I have 2 git branches branch1 and branch2 and I want to merge file.py in branch2 into file.py in branch1 and only ... the best way to do this? See Question&Answers more detail:os...

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How to show math equations in general github's markdown(not github's blog)

After investigating, I've found mathjax can do this. But when I write some example in my markdown file, ... symbols in github markdown pages. See Question&Answers more detail:os...

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For homebrew mysql installs, where's my.cnf?

For homebrew mysql installs, where's my.cnf? Does it install one? See Question&Answers more detail:os...

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keyboard shortcuts - How do I search for files in Visual Studio Code?

I am used to Resharper where I can search for files, not the content, but the filename, which makes it quick to ... is there a shortcut for it? See Question&Answers more detail:os...

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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...

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c++ - Coding Practices which enable the compiler/optimizer to make a faster program

Many years ago, C compilers were not particularly smart. As a workaround K&R invented the register keyword, to ... [Edit] Offset related link See Question&Answers more detail:os...

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How to get the path of the batch script in Windows?

I know that %0 contains the full path of the batch script, e.g. c:pathomyfileabc.bat I would path to be ... How could I achieve that ? See Question&Answers more detail:os...

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

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