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language agnostic - What algorithm gives suggestions in a spell checker?

What algorithm is typically used when implementing a spell checker that is accompanied with word suggestions? At ... repeatedly. How is this typically done? Question&Answers:os...

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

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c# - When should I use Async Controllers in ASP.NET MVC?

I have some concerns using async actions in ASP.NET MVC. When does it improve performance of my apps, ... database asynchronously in one single action method? Question&Answers:os...

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

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Github "Updates were rejected because the remote contains work that you do not have locally."

I created a new repo, cloned it, added files to the directory, added them with add -A, committed changes, and ... a new repo and contains only a readme file. Question&Answers:os...

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

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bash - How to put a line comment for a multi-line command

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How to test if string exists in file with Bash?

I have a file that contains directory names: my_list.txt : /tmp /var/tmp I'd like to check in Bash before ... name if that name already exists in the file. Question&Answers:os...

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

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ios - Xcode 4: create IPA file instead of .xcarchive

In Xcode 3.2.5 I use "Build And Archive" to create an IPA file. In Xcode 4 you can use "Product -> Archive" to ... . How can I create an .ipa file with Xcode 4? Question&Answers:os...

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Remote Connections Mysql Ubuntu

For some reason, I've been unable to connect remotely to my MySQL server. I've tried everything and I'm still ... : my.cnf has commented out the bind ip . Question&Answers:os...

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ios - UIButton inside a view that has a UITapGestureRecognizer

I have view with a UITapGestureRecognizer. So when I tap on the view another view appears above this view. ... a behavior like the fullscreen vide controls. Question&Answers:os...

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In Java, what are the advantages of streams over loops?

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android - Clear back stack using fragments

I ported my Android app to honeycomb and I did a big refactor in order to use fragments. In my ... having to use startActivity with the ACTIVITY_CLEAR_TOP flag? Question&Answers:os...

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java - Why is exception.printStackTrace() considered bad practice?

There is a lot of material out there which suggests that printing the stack trace of an exception is bad ... avoiding printing a stack trace in your code? Question&Answers:os...

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

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ios - iPhone 6 and 6 Plus Media Queries

Does anyone know specific screen sizes to target media queries for iPhone 6 and 6 Plus? Also, the icon sizes and splash screens? Question&Answers:os...

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c# - Better way to check if a Path is a File or a Directory?

I am processing a TreeView of directories and files. A user can select either a file or a directory and then ... whether a path is a file or directory? Question&Answers:os...

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python - How do I install PyCrypto on Windows?

I've read every other google source and SO thread, with nothing working. Python 2.7.3 32bit installed on Windows 7 ... on the system (not working). Any ideas? Question&Answers:os...

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

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php - How to find the foreach index?

Is it possible to find the foreach index? in a for loop as follows: for ($i = 0; $i < 10; ++$i) { echo ... there some way to get the index in the foreach loop? Question&Answers:os...

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jenkins pipeline - How do I get the output of a shell command executed using into a variable from Jenkinsfile (groovy)?

I have something like this on a Jenkinsfile (Groovy) and I want to record the stdout and the exit code in ... any kind of groovy code inside the Jenkinsfile? Question&Answers:os...

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

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unicode - (grep) Regex to match non-ASCII characters?

On Linux, I have a directory with lots of files. Some of them have non-ASCII characters, but they are all ... 'any character that's not an ASCII character'? Question&Answers:os...

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php - Which $_SERVER variables are safe?

Any variable that a user can control, an attacker can also control and is therefore a source of an attack. ... list" or untainted list of $_SERVER variables? Question&Answers:os...

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

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c# - ObserveOn and SubscribeOn - where the work is being done

Based on reading this question: What's the difference between SubscribeOn and ObserveOn ObserveOn sets where the ... is being executed on the dispatcher? Question&Answers:os...

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.net - New asp.net charting controls - will they work with MVC (eventually)?

Scott Gu just posted about a new set of charting controls being distributed by the .NET team. They look incredible: ... they work with MVC, and if so, when? Question&Answers:os...

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java - Is it good practice to make the constructor throw an exception?

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

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git --git-dir not working as expected

I am trying to run git from a different directory than I am in. So for example if I am in: cd /home/domain ... Hope someone can advise on what I'm doing wrong. Question&Answers:os...

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How to prevent gcc optimizing some statements in C?

In order to make a page dirty (switching on the dirty bit in the page table entry), I touch the first ... since it will bring great performance penalty as well. Question&Answers:os...

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

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python - Check if two unordered lists are equal

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

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sql - Illegal mix of collations MySQL Error

I'm getting this strange error while processing a large number of data... Error Number: 1267 Illegal mix of collations ( ... if so, what should I change it to? Question&Answers:os...

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How to start a stopped Docker container with a different command?

I would like to start a stopped Docker container with a different command, as the default command crashes - ... created the container with the -it option! Question&Answers:os...

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

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How to git-svn clone the last n revisions from a Subversion repository?

Problem How do you create a shallow copy with git-svn from a Subversion repository, e.g. how do you pull ... /some/svn/repo . Documentation git-clone git-svn Question&Answers:os...

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android - "Rate This App"-link in Google Play store app on the phone

I'd like to put a "Rate This App"-link in an Android App to open up the app-listing in the user's Google Play store ... the best to use - market:// or http://? Question&Answers:os...

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

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