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linux - How do I grep recursively?

How do I recursively grep all directories and subdirectories? find . | xargs grep "texthere" * Question&Answers:os...

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

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281 views

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database - How to shrink/purge ibdata1 file in MySQL

I am using MySQL in localhost as a "query tool" for performing statistics in R, that is, everytime I run a R ... the ibdata1 file after a fixed period of time? Question&Answers:os...

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

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git branch - Cleaning up old remote git branches

I work from two different computers (A and B) and store a common git remote in the dropbox directory. Let's ... I clean up the remote branches from computer B? Question&Answers:os...

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

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How can I call controller/view helper methods from the console in Ruby on Rails?

When I load script/console, sometimes I want to play with the output of a controller or a view helper ... either via said controller instance or another way? Question&Answers:os...

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

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In Git, what is the difference between origin/master vs origin master?

I know, origin is a term for the remote repository and master is the branch there. I am purposely omitting the ... /master and when I should use origin master? Question&Answers:os...

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

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pointers - Why does the arrow (->) operator in C exist?

The dot (.) operator is used to access a member of a struct, while the arrow operator (->) in C ... unnecessary operator? What is the big design decision? Question&Answers:os...

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

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c# - Interfaces — What's the point?

The reason for interfaces truly eludes me. From what I understand, it is kind of a work around for the non-existent ... void Order() { //Order HawaiiPizza } } Question&Answers:os...

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

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Big-O summary for Java Collections Framework implementations?

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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c# - Invert "if" statement to reduce nesting

When I ran ReSharper on my code, for example: if (some condition) { Some code... } ReSharper gave me ... middle of a method problematic, somewhat like "goto". Question&Answers:os...

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

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How do you properly use namespaces in C++?

I come from a Java background, where packages are used, not namespaces. I'm used to putting classes ... you create objects from classes in other namespaces? Question&Answers:os...

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

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Asynchronous method call in Python?

I was wondering if there's any library for asynchronous method calls in Python. It would be great if you ... native in the language core. Was this considered? Question&Answers:os...

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

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html - <code> vs <pre> vs <samp> for inline and block code snippets

My site is going to have some inline code ("when using the foo() function...") and some block snippets. ... classes, as other users will be maintaining it. Question&Answers:os...

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

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jenkins - Is it ok to run docker from inside docker?

I'm running Jenkins inside a Docker container. I wonder if it's ok for the Jenkins container to also be ... from inside another docker container in this way? Question&Answers:os...

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

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simple explanation PHP OOP vs Procedural?

I would like to learn PHP and want to get an Idea about OOP and Procedural. I read some other blogs and tutorials about ... . (I don't know if that is correct). Question&Answers:os...

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

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ios - Request failed: unacceptable content-type: text/html using AFNetworking 2.0

I'm trying out the new version 2.0 of AFNetworking and I'm getting the error above. Any idea why this ... the JSON using kJSONlink. This should return a JSON. Question&Answers:os...

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

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html - Background image jumps when address bar hides iOS/Android/Mobile Chrome

I'm currently developing a responsive site using Twitter Bootstrap. The site has a full screen background image across ... doing my head in for a while!! Question&Answers:os...

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

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.net - In C#, how to check if a TCP port is available?

In C# to use a TcpClient or generally to connect to a socket how can I first check if a certain port is free on ... port is free. c = new TcpClient(ip, port); Question&Answers:os...

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

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180 views

1 answer

java - Running code after Spring Boot starts

I want to run code after my spring-boot app starts to monitor a directory for changes. I have tried running ... after the application is live in spring-boot? Question&Answers:os...

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

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365 views

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Black transparent overlay on image hover with only CSS?

I'm trying to add a transparent black overlay to an image whenever the mouse is hovering over the image with only CSS ... ; } .overlay:hover { display: block; } Question&Answers:os...

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

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100 views

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java - When should I use File.separator and when File.pathSeparator?

In the File class there are two strings, separator and pathSeparator. What's the difference? When should I use one over the other? Question&Answers:os...

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

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667 views

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visual studio - Resolving LNK4098: defaultlib 'MSVCRT' conflicts with

This warning: LINK : warning LNK4098: defaultlib 'MSVCRT' conflicts with use of other libs; use /NODEFAULTLIB:library ... actually do? And why is it necessary? Question&Answers:os...

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

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javascript - Calling dynamic function with dynamic number of parameters

This question already has answers here: Question&Answers:os...

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

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73 views

1 answer

Calling Python in PHP

I have a Python script I recently wrote that I call using the command line with some options. I now want ... script. Any better ideas? Thanks in advance! Question&Answers:os...

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

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272 views

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python - seek() function?

Please excuse my confusion here but I have read the documentation regarding the seek() function in python ( ... explanations are much appreciated, thank you. Question&Answers:os...

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

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323 views

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python - How do I get the different parts of a Flask request's url?

I want to detect if the request came from the localhost:5000 or foo.herokuapp.com host and what path was ... I get this information about a Flask request? Question&Answers:os...

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

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667 views

1 answer

command line - git update-index --assume-unchanged on directory

git 1.7.12 I want to mark all files below a given directory as assume-unchanged. 1) git update-index --assume ... need to be ignored so that users can do pulls. Question&Answers:os...

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

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310 views

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javascript - Prevent Page Load on Jquery Form Submit with None Display Button

I have a chatbot of sorts set in MSDOS terminal style. The user types their response then hits enter. I have ... Dev and may be to other browsers debs later. Question&Answers:os...

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

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340 views

1 answer

python - Does Django scale?

Closed. This question needs to be more focused. 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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