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What is the best (idiomatic) way to check the type of a Python variable?

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

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c# - How can I get the client's IP address in ASP.NET MVC?

I'm totally new to the ASP.NET MVC stack, and I was wondering what happened to the simple Page object and ... do I call this function from the controller page? Question&Answers:os...

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

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258 views

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python - best way to preserve numpy arrays on disk

I am looking for a fast way to preserve large numpy arrays. I want to save them to the disk in a binary ... to be able to store multiple arrays in one file. Question&Answers:os...

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

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docker - Error "The input device is not a TTY"

I am running the following command from my Jenkinsfile. However, I get the error "The input device is not a ... would like to run inside the Docker container. Question&Answers:os...

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

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path - Test if executable exists in Python?

In Python, is there a portable and simple way to test if an executable program exists? By simple I mean ... m doing now, but imagine it's launchmissiles) Question&Answers:os...

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

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compilation - What's an object file in C?

I am reading about libraries in C but I have not yet found an explanation on what an object file is. ... be glad if someone could explain in human language. Question&Answers:os...

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

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regex - Find CRLF in Notepad++

How can I find/replace all CR/LF characters in Notepad++? I am looking for something equivalent to the ^p special character in Microsoft Word. Question&Answers:os...

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

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C++ templates Turing-complete?

I'm told that the template system in C++ is Turing-complete at compile time. This is mentioned in this post ... this property? Is this fact useful in practice? Question&Answers:os...

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

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.net - "The breakpoint will not currently be hit. The source code is different from the original version." What does this mean?

When debugging in Visual Studio, sometimes I add a breakpoint but it's hollow and VS says "The breakpoint will not ... , how can there be an 'original version'? Question&Answers:os...

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

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playframework - How do I change the default port (9000) that Play uses when I execute the "run" command?

How can I change the default port used by the play framework in development mode when issueing the "run" command on the ... [error] Use 'last' for the full log. Question&Answers:os...

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

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297 views

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c# - .NET HashTable Vs Dictionary - Can the Dictionary be as fast?

I am trying to figure out when and why to use a Dictionary or a HashTable. I have done a bit of a search on ... other, (yes the last one is a bit ambiguous). Question&Answers:os...

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

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What do all of Scala's symbolic operators mean?

Scala syntax has a lot of symbols. Since these kinds of names are difficult to find using search engines, a comprehensive list of ... <=, _._, ::, and :+=. Question&Answers:os...

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

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526 views

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linux - What is the runtime performance cost of a Docker container?

I'd like to comprehensively understand the run-time performance cost of a Docker container. I've found references ... a disk directly vs. virtually in Docker. Question&Answers:os...

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

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lint - What is "Linting"?

PHPLint, JSLint, and I recently came across "you can lint your JS code on the fly" while reading something about some IDE. So, what is "linting"? Question&Answers:os...

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

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html - How to Implement DOM Data Binding in JavaScript

Please treat this question as strictly educational. I'm still interested in hearing new answers and ideas to implement ... , but one that gets the idea across. Question&Answers:os...

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

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131 views

1 answer

How to get past the login page with Wget?

I am trying to use Wget to download a page, but I cannot get past the login screen. How do I send ... then download the actual page as an authenticated user? Question&Answers:os...

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

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161 views

1 answer

Git submodule head 'reference is not a tree' error

I have a project with a submodule that is pointing to an invalid commit: the submodule commit remained local and when ... .. here's a similar situation I found. Question&Answers:os...

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

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354 views

1 answer

How can I disable logging of asset pipeline (sprockets) messages in Ruby on Rails 3.1?

Sprockets tends to be quite verbose in the (dev) log by default under Ruby on Rails 3.1 (RC1): ... .logger = nil which silences ActiveRecord SQL statements. Question&Answers:os...

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

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78 views

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How to move certain commits to be based on another branch in git?

The situation: master is at X quickfix1 is at X + 2 commits Such that: o-o-X (master HEAD) q1a-- ... history, but have a branch without changes in quickfix1? Question&Answers:os...

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

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153 views

1 answer

Set up DNS based URL forwarding in Amazon Route53

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

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167 views

1 answer

iphone - How to build a framework or library for other developers, the secure way?

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

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183 views

1 answer

How to add ASP.NET 4.0 as Application Pool on IIS 7, Windows 7

Configuring servers is not my strong suit by any means. I'm trying to move a development project to ... these to the list of available application pools? Question&Answers:os...

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

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145 views

1 answer

How can I add a volume to an existing Docker container?

I have a Docker container that I've created simply by installing Docker on Ubuntu and doing: sudo docker run -i ... to add a volume to an existing container? Question&Answers:os...

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

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430 views

1 answer

python - How can I display full (non-truncated) dataframe information in HTML when converting from Pandas dataframe to HTML?

I converted a Pandas dataframe to an HTML output using the DataFrame.to_html function. When I save this to ... be passed into the DataFrame.to_html function. Question&Answers:os...

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

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Why are Java Streams once-off?

Unlike C#'s IEnumerable, where an execution pipeline can be executed as many times as we want, in Java a ... whether it is empty without rendering it unusable. Question&Answers:os...

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

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244 views

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algorithm - Breadth First Vs Depth First

When Traversing a Tree/Graph what is the difference between Breadth First and Depth first? Any coding or pseudocode examples would be great. Question&Answers:os...

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

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310 views

1 answer

Submit form on pressing Enter with AngularJS

In this particular case, what options do I have to make these inputs call a function when I press Enter? Html: <form ... function() { alert('Submitted'); }; }]) Question&Answers:os...

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

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877 views

1 answer

markdown - How to add images to README.md on GitHub?

Recently I joined GitHub. I hosted some projects there. I need to include some images in my README File. I ... images on any third-party web hosting services? Question&Answers:os...

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

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