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sql - How to delete duplicate rows without unique identifier

I have duplicate rows in my table and I want to delete duplicates in the most efficient way since the table is ... not like the DELETE after the WITH clause? Question&Answers:os...

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

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java - Clean way to combine multiple jars? Preferably using Ant

I have runtime dependencies on some external jars that I would like to "rejar" into a single jar. These external ... -combine -out out.jar -in lib/*.jar Question&Answers:os...

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

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161 views

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Parsing HTML in python - lxml or BeautifulSoup? Which of these is better for what kinds of purposes?

From what I can make out, the two main HTML parsing libraries in Python are lxml and BeautifulSoup. I've ... ? Are there any other libraries worth considering? Question&Answers:os...

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

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How do I force Python to be 32-bit on Snow Leopard and other 32-bit/64-bit questions

When I run the following from a bash shell on my Mac: $ file /usr/bin/python I get the following three ... are some commands/tools that would make this easier. Question&Answers:os...

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

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html - How do I set a background-color for the width of text, not the width of the entire element, using CSS?

What I want is for the green background to be just behind the text, not to be 100% of the page width. Here ... >The Last Will and Testament of Eric Jones</h1> Question&Answers:os...

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

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ajax - API Gateway CORS: no 'Access-Control-Allow-Origin' header

Although CORS has been set up through API Gateway and the Access-Control-Allow-Origin header is set, I still ... from the browser without reverting to JSON-P? Question&Answers:os...

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

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How do I get the HTML code of a web page in PHP?

I want to retrieve the HTML code of a link (web page) in PHP. For example, if the link is https://stackoverflow.com ... it in a PHP variable. How can I do this? Question&Answers:os...

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

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Retrieving the inherited attribute names/values using Java Reflection

I've a Java object 'ChildObj' which is extended from 'ParentObj'. Now, if it is possible to retrieve all ... any way to retrieve the inherited attributes also? Question&Answers:os...

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

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javascript - How do I test axios in Jest?

I have this action in React: export function fetchPosts() { const request = axios.get(`${WORDPRESS_URL}`); return ... in mock data and test that it returns? Question&Answers:os...

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

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c# - How to read ASP.NET Core Response.Body?

I've been struggling to get the Response.Body property from an ASP.NET Core action and the only solution I've been ... "" context.Request.Body.Position = 0; } } Question&Answers:os...

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

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296 views

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Javascript Audio Play on click

I have a JavaScript code to play a sound on click. It works on Chrome but on Firefox it starts on load. Can ... "http://button.png" onclick="audio.play()"> Question&Answers:os...

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

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android - NullPointerException when trying to access views in a Kotlin fragment

How to use Kotlin Android Extensions with Fragments? If I use them inside onCreateView(), I get this NullPointerException ... world"); } return rootView } } ` Question&Answers:os...

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

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Getting URL hash location, and using it in jQuery

I'd like to get the value after a hash in the URL of the current page and then be able to apply this in a ... that I can then use in the second piece of code. Question&Answers:os...

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

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306 views

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html - How to style SVG with external CSS?

I have several SVG graphics I'd like to modify the colors of via my external style sheets - not directly ... able to live without tooltips though.) Thanks! Question&Answers:os...

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

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c# - What's the difference between IEnumerable and Array, IList and List?

What's the difference between IEnumerable and Array? What's the difference between IList and List? These seem to have the same function. Question&Answers:os...

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

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334 views

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.net - "Or" equivalent in Linq Where() lambda expression

Is there a method in Linq where you can use to build SQL strings like "...where (a=1) OR (a=2)"? Question&Answers:os...

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

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android - How to convert DP, PX, SP among each other, especially DP and SP?

I have known the difference among DP, SP and PX. And after searching this topic, I found nothing satisfying me ... codes to do this, but they are imperfect. Question&Answers:os...

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

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154 views

1 answer

c# - ServiceStack.Net Redis: Storing Related Objects vs. Related Object Ids

My team has decided to work with Redis via the ServiceStack.net Redis Client as an underlying repository for a ... we're really starting from scratch here... Question&Answers:os...

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

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php - Youtube API - Extract video ID

I am coding a functionality that allows users to enter a Youtube video URL. I would like to extract the ... pointers / code samples in this regard. Thanks Question&Answers:os...

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

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Can I record/play macros in Visual Studio 2012/2013/2015/2017/2019?

Apparently macros were dropped from Visual Studio 2012. Is there a plugin/extension/tool that will let me record ... generate properties from a text list, etc. Question&Answers:os...

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

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254 views

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Calculate difference between two datetimes in MySQL

I am storing the last login time in MySQL in, datetime-type filed. When users logs in, I want to get the ... get using NOW()). How can I calculate it? Question&Answers:os...

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

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317 views

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windows - $LastExitCode=0, but $?=False in PowerShell. Redirecting stderr to stdout gives NativeCommandError

Why does PowerShell show the surprising behaviour in the second example below? First, an example of sane behaviour: ... blow up depending on where you run it] Question&Answers:os...

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

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python - How to plot a gradient color line in matplotlib?

To state it in a general form, I'm looking for a way to join several points with a gradient color line using ... I'm looking for the same in matplotlib. Thanks. Question&Answers:os...

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

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256 views

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angular - Angular2 Exception: Can't bind to 'routerLink' since it isn't a known native property

Obviously the beta for Angular2 is newer than new, so there's not much information out there, but I am ... working. Any pointers would be gratefully received! Question&Answers:os...

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

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341 views

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php - Replace last occurrence of a string in a string

Anyone know of a very fast way to replace the last occurrence of a string with another string in a string? Note, ... : The Quick Brown Fox Jumps Over A Lazy Dog Question&Answers:os...

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

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recursion - Design patterns for converting recursive algorithms to iterative ones

Are there any general heuristics, tips, tricks, or common design paradigms that can be employed to convert a ... practices worth keeping in mind when doing so. Question&Answers:os...

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

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403 views

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shell - sed whole word search and replace

How do I search and replace whole words using sed? Doing sed -i 's/[oldtext]/[newtext]/g' <file> will also replace ... of [oldtext] which I don't want it to do. Question&Answers:os...

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

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98 views

1 answer

java - Import package.* vs import package.SpecificType

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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