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python - Why does list ask about __len__?

class Foo: def __getitem__(self, item): print('getitem', item) if item == 6: raise IndexError return item**2 def ... ? (CPython 3.6.0 on Linux) See Question&Answers more detail:os...

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ruby on rails - Getting a "bad interpreter" error when using brew

I'm getting this error when I try to run any brew command. Holger-Sindbaeks-MacBook-Air:~ holgersindbaek$ brew ... a long time without answer. See Question&Answers more detail:os...

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exception - Does throw inside a catch ellipsis (...) rethrow the original error in C++?

If in my code I have the following snippet: try { doSomething(); } catch (...) { doSomethingElse(); ... caught by the default ellipsis handler? See Question&Answers more detail:os...

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

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c# - DotNetZip add files without creating folders

using (ZipFile zip = new ZipFile()) { foreach(string file in Directory.GetFiles(folder)) { zip.AddFile(file, Path. ... - myPdf.pdf - myPdf.pdf See Question&Answers more detail:os...

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Include HTML files in R Markdown file?

Quick Summary How do I place HTML files in place within an R Markdown file? Details I have created some ... a challenge with the embedding. See Question&Answers more detail:os...

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vb.net - Why is it not necessary to indicate ByVal/ByRef anymore?

I just installed Visual Studio 2010 Service pack (proposed on Windows Update), and I can see a new feature on ... like it is always ByRef) See Question&Answers more detail:os...

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c# - How can I get WinForms to stop silently ignoring unhandled exceptions?

This is getting extremely irritating. Right now I have a winforms application, and things were not working ... break on unhandled exceptions! See Question&Answers more detail:os...

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

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datetime - Is there a standard date/time class in C++?

Does C++ stl have a standard time class? Or do I have to convert to c-string before writing to a ... that can be instantiated from time_t value See Question&Answers more detail:os...

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Compile to stand alone exe for C# app in Visual Studio 2010

Similar to this question Compile to a stand-alone executable (.exe) in Visual Studio But nothing there works ... setup/install files. Thanks! See Question&Answers more detail:os...

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disable clickable landmark on google map

I'm using google map API v3. I want to disable click action on default google landmark/poi. For example, ... Which API function should I use? See Question&Answers more detail:os...

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escaping - Ruby gsub doesn't escape single-quotes

I don't understand what is going on here. How should I feed gsub to get the string "Yaho'o"? >> "Yaho'o".gsub("Y ... gsub("'", "\'") => "Yahooo" See Question&Answers more detail:os...

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How to detect current JSF-Version?

I am developing a jsf-webapp and now I need to know what JSF-Version I am using? Where can I look this up? Thanks in advance. See Question&Answers more detail:os...

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sql - Can I use a MySQL database with an App Engine application

I know that App Engine has its own datastore. This is great for most cases and fairly easy to used. However, we ... that show how to do it? See Question&Answers more detail:os...

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keyboard - Can javascript tell the difference between left and right shift key?

Mostly this is a sanity check. The key code for both shift keys is 16. Does that mean it is actually ... right shift events in a browser? See Question&Answers more detail:os...

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JPG to PDF Convertor in C#

I would like to convert from an image (like jpg or png) to PDF. I've checked out ImageMagickNET, but it is ... for converting an image to a PDF? See Question&Answers more detail:os...

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Accent insensitive search query in MySQL

Is there any way to make search query accent insensitive? the column's and table's collation are utf8_polish_ci and I ... . How can I do that? See Question&Answers more detail:os...

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How can I sort a list of strings in Dart?

I see in the API docs there is a sort() method on List, but I'm not clear what it needs for a ... a very simple straight up alpha comparison. See Question&Answers more detail:os...

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

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html - force element to display outside of overflow:hidden

This is probably attempting the impossible, but I would like to display an element outside of an element that is overflow: ... > </div> </div> See Question&Answers more detail:os...

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pandas - Tilde sign in python dataframe

Im new to python and came across a code snippet. df = df[~df['InvoiceNo'].str.contains('C')] Would be ... tilde signs usage in this context ? See Question&Answers more detail:os...

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javascript - jasmine mock window object

How do I mock window object? I'm doing firefox extension and I want to use jasmine for javascript testing ... that window.argument is undefined. See Question&Answers more detail:os...

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rest - How do I get the body of a web request that returned 400 Bad Request from Invoke-RestMethod

When I run the following statement Invoke-RestMethod "https://api.mysite.com/the/endpoint" ` -Body (ConvertTo-Json ... with the request I sent? See Question&Answers more detail:os...

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sql - PostgreSQL Where count condition

I have following query in PostgreSQL: SELECT COUNT(a.log_id) AS overall_count FROM "Log" as a, "License" as b ... for calls in a specific month. See Question&Answers more detail:os...

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android - Java socket IOException - permission denied

i am trying to connect to a server on my network running a tcp listener using the following java code. I am ... ("test"); socket.close(); See Question&Answers more detail:os...

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visual studio 2010 - Is it possible to change CSS Validation scheme in VS2010

I'm editing a simple CSS file in VS2010 and the editor seems to have a rather limited understanding of CSS, for ... the life of me find it. See Question&Answers more detail:os...

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

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java - Exclude directories & subdirectories from validation in Eclipse

How do I exclude a folder AND its sub-directories from validation in eclipse? I know that you can right click on ... might be able to do this? See Question&Answers more detail:os...

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

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javascript - How to create time in a specific time zone with moment.js

I have this backend that sends me a pre formatted time in a set time zone, but without any information for the said ... there a way to do that? See Question&Answers more detail:os...

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c++ - Is there an automatic noexcept specifier?

I've heard that noexcept keyword is more like 'it should never throw an exception' rather than 'it ... to simplify the noexcept expression? See Question&Answers more detail:os...

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

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javascript - Owl Carousel Won't Autoplay

I'm using the Owl Carousel on my site. According to their documentation, this piece of JavaScript should work: <script> ... /div> </div> </div> See Question&Answers more detail:os...

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

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