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I have a URL like this: http://192.168.0.1:8080/servlet/rece I want to parse the URL to get the values: ... ://stackoverflow.com/questions/726122/best-ways-of-parsing-a-url-using-c...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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299 views

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How to debug the Linux kernel with GDB and QEMU?

I'm new to kernel development and I would like to know how to run/debug the linux kernel using QEMU and gdb. ... questions/11408041/how-to-debug-the-linux-kernel-with-gdb-and-qemu...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Why is Stream.sorted not type-safe in Java 8?

This is from the Stream interface from Oracle's implementation of JDK 8: public interface Stream<T> extends BaseStream<T, ... 53219523/why-is-stream-sorted-not-type-safe-in-java-8...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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248 views

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objective c - How to use a 'Container View' in iOS?

I have noticed the UI Component in XCode: Container View. Based on the description provided I would like to make use ... .com/questions/16884879/how-to-use-a-container-view-in-ios...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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80 views

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java - How do you upload a file to an FTP server?

I created a function to download files from an FTP server that I have access to. How would I upload files back to ... /questions/6527664/how-do-you-upload-a-file-to-an-ftp-server...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c++ - What causes std::bad_function_call?

I've seen a few questions that refer to the std::bad_function_call exception, but haven't been able to ... ://stackoverflow.com/questions/5567287/what-causes-stdbad-function-call...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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301 views

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iphone - How to change an UILabel/UIFont's letter spacing?

I've searched loads already and couldn't find an answer. I have a normal UILabel, defined this way: ... com/questions/2544905/how-to-change-an-uilabel-uifonts-letter-spacing...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Service Worker registration error: Unsupported MIME type ('text/html')

I'm using create-react-app with an express server. create-react-app has a pre-configured ServiceWorker ... /service-worker-registration-error-unsupported-mime-type-text-html...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Accessing value inside nested dictionaries

(This question already has answers here): question from:https://stackoverflow.com/questions/10399614/accessing-value-inside-nested-dictionaries...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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267 views

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css - height style property doesn't work in div elements

I'm setting a height of 20px on a <div>, though when it renders in the browser, its only 14px high ... .com/questions/4967613/height-style-property-doesnt-work-in-div-elements...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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252 views

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recursion - What is the Python way for recursively setting file permissions?

What's the "python way" to recursively set the owner and group to files in a directory? I could just ... /2853723/what-is-the-python-way-for-recursively-setting-file-permissions...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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110 views

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c - Why is the conditional operator right associative?

I can understand why the assignment operator is right associative. It makes sense that when x = 4 + 3 ... .com/questions/7407273/why-is-the-conditional-operator-right-associative...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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performance - Why were literal formatted strings (f-strings) so slow in Python 3.6 alpha? (now fixed in 3.6 stable)

I've downloaded a Python 3.6 alpha build from the Python Github repository, and one of my favourite new features is ... formatted-strings-f-strings-so-slow-in-python-3-6-alpha-now...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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803 views

1 answer

core data - How to access CoreData model in today extension (iOS)

Is it possible to work with my CoreData model in the today extension in swift like in the original app? ... questions/25407428/how-to-access-coredata-model-in-today-extension-ios...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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131 views

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java - Why do I need a functional Interface to work with lambdas?

I think this question is already somewhere out there, but I wasn't able to find it. I don't understand, why ... /33010594/why-do-i-need-a-functional-interface-to-work-with-lambdas...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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158 views

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ios - Cookie sharing between multiple WKWebViews

I create a few WkWebViews in my app, but when cookies are set for one webview, they do not ... ://stackoverflow.com/questions/25797972/cookie-sharing-between-multiple-wkwebviews...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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388 views

1 answer

scala - How to get a list with the Typesafe config library

I'm trying in Scala to get a list from a config file like something.conf with TypeSafe. In something.conf I ... /17913215/how-to-get-a-list-with-the-typesafe-config-library...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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114 views

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How to check that a Ruby file is empty?

I have a text file for example. What is the best way to check in Ruby that a file is empty? File.size(' ... .com/questions/15982281/how-to-check-that-a-ruby-file-is-empty...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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427 views

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Is is possible to export functions from a C# DLL like in VS C++?

In VS C/C++ you could use extern "C" __declspec(dllexport) -function declaration-. How do I accomplish this in a C# ... possible-to-export-functions-from-a-c-sharp-dll-like-in-vs-c...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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181 views

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sql server - SQL Query to search schema of all tables

I am working on a SQL Server 2008 Db that has many tables in it (around 200). Many of these tables ... stackoverflow.com/questions/1266960/sql-query-to-search-schema-of-all-tables...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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206 views

1 answer

Adding existing source code folder to Git

I am new to Git. I want to add an existing source code folder to Git, but based on the little ... /stackoverflow.com/questions/6913519/adding-existing-source-code-folder-to-git...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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353 views

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Rails Internationalization (I18n) in model validations: Possible or not?

I have the following validation in a model: validates_inclusion_of :whatever, :in => [true, false], ... /rails-internationalization-i18n-in-model-validations-possible-or-not...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Class name does not name a type in C++

I just started programming in C++, and I've tried to create 2 classes where one will contain the other. File A.h ... .com/questions/3608305/class-name-does-not-name-a-type-in-c...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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201 views

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c# - "The parameters dictionary contains a null entry for parameter" - How to fix?

I am trying to implement an edit page in order administrator to modify data in database.Unfortunately I am ... dictionary-contains-a-null-entry-for-parameter-how-to-fix...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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149 views

1 answer

ruby on rails - Simple cropping with Paperclip

I would like to crop images on upload using Paperclip to get square thumbs from the center of the ... https://stackoverflow.com/questions/1017509/simple-cropping-with-paperclip...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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297 views

1 answer

iptables: how to delete postrouting rule?

(Closed.) This question is off-topic. It is not currently accepting answers. question from:https://stackoverflow.com/questions/8239047/iptables-how-to-delete-postrouting-rule...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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129 views

1 answer

Can I set an environment variable for an application using a shortcut in Windows?

I have a feeling I should be able add a directory to the PATH environment variable on an application- ... environment-variable-for-an-application-using-a-shortcut-in-windows...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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367 views

1 answer

.net - Use XDocument as the source for XmlSerializer.Deserialize?

I would like to invoke XmlSerializer.Deserialize passing it an XDocument. It can take a Stream, an XmlReader ... /1295046/use-xdocument-as-the-source-for-xmlserializer-deserialize...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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