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javascript - When should I use a return statement in ES6 arrow functions

The new ES6 arrow functions say return is implicit under some circumstances: The expression is also the implicit ... to use return with ES6 arrow functions? Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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How do I tokenize a string in C++?

Java has a convenient split method: String str = "The quick brown fox"; String[] results = str.split(" "); Is there an easy way to do this in C++? Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Change date format in a Java string

I've a String representing a date. String date_s = "2011-01-18 00:00:00.0"; I'd like to convert it to a ... of the desired 2011-01-18. What am I doing wrong? Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Encode URL in JavaScript?

How do you safely encode a URL using JavaScript such that it can be put into a GET string? var myUrl = " ... to encode the myUrl variable on that second line? Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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How do I create a Java string from the contents of a file?

I've been using the idiom below for some time now. And it seems to be the most wide-spread, at least on the ... toString(); } finally { reader.close(); } } Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Single line with multiple commands using Windows batch file

I try to understand how multiple commands in a single command line in a batch file work. dir & md folder1 & ... in other batch files? How to do that? Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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How do I call Objective-C code from Swift?

In Swift, how does one call Objective-C code? Apple mentioned that they could co-exist in one application, ... Objective-C whilst building new classes in Swift? Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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regex - Regular expression to match balanced parentheses

I need a regular expression to select all the text between two outer brackets. Example: some text(text here( ... possible text)text(possible text(more text))) Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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html - Max parallel HTTP connections in a browser?

I am creating some suspended connections to an HTTP server (comet, reverse AJAX, etc). It works ok, but I ... just picked 24 connections/Firefox as an example. Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Can scripts be inserted with innerHTML?

I tried to load some scripts into a page using innerHTML on a <div>. It appears that the script loads into the DOM, but ... id="loader"></div> </body> </html> Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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assembly - What happens if you use the 32-bit int 0x80 Linux ABI in 64-bit code?

int 0x80 on Linux always invokes the 32-bit ABI, regardless of what mode it's called from: args in ebx, ecx, . ... Does it work if you pass it 32-bit pointers? Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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How do I remove a property from a JavaScript object?

Say I create an object as follows: let myObject = { "ircEvent": "PRIVMSG", "method": "newURI", "regex": "^http ... "ircEvent": "PRIVMSG", "method": "newURI" }; Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c++ - What is the most effective way for float and double comparison?

What would be the most efficient way to compare two double or two float values? Simply doing this is not ... . Does anyone know a smarter float comparer? Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How do I import the javax.servlet / jakarta.servlet API in my Eclipse project?

I want to develop with Servlets in Eclipse, but it says that the package javax.servlet / jakarta.servlet ... / jakarta.servlet package to my Eclipse project? Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Error: could not find function ... in R

This is meant to be a FAQ question, so please be as complete as possible. The answer is a community answer, so feel ... of error in R, how can you solve it? Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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php - mysqli or die, does it have to die?

If I use a bit of code like this: $update_result = mysqli_query( $link , $sql_update_login ) or die (' ... in the documentation, any clues are appreciated. Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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batch file - Why is no string output with 'echo %var%' after using 'set var = text' command in cmd?

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

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - Custom Adapter for List View

I want to create a custom adapter for my list view. Is there any article that can walk me through how to create one and also explain how it works? Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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How do I add files in Git to the path of a former submodule?

I have a project that used to contain a submodule, at path mysubmodule. I installed the latest Git from source (1. ... 'mysubmodule' error. How do I fix this? Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Can you provide some examples of why it is hard to parse XML and HTML with a regex?

Closed. This question needs to be more focused. It is not currently accepting answers. Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c++ - Templated check for the existence of a class member function?

Is it possible to write a template that changes behavior depending on if a certain member function is defined on a ... how to do is the "FUNCTION_EXISTS" part. Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - What does the comma operator , do?

What does the , operator do in C? Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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94 views

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Web-scraping JavaScript page with Python

I'm trying to develop a simple web scraper. I want to extract text without the HTML code. In fact, I ... 'm looking for some ideas to solve this problem. Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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159 views

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Use dynamic variable names in JavaScript

In PHP you can do amazing/horrendous things like this: $a = 1; $b = 2; $c = 3; $name = 'a'; echo ... can I get a reference to the variable with name name? Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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JavaScript post request like a form submit

I'm trying to direct a browser to a different page. If I wanted a GET request, I might say document.location.href = ... nor use XML, so Ajax is not the answer. Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - How to format numbers as currency strings

I would like to format a price in JavaScript. I'd like a function which takes a float as an argument and returns a ... 500.00" What's the best way to do this? Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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93 views

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javascript - JQuery - $ is not defined

I have a simple jquery click event <script type="text/javascript"> $(function() { $('#post').click( ... have checked and checked again, please advise! :/ Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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obfuscation - How can I obfuscate (protect) JavaScript?

Closed. This question needs to be more focused. It is not currently accepting answers. Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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