大约有 44,000 项符合查询结果(耗时:0.0362秒) [XML]

https://stackoverflow.com/ques... 

What is “export default” in javascript?

...15.2 and the export syntax in particular is defined in §15.2.3 of the ECMAScript 2015 specification. share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

How to determine the current shell I'm working on

... Thanks. I found this the best option to use in a script to guard bash specific commands test `ps -p $$ -ocomm=` == "bash" && do_something_that_only_works_in_bash. (The next line in my script has the equivalent for csh.) – craq ...
https://stackoverflow.com/ques... 

What does $_ mean in PowerShell?

... to the pipeline. It's more a "current argument to the currently executing script block". For example while you can use it just fine in ForEach-Object or Where-Object you can't use it in something like Get-Foo|Add-Member NoteProperty Bar ($_.SomeProperty) – there's a pipeline involved, but no scri...
https://stackoverflow.com/ques... 

Check if passed argument is file or directory in Bash

I'm trying to write an extremely simple script in Ubuntu which would allow me to pass it either a filename or a directory, and be able to do something specific when it's a file, and something else when it's a directory. The problem I'm having is when the directory name, or probably files too, has s...
https://stackoverflow.com/ques... 

py2exe - generate single executable file

...ates one compressed file for easy distribution. Here is a more complete description of the bundle_file option quoted directly from the py2exe site* Using "bundle_files" and "zipfile" An easier (and better) way to create single-file executables is to set bundle_files to 1 or 2, and to s...
https://stackoverflow.com/ques... 

How to create and write to a txt file using VBA

... To elaborate on Ben's answer: If you add a reference to Microsoft Scripting Runtime and correctly type the variable fso you can take advantage of autocompletion (Intellisense) and discover the other great features of FileSystemObject. Here is a complete example module: Option Explicit ...
https://stackoverflow.com/ques... 

Check existence of directory and create if doesn't exist

I often find myself writing R scripts that generate a lot of output. I find it cleaner to put this output into it's own directory(s). What I've written below will check for the existence of a directory and move into it, or create the directory and then move into it. Is there a better way to approach...
https://stackoverflow.com/ques... 

How to Convert JSON object to Custom C# object?

... Since we all love one liners code Newtonsoft is faster than java script serializer. ... this one depends on the Newtonsoft NuGet package, which is popular and better than the default serializer. if we have class then use below. Mycustomclassname oMycustomclassname = Newtonsoft.Json.Json...
https://stackoverflow.com/ques... 

Logical operator in a handlebars.js {{#if}} conditional

...}); Use it in a template like this: {{#ifCond var1 '==' var2}} Coffee Script version Handlebars.registerHelper 'ifCond', (v1, operator, v2, options) -> switch operator when '==', '===', 'is' return if v1 is v2 then options.fn this else options.inverse this wh...
https://stackoverflow.com/ques... 

Getting the last argument passed to a shell script

$1 is the first argument. $@ is all of them. 27 Answers 27 ...