大约有 40,740 项符合查询结果(耗时:0.0720秒) [XML]

https://stackoverflow.com/ques... 

Meaning of “[: too many arguments” error from if [] (square brackets)

I couldn't find any one simple straightforward resource spelling out the meaning of and fix for the following BASH shell error, so I'm posting what I found after researching it. ...
https://stackoverflow.com/ques... 

Using String Format to show decimal up to 2 places or simple integer

I have got a price field to display which sometimes can be either 100 or 100.99 or 100.9, What I want is to display the price in 2 decimal places only if the decimals are entered for that price , for instance if its 100 so it should only show 100 not 100.00 and if the price is 100.2 it should displa...
https://stackoverflow.com/ques... 

How to convert enum value to int?

I have a function which return a type int. However, I only have a value of the TAX enumeration. 7 Answers ...
https://stackoverflow.com/ques... 

How to semantically add heading to a list

This has been bothering me for a while, and I'm wondering if there's any consensus on how to do this properly. When I'm using an HTML list, how do I semantically include a header for the list? ...
https://stackoverflow.com/ques... 

commands not found on zsh

I am using the z Shell ( zsh ) instead of the default bash, and something wrong happen so that all commands who used to work are no longer recognized: ...
https://stackoverflow.com/ques... 

AWS Error Message: A conflicting conditional operation is currently in progress against this resourc

I'm getting this error intermittently. 7 Answers 7 ...
https://stackoverflow.com/ques... 

console.log timestamps in Chrome?

Is there any quick way of getting Chrome to output timestamps in console.log writes (like Firefox does). Or is prepending new Date().getTime() the only option? ...
https://stackoverflow.com/ques... 

Singleton pattern in nodejs - is it needed?

I recently came across this article on how to write a singleton in Node.js. I know the documentation of require states that: ...
https://stackoverflow.com/ques... 

Python os.path.join on Windows

I am trying to learn python and am making a program that will output a script. I want to use os.path.join, but am pretty confused. According to the docs if I say: ...
https://stackoverflow.com/ques... 

Find and extract a number from a string

I have a requirement to find and extract a number contained within a string. 29 Answers ...