大约有 42,000 项符合查询结果(耗时:0.0530秒) [XML]

https://stackoverflow.com/ques... 

How to create a .jar file or export jar on IntelliJ (like eclipse java archive export) [duplicate]

...t to create a jar file from java compiled class files. but I not found command or file, How to create a jar file (like eclipse java archive export) ...
https://stackoverflow.com/ques... 

What linux shell command returns a part of a string? [duplicate]

I want to find a linux command that can return a part of the string. In most programming languages, it's the substr() function. Does bash have any command that can be used for this purpose. I want to be able to do something like this... substr "abcdefg" 2 3 - prints cde . ...
https://stackoverflow.com/ques... 

What's the most elegant way to cap a number to a segment? [closed]

Let's say x , a and b are numbers. I need to cap x to the bounds of the segment [a, b] . 10 Answers ...
https://stackoverflow.com/ques... 

How to catch integer(0)?

.... True, but I don't think there's much of a performance issue either way, and length(x) == 0L reads more clearly to me. – Richie Cotton Jun 24 '11 at 10:04 ...
https://stackoverflow.com/ques... 

Using isKindOfClass with Swift

I'm trying to pick up a bit of Swift lang and I'm wondering how to convert the following Objective-C into Swift: 5 Answers ...
https://stackoverflow.com/ques... 

What's Mongoose error Cast to ObjectId failed for value XXX at path “_id”?

When sending a request to /customers/41224d776a326fb40f000001 and a document with _id 41224d776a326fb40f000001 does not exist, doc is null and I'm returning a 404 : ...
https://stackoverflow.com/ques... 

Get string between two strings in a string

...ndex + fromLength, comparison) from strings like „AB” where A is from and B is until, so I removed + fromLength. I haven't tested it deeply though – Adrian Iftode Oct 16 '13 at 11:21 ...
https://stackoverflow.com/ques... 

How to set commands output as a variable in a batch file

... FOR /F "tokens=* USEBACKQ" %%F IN (`command`) DO ( SET var=%%F ) ECHO %var% I always use the USEBACKQ so that if you have a string to insert or a long file name, you can use your double quotes without screwing up the command. Now if your output will contain mult...
https://stackoverflow.com/ques... 

Multiple levels of 'collection.defaultdict' in Python

...possibilities offered by collections.defaultdict , notably in readability and speed. I have put them to use with success. ...
https://stackoverflow.com/ques... 

Checking if output of a command contains a certain string in a shell script

I'm writing a shell script, and I'm trying to check if the output of a command contains a certain string. I'm thinking I probably have to use grep, but I'm not sure how. Does anyone know? ...