大约有 8,200 项符合查询结果（耗时：0.0339秒） [XML]
Add a number to each selection in Sublime Text 2, incremented once per selection
Is there a way to add insert a number that is incremented once per cursor in Sublime Text 2?
3 Answers
...
How to validate an email address in JavaScript
Is there a regular expression to validate an email address in JavaScript?
95 Answers
9...
Turning multi-line string into single comma-separated
...
You can use awk and sed:
awk -vORS=, '{ print $2 }' file.txt | sed 's/,$/\n/'
Or if you want to use a pipe:
echo "data" | awk -vORS=, '{ print $2 }' | sed 's/,$/\n/'
To break it down:
awk is great at handling data broken down into fields
-vORS=, sets the "ou...
How to include “zero” / “0” results in COUNT aggregate?
I've just got myself a little bit stuck with some SQL. I don't think I can phrase the question brilliantly - so let me show you.
...
Access props inside quotes in React JSX
In JSX, how do you reference a value from props from inside a quoted attribute value?
9 Answers
...
What is private bytes, virtual bytes, working set?
I am trying to use the perfmon windows utility to debug memory leaks in a process.
4 Answers
...
Case objects vs Enumerations in Scala
Are there any best-practice guidelines on when to use case classes (or case objects) vs extending Enumeration in Scala?
1...
Ruby Regexp group matching, assign variables on 1 line
I'm currently trying to rexp a string into multiple variables. Example string:
5 Answers
...
How to remove all white spaces in java [duplicate]
I have a programming assignment and part of it requires me to make code that reads a line from the user and removes all the white space within that line.
the line can consist of one word or more.
...
Can I set variables to undefined or pass undefined as an argument?
I’m a bit confused about JavaScript’s undefined and null values.
10 Answers
10...