大约有 44,000 项符合查询结果（耗时：0.0989秒） [XML]
Convert int to string?
...se type safety. myInt could be anything. Nothing here says take an integer and convert it to a string. myInt could be an object and an object can't be converted to a string. That's known at compile time, but it wouldn't even raise a runtime exception it would just allow bad data.
...
How do I add the contents of an iterable to a set?
...
Just looked back at my interpreter session and I actually tried this, but thought that it had added the whole list as an element of the set because of the square brackets in the representation of the set. I had never noticed before that they're represented like that.
...
Shorten string without cutting words in JavaScript
I'm not very good with string manipulation in JavaScript, and I was wondering how you would go about shortening a string without cutting any word off. I know how to use substring, but not indexOf or anything really well.
...
Regex Match all characters between two strings
...mple
(?<=This is)(.*)(?=sentence)
Regexr
I used lookbehind (?<=) and look ahead (?=) so that "This is" and "sentence" is not included in the match, but this is up to your use case, you can also simply write This is(.*)sentence.
The important thing here is that you activate the "dotall" mo...
TimeSpan ToString format
...ormatted text with apostrophes: "dd'days spent'". Here dd is peace of data and 'days spent' your own text'
– Pavel Shkleinik
Dec 11 '13 at 12:26
add a comment
...
The way to check a HDFS directory's size?
...
Prior to 0.20.203, and officially deprecated in 2.6.0:
hadoop fs -dus [directory]
Since 0.20.203 (dead link) 1.0.4 and still compatible through 2.6.0:
hdfs dfs -du [-s] [-h] URI [URI …]
You can also run hadoop fs -help for more info and...
How do I get the current date and time in PHP?
...
OP never asked about timezone. A simpler and more correct answer would simply show server time.
– AyexeM
Feb 21 '14 at 16:38
44
...
Sublime Text 2: How to delete blank/empty lines
...
Select the text
Press:
Ctrl + H on PC, or
Command + Alt + F on Mac or
Click Find->Replace.
Make sure you have selected 'regular expression' by pressing:
Alt + R on PC or
Command + Alt + R on Mac or
Click .* in the Find box.
Find what: ^\n or ^(\r|\n\r?)
Replace Wit...
How to hash a string into 8 digits?
Is there anyway that I can hash a random string into a 8 digit number without implementing any algorithms myself?
4 Answers...
What is the easiest/best/most correct way to iterate through the characters of a string in Java?
StringTokenizer ? Convert the String to a char[] and iterate over that? Something else?
15 Answers
...