大约有 47,000 项符合查询结果（耗时：0.0655秒） [XML]
Regex expressions in Java, \\s vs. \\s+
..., it makes no difference, since you are replacing everything with an empty string (although it would be better to use \\s+ from an efficiency point of view). If you were replacing with a non-empty string, the two would behave differently.
...
Is there an easy way to return a string repeated X number of times?
I'm trying to insert a certain number of indentations before a string based on an items depth and I'm wondering if there is a way to return a string repeated X times. Example:
...
Insert a string at a specific index
How can I insert a string at a specific index of another string?
18 Answers
18
...
Add a prefix string to beginning of each line
...
@BinChen escape the / like \/ (in single-quoted strings) or \\/ (in double-quoted strings)
– user6516765
Mar 28 '17 at 5:23
8
...
How to get current time and date in Android
...u do
Time time = new Time(); time.setToNow();
Log.d("TIME TEST", Long.toString(time.toMillis(false)));
... do something that takes more than one millisecond, but less than one second ...
The resulting sequence will repeat the same value, such as 1410543204000, until the next second has started,...
What exactly does the .join() method do?
...d by .join() which I have read is the preferred method for concatenating strings.
9 Answers
...
Difference between Pig and Hive? Why have both? [closed]
...y background - 4 weeks old in the Hadoop world. Dabbled a bit in Hive, Pig and Hadoop using Cloudera's Hadoop VM. Have read Google's paper on Map-Reduce and GFS ( PDF link ).
...
Practical example where Tuple can be used in .Net 4.0?
...ement a currency exchange mapping:
var forex = new Dictionary<Tuple<string, string>, decimal>();
forex.Add(Tuple.Create("USD", "EUR"), 0.74850m); // 1 USD = 0.74850 EUR
forex.Add(Tuple.Create("USD", "GBP"), 0.64128m);
forex.Add(Tuple.Create("EUR", "USD"), 1.33635m);
forex.Add(Tuple.Crea...
Python code to remove HTML tags from a string [duplicate]
...ML modules built in. The simplest one for the case that you already have a string with the full HTML is xml.etree, which works (somewhat) similarly to the lxml example you mention:
def remove_tags(text):
return ''.join(xml.etree.ElementTree.fromstring(text).itertext())
...
C# '@' before a String [duplicate]
...
It means to interpret the string literally (that is, you cannot escape any characters within the string if you use the @ prefix). It enhances readability in cases where it can be used.
For example, if you were working with a UNC path, this:
@"\\serv...