大约有 47,000 项符合查询结果（耗时：0.0494秒） [XML]
nodejs get file name from absolute path?
...ed by the example in your question, you could keep it simple and split the string by separator:
'/foo/bar/baz/asdf/quux.html'.split('/').pop()
That would be faster (and cleaner imo) than replacing by regular expression.
Again: Only do this if you're writing for a specific environment, otherwise ...
How to extract a substring using regex
I have a string that has two single quotes in it, the ' character. In between the single quotes is the data I want.
13 An...
Should all Python classes extend object?
...e data model. Can it be seriously argued that str does not always accept a string as an argument because one could assign builtins.str = None?
– Nuno André
Dec 8 '18 at 14:26
...
How can I append a string to an existing field in MySQL?
...
You need to use the CONCAT() function in MySQL for string concatenation:
UPDATE categories SET code = CONCAT(code, '_standard') WHERE id = 1;
share
|
improve this answer
...
Is it possible to forward-declare a function in Python?
...turally it makes little sense to have it afterwards), one can just store a string and try to call the function later.
share
|
improve this answer
|
follow
|
...
How to suppress scientific notation when printing float values?
...ate
Starting in Python 3.6, this can be simplified with the new formatted string literal, as follows:
>>> f'{a:.20f}'
'-0.00000000000000007186'
share
|
improve this answer
|
...
How to get the type of T from a member of a generic class or method?
...;(this IEnumerable<T> _)
{
return typeof(T);
}
Usage:
List<string> list = new List<string> { "a", "b", "c" };
IEnumerable<string> strings = list;
IEnumerable<object> objects = list;
Type listType = list.GetListType(); // string
Type string...
How to convert JSON to XML or XML to JSON?
I started to use Json.NET to convert a string in JSON format to object or viceversa. I am not sure in the Json.NET framework, is it possible to convert a string in JSON to XML format and viceversa?
...
How does MongoDB sort records when no sort order is specified?
...natural order) is an undefined implementation detail. Maintaining order is extra overhead for storage engines and MongoDB's API does not mandate predictability outside of an explicit sort() or the special case of fixed-sized capped collections which have associated usage restrictions. For typical wo...
How to send SMS in Java
...lPortEventListener,
CommPortOwnershipListener {
private static String comPort = "COM6"; // This COM Port must be connect with GSM Modem or your mobile phone
private String messageString = "";
private CommPortIdentifier portId = null;
private Enumeration portList;
priv...