大约有 44,000 项符合查询结果(耗时:0.0558秒) [XML]
Use dynamic (variable) string as regex pattern in JavaScript
...
this is great and the best example Ive found so far of using a dynamic variable in a regex, thanks!
– Eolis
Jul 28 '15 at 17:16
...
Java - Convert integer to string [duplicate]
...alueOf(number) (my preference)
"" + number (I don't know how the compiler handles it, perhaps it is as efficient as the above)
Integer.toString(number)
share
|
improve this answer
|
...
How to remove the last character from a string?
...
@Marko lol yes since it's the standard, feels odd when people make their own stuff up.
– SSpoke
Jun 26 '14 at 19:15
28
...
How to check a not-defined variable in JavaScript
...nly be done with try/catch, since typeof will treat an undeclared variable and a variable declared with the value of undefined as equivalent.
But, to check if a variable is declared and is not undefined:
if (yourvar !== undefined) // Any scope
Previously, it was necessary to use the typeof opera...
Insert an element at a specific index in a list and return the updated list
... If you can't tolerate 3 lines of readable code, put it in a function and call it.
– IceArdor
Aug 1 '14 at 21:06
add a comment
|
...
How to see which flags -march=native will activate?
...get doesn't display CPU cache information, of which the methods both elias and 42n4 below have listed. Specifically, on gcc 4.9.2 on a Phenom, the output includes these: --param l1-cache-size=64 --param l1-cache-line-size=64 --param l2-cache-size=512
– Daniel Santos
...
How to filter Android logcat by application? [duplicate]
How can I filter Android logcat output by application? I need this because when I attach a device, I can't find the output I want due to spam from other processes.
...
How do I measure execution time of a command on the Windows command line?
Is there a built-in way to measure execution time of a command on the Windows command line?
30 Answers
...
What is C# analog of C++ std::pair?
...
Tuples are available since .NET4.0 and support generics:
Tuple<string, int> t = new Tuple<string, int>("Hello", 4);
In previous versions you can use System.Collections.Generic.KeyValuePair<K, V> or a solution like the following:
public ...
How do I search an SQL Server database for a string?
...abase that you want to search in.
The Ten Most Asked SQL Server Questions And Their Answers:
CREATE PROCEDURE FindMyData_String
@DataToFind NVARCHAR(4000),
@ExactMatch BIT = 0
AS
SET NOCOUNT ON
DECLARE @Temp TABLE(RowId INT IDENTITY(1,1), SchemaName sysname, TableName sysname, ColumnName ...