大约有 40,000 项符合查询结果（耗时：0.0572秒） [XML]
What's a standard way to do a no-op in python?
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Split value from one field to two
... the one described in the following article:
MySQL Split String Function by Federico Cargnelutti
With that function:
DELIMITER $$
CREATE FUNCTION SPLIT_STR(
x VARCHAR(255),
delim VARCHAR(12),
pos INT
)
RETURNS VARCHAR(255) DETERMINISTIC
BEGIN
RETURN REPLACE(SUBSTRING(SUBSTRING_INDE...
What is a good choice of database for a small .NET application? [closed]
...o have other software installed like Access or SQL Server. Also, as stated by danielkza below, "SQLite is public domain, so you don't have to worry at all about licensing." That can really make a big difference.
You can use System.Data.SQLite or csharp-sqlite to access it in a C# app using the sam...
Rails migrations: self.up and self.down versus change
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CUDA incompatible with my gcc version
... to use the correct version of gcc without passing any compiler parameters by adding softlinks to the bin directory created with the nvcc install.
The default cuda binary directory (the installation default) is /usr/local/cuda/bin, adding a softlink to the correct version of gcc from this directory...
Twig: in_array or similar possible within if statement?
...
These two points seem to have been covered by the comments on the accepted answer back in 2012. This answer doesn't seem to add anything extra.
– William Isted
Aug 18 '16 at 14:43
...
How do I get a PHP class constructor to call its parent's parent's constructor?
...{
}
}
class Papa extends Grandpa
{
public function __construct($bypass = false)
{
// only perform actions inside if not bypassing
if (!$bypass) {
}
// call Grandpa's constructor
parent::__construct();
}
}
class Kiddo extends Papa
{
pub...
In Xcode, how to suppress all warnings in specific source files?
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Join strings with a delimiter only if strings are not null or empty
...vaScript/Reference/Functions/arguments)
// So we construct a new array by iterating through the arguments object
var argsLength = arguments.length,
strings = [];
// Iterate through the arguments object skipping separator arg
for (var i = 1, j = 0; i < argsLength; ++i) {
...
Hidden features of Python [closed]
...to get a regex wrong.
Fortunately, python can print the regex parse tree, by passing the undocumented, experimental, hidden flag re.DEBUG (actually, 128) to re.compile.
>>> re.compile("^\[font(?:=(?P<size>[-+][0-9]{1,2}))?\](.*?)[/font]",
re.DEBUG)
at at_beginning
literal 91
lit...