大约有 5,880 项符合查询结果（耗时：0.0263秒） [XML]
SQL parser library for Java [closed]
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JSqlParser
Presto's parser is written using ANTLR4 and has its own immutable AST classes that are built from the parser. The AST has a visitor and pretty printer.
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Selecting only numeric columns from a data frame
...e code to other answers:
x[, sapply(x, class) == "numeric"]
with a data.table
x[, lapply(x, is.numeric) == TRUE, with = FALSE]
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How to sort findAll Doctrine's method?
... must tell your entity to look for queries in the repository:
/**
* @ORM\Table(name="User")
* @ORM\Entity(repositoryClass="Acme\UserBundle\Entity\Repository\UserRepository")
*/
class User
{
...
}
Finally, in your controller:
$this->getDoctrine()->getRepository('AcmeBundle:User')->...
Responsive image align center bootstrap 3
I do a catalog using Bootstrap 3. When displayed on tablets, the product images look ugly because of their small size (500x500) and a width of 767 pixels in the browser. I want to put the image in the center of the screen, but for some reason I can not. Who be will help solve the problem?
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Good tool to visualise database schema? [closed]
...nge function in MySQL Workbench. It may save you from manually moving the tables around.
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How do I right align controls in a StatusStrip?
... This will work ONLY if StatusStrip.LayoutStyle == ToolStripLayoutStyle.Table (which is the default one)
– AZ.
Jul 31 '12 at 22:32
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Why does parseInt(1/0, 19) return 18?
...es as if you called parseInt("I", 19), which converts to decimal 18 by the table above.
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Undefined reference to pthread_create in Linux
...EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -pthread") before the add_executable command. This will instruct the linker to do the same (see CMAKE_EXE_LINKER_FLAGS and SET documentation for more help).
– avneesh mishra
Sep 10 at 7:13
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Where to learn about VS debugger 'magic names'
... suffix ("current", "state", and so on) so that you don't have to have the table above memorized when reading the metadata.
I is an optional unique number
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Best way to test for a variable's existence in PHP; isset() is clearly broken
...didate for a terminal value because some_function has an extremely unpredictable return type (which is probably a bad sign in itself), then an additional boolean value, e.g. $found, could be used instead.
Thought experiment one: the very_null constant
PHP could theoretically provide a special cons...