大约有 30,000 项符合查询结果（耗时：0.0361秒） [XML]
Rails raw SQL example
...ql = "Select * from ... your sql query here"
records_array = ActiveRecord::Base.connection.execute(sql)
records_array would then be the result of your sql query in an array which you can iterate through.
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Is there a way to access an iteration-counter in Java's for-each loop?
...r this is that the for-each loop internally does not have a counter; it is based on the Iterable interface, i.e. it uses an Iterator to loop through the "collection" - which may not be a collection at all, and may in fact be something not at all based on indexes (such as a linked list).
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MongoDB SELECT COUNT GROUP BY
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I need some extra operation based on the result of aggregate function. Finally I've found some solution for aggregate function and the operation based on the result in MongoDB. I've a collection Request with field request, source, status, requestDate.
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How to access outer class from an inner class?
... add metaclass
_METACLASS_ = '_metaclass_helper_'
def with_metaclass(meta, base=object):
return meta(_METACLASS_, (base,), {})
class OuterMeta(type):
def __new__(mcs, name, parents, dct):
cls = super(OuterMeta, mcs).__new__(mcs, name, parents, dct)
for klass in dct.values()...
NuGet behind a proxy
...ydomain\myUserName" />
<add key="http_proxy.password" value="base64encodedHopefullyEncryptedPassword" />
</config>
<!-- stuff -->
</configuration>
Incidentally, this also fixed my issue with NuGet only working the first time I hit the package source in Vi...
The Use of Multiple JFrames: Good or Bad Practice? [closed]
...veloping an application which displays images, and plays sounds from a database. I'm trying to decide whether or not to use a separate JFrame to add images to the database from the GUI.
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What size should TabBar images be?
...lines:
@1x : about 25 x 25 (max: 48 x 32)
@2x : about 50 x 50 (max: 96 x 64)
@3x : about 75 x 75 (max: 144 x 96)
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Are (non-void) self-closing tags valid in HTML5?
...th most of the inconveniences of XML), while it makes it harder to use XML-based tools (e.g. template tools or various processors). Even from a generation point of view, it would seem that <object data="..." /> and <img src="..."></src> are not OK, while <object data="...">&l...
Difference between a Structure and a Union
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@user12345613 unions can be used as a sort of base class for structs. You can emulate an OO hierarchy using unions of structs
– Morten Jensen
Mar 12 '13 at 21:57
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What is the __DynamicallyInvokable attribute for?
... comment on the OP's Q - one case where the CLR seems to be doing trickery based on this is in the handling 'slight' moves of methods (e.g. down one level onto a new base class) under unification
– Ruben Bartelink
Feb 13 '13 at 13:29
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