大约有 47,000 项符合查询结果（耗时：0.0850秒） [XML]
Select row with most recent date per user
I have a table ("lms_attendance") of users' check-in and out times that looks like this:
11 Answers
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Get class name using jQuery
I want to get the class name using jQuery
19 Answers
19
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Split a List into smaller lists of N size
I am attempting to split a list into a series of smaller lists.
17 Answers
17
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How do I handle too long index names in a Ruby on Rails ActiveRecord migration?
I am trying to add an unique index that gets created from the foreign keys of four associated tables:
9 Answers
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Confirm deletion in modal / dialog using Twitter Bootstrap?
...HTML table of rows tied to database rows. I'd like to have a "delete row" link for each row, but I would like to confirm with the user beforehand.
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DISTINCT for only one column
Let's say I have the following query.
8 Answers
8
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HTML.ActionLink method
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I think what you want is this:
ASP.NET MVC1
Html.ActionLink(article.Title,
"Login", // <-- Controller Name.
"Item", // <-- ActionMethod
new { id = article.ArticleID }, /...
Is it a bad practice to use negative margins in Android?
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In 2010, @RomainGuy (core Android engineer) stated that negative margins had unspecified behavior.
In 2011, @RomainGuy stated that you can use negative margins on LinearLayout and RelativeLayout.
In 2016, @RomainGuy stated ...
SQL WHERE condition is not equal to?
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You can do like this
DELETE FROM table WHERE id NOT IN ( 2 )
OR
DELETE FROM table WHERE id <> 2
As @Frank Schmitt noted, you might want to be careful about the NULL values too. If you want to delete everything which is not 2(including the NULLs) then add OR id IS...
Read Excel File in Python
...ne approach:
from xlrd import open_workbook
class Arm(object):
def __init__(self, id, dsp_name, dsp_code, hub_code, pin_code, pptl):
self.id = id
self.dsp_name = dsp_name
self.dsp_code = dsp_code
self.hub_code = hub_code
self.pin_code = pin_code
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