大约有 44,000 项符合查询结果（耗时：0.0345秒） [XML]
NOT IN vs NOT EXISTS
...llow NULLs the NOT IN will be treated identically to the following query.
SELECT ProductID,
ProductName
FROM Products p
WHERE NOT EXISTS (SELECT *
FROM [Order Details] od
WHERE p.ProductId = od.ProductId)
The exact plan may vary but for my examp...
Removing an item from a select box
How do I remove items from, or add items to, a select box? I'm running jQuery, should that make the task easier. Below is an example select box.
...
Handling a colon in an element ID in a CSS selector [duplicate]
... to thank you and give you a little upvote.
– Dwayne Charrington
Oct 28 '11 at 0:12
8
This answer...
What's faster, SELECT DISTINCT or GROUP BY in MySQL?
...'t, then use DISTINCT.
GROUP BY in MySQL sorts results. You can even do:
SELECT u.profession FROM users u GROUP BY u.profession DESC
and get your professions sorted in DESC order.
DISTINCT creates a temporary table and uses it for storing duplicates. GROUP BY does the same, but sortes the disti...
Android ViewPager with bottom dots
...droid:layout_height="wrap_content"
app:tabBackground="@drawable/tab_selector"
app:tabGravity="center"
app:tabIndicatorHeight="0dp"/>
</RelativeLayout>
Hook up your UI elements inactivity or fragment as follows:
Java Code:
mImageViewPager = (ViewPager) findViewById(R.id...
Output first 100 characters in a string
...indicate extra information with ellipses. So, if your field is one hundred characters, I would use:
if len(s) <= 100:
print s
else:
print "%s..."%(s[:97])
And yes, I know () is superfluous in this case for the % formatting operator, it's just my style.
...
Is cout synchronized/thread-safe?
...cent version of MSVC (currently for VS 2010/MSVC 10/cl.exe 16.x). You can select the information for older versions of MSVC using a dropdown control on the page (and the information is different for older versions).
share
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How to select rows that have current day's timestamp?
I am trying to select only today's records from a database table.
9 Answers
9
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How to go about formatting 1200 to 1.2k in java
...tem.out.println(n + " => " + coolFormat(n, 0));
}
}
private static char[] c = new char[]{'k', 'm', 'b', 't'};
/**
* Recursive implementation, invokes itself for each factor of a thousand, increasing the class on each invokation.
* @param n the number to format
* @param iteration in fact ...
Search text in stored procedure in SQL Server
...t the schema name by adding SCHEMA_NAME(o.schema_id) AS Schema_Name to the select clause.
– patricus
Jul 7 '16 at 15:07
6
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