大约有 35,480 项符合查询结果(耗时:0.0477秒) [XML]
How to find current transaction level?
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Run this:
SELECT CASE transaction_isolation_level
WHEN 0 THEN 'Unspecified'
WHEN 1 THEN 'ReadUncommitted'
WHEN 2 THEN 'ReadCommitted'
WHEN 3 THEN 'Repeatable'
WHEN 4 THEN 'Serializable'
WHEN 5 THEN 'Snapshot' END AS TRANSACTION_ISOLATION_LEVEL
FROM sys.dm_exec_sessions
whe...
Difference between $(document.body) and $('body')
...venemajvenema
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Member initialization while using delegated constructor
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edited Aug 30 '12 at 5:34
answered Aug 30 '12 at 4:55
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SQL Server IIF vs CASE
...ently came to know about the availability of IIF function in SQL Server 2012. I always use nested CASE in my queries. I want to know the exact purpose of the IIF statement and when should we prefer using IIF over CASE Statement in the query.
I mostly use nested CASE in my queries.
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Wait for all promises to resolve
...ergiBergi
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2
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Efficient paging in SQLite with millions of records
... *
FROM MyTable
WHERE SomeColumn > LastValue
ORDER BY SomeColumn
LIMIT 100;
(This is explained with more detail on the SQLite wiki.)
When you have multiple sort columns (and SQLite 3.15 or later), you can use a row value comparison for this:
SELECT *
FROM MyTable
WHERE (SomeColumn, OtherColum...
How to save a data.frame in R?
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Sacha EpskampSacha Epskamp
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Limits of Nat type in Shapeless
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+50
I will attempt one myself. I will gladly accept a better answer from Travis Brown or Miles Sabin.
Nat can currently not be used to re...
Hibernate: Automatically creating/updating the db tables based on entity classes
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104
I don't know if leaving hibernate off the front makes a difference.
The reference suggests it ...
Using Regular Expressions to Extract a Value in Java
... example:
private static final Pattern p = Pattern.compile("^([a-zA-Z]+)([0-9]+)(.*)");
public static void main(String[] args) {
// create matcher for pattern p and given string
Matcher m = p.matcher("Testing123Testing");
// if an occurrence if a pattern was found in a given string...
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