大约有 13,000 项符合查询结果(耗时:0.0285秒) [XML]

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How do I access an access array item by index in handlebars?

... This should be the answer because it is more thorough than the selected answer. Requiring square brackets when the index is at the end had me stuck for a while! – modulitos Mar 11 '15 at 21:40 ...
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Why does Oracle 9i treat an empty string as NULL?

... @sehe the confusing bit for me is select 1 from dual where ('' is null) – matt freake Aug 22 '13 at 15:58  |  ...
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How well is Unicode supported in C++11?

...port is quite good, though: it supports detecting endianess from a BOM, or selecting it explicitly in code. It also supports producing output with and without a BOM. There are some more interesting conversion possibilities absent. There is no way to deserialize from an UTF-16 byte stream or string ...
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MySQL search and replace some text in a field

...t to search and replace based on the value of another field you could do a CONCAT: update table_name set `field_name` = replace(`field_name`,'YOUR_OLD_STRING',CONCAT('NEW_STRING',`OTHER_FIELD_VALUE`,'AFTER_IF_NEEDED')); Just to have this one here so that others will find it at once. ...
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How to convert an int array to String with toString method in Java [duplicate]

... .mapToObj(String::valueOf) .reduce((a, b) -> a.concat(",").concat(b)) .get(); share | improve this answer | follow | ...
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Query to list number of records in each table in a database

... If you're using SQL Server 2005 and up, you can also use this: SELECT t.NAME AS TableName, i.name as indexName, p.[Rows], sum(a.total_pages) as TotalPages, sum(a.used_pages) as UsedPages, sum(a.data_pages) as DataPages, (sum(a.total_pages) * 8) / 1024 as To...
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SELECT DISTINCT on one column

...ou're on SQL Server 2005 or greater, you can use a CTE with ROW_NUMBER(): SELECT * FROM (SELECT ID, SKU, Product, ROW_NUMBER() OVER (PARTITION BY PRODUCT ORDER BY ID) AS RowNumber FROM MyTable WHERE SKU LIKE 'FOO%') AS a WHERE a.RowNumber = 1 ...
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How to create a new database after initally installing oracle database 11g Express Edition?

... In the Connections pane, click the icon New Connection. The New/Select Database Connection window opens. In the New/Select Database Connection window, type the appropriate values in the fields Connection Name, Username, and Password. For security, the password characters that ...
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How can I find non-ASCII characters in MySQL?

...ng as "ASCII", but I would suggest trying a variant of a query like this: SELECT * FROM tableName WHERE columnToCheck NOT REGEXP '[A-Za-z0-9]'; That query will return all rows where columnToCheck contains any non-alphanumeric characters. If you have other characters that are acceptable, add them ...
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How to use a servlet filter in Java to change an incoming servlet request url?

...h. Use straightforward java.lang.String methods like substring(), split(), concat() and so on to extract the part of interest and compose the new path. Use either ServletRequest#getRequestDispatcher() and then RequestDispatcher#forward() to forward the request/response to the new URL (server-side re...