大约有 15,000 项符合查询结果（耗时：0.0227秒） [XML]
Download file of any type in Asp.Net MVC using FileResult?
... so i used this helper method -that i found somewhere i can't remember- to convert it to a virtual path
private string GetVirtualPath(string physicalPath)
{
string rootpath = Server.MapPath("~/");
physicalPath = physicalPath.Replace(rootpath, "");
...
How to get ID of the last updated row in MySQL?
...)
SET @update_id := 0;
UPDATE some_table SET column_name = 'value', id = (SELECT @update_id := id)
WHERE some_other_column = 'blah' LIMIT 1;
SELECT @update_id;
EDIT by aefxx
This technique can be further expanded to retrieve the ID of every row affected by an update statement:
SET @uids := nul...
ng-app vs. data-ng-app, what is the difference?
...follows:
Strip x- and data- from the front of the element/attributes. Convert the :, -, or _-delimited name to camelCase. Here are some equivalent
examples of elements that match ngBind:
based on above statement below all are valid directives
1. ng-bind
2. ng:bind
3. ng_bind
4. data-ng...
PowerShell equivalent to grep -f
...
The -Pattern parameter in Select-String supports an array of patterns. So the one you're looking for is:
Get-Content .\doc.txt | Select-String -Pattern (Get-Content .\regex.txt)
This searches through the textfile doc.txt by using every regex(one pe...
Get table column names in MySQL?
...DESCRIBE my_table;
Or in newer versions you can use INFORMATION_SCHEMA:
SELECT COLUMN_NAME
FROM INFORMATION_SCHEMA.COLUMNS
WHERE TABLE_SCHEMA = 'my_database' AND TABLE_NAME = 'my_table';
Or you can use SHOW COLUMNS:
SHOW COLUMNS FROM my_table;
...
PostgreSQL query to return results as a comma separated list
Let say you have a SELECT id from table query (the real case is a complex query) that does return you several results.
5 ...
Max length for client ip address [duplicate]
...The slightly less efficient storage far outweighs any benefit of having to convert it on insert/update and format it when showing it anywhere.
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Postgresql SELECT if string contains
...eld of the record. Concatenate using '||' with the literal percent signs:
SELECT id FROM TAG_TABLE WHERE 'aaaaaaaa' LIKE '%' || tag_name || '%';
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Any tools to generate an XSD schema from an XML instance document? [closed]
... cross platform (although Java is required)
From the Trang Website:
Trang converts between different schema languages for XML. It supports the following languages
RELAX NG (XML syntax)
RELAX NG compact syntax
XML 1.0 DTDs
W3C XML Schema
A schema written in any of the supported schema languages ca...
Reminder - \r\n or \n\r?
....
If you open a file in text mode (ie not binary) then the streams will convert the "\n" into the correct LTS for your platform. Then convert the LTS back to "\n" when you read the file.
As a result if you print "\r\n" to a windows file you will get the sequence "\r\r\n" in the physical file (ha...