大约有 47,000 项符合查询结果（耗时：0.0601秒） [XML]
SQL Server: Query fast, but slow from procedure
...s" in your stored procedure queries, but read the original for more understanding, it's a great write up. e.g.
Slow way:
CREATE PROCEDURE GetOrderForCustomers(@CustID varchar(20))
AS
BEGIN
SELECT *
FROM orders
WHERE customerid = @CustID
END
Fast way:
CREATE PROCEDURE GetOrderForCus...
The relationship could not be changed because one or more of the foreign-key properties is non-nulla
I am getting this error when I GetById() on an entity and then set the collection of child entities to my new list which comes from the MVC view.
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UnicodeDecodeError: 'utf8' codec can't decode byte 0xa5 in position 0: invalid start byte
...
The error is because there is some non-ascii character in the dictionary and it can't be encoded/decoded. One simple way to avoid this error is to encode such strings with encode() function as follows (if a is the string with non-ascii character):
a.encode('utf-8').strip()
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Change the selected value of a drop-down list with jQuery
...s:
[jQuery.val] checks, or selects, all the radio buttons, checkboxes, and select options that match the set of values.
This behavior is in jQuery versions 1.2 and above.
You most likely want this:
$("._statusDDL").val('2');
...
Git Bash is extremely slow on Windows 7 x64
I've been using Git on both Windows and Ubuntu during the development of a small project, frequently flipping back and forth between the two. The issue is that Git Bash consistently becomes slow.
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Clearing localStorage in javascript?
.... I know this because I have set an "instance" property on my model to a random number on initialize, and, for a given id, the instance property is always the same.
– sydneyos
Oct 4 '14 at 0:46
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ImportError: No module named six
...culprit; no deps were followed. Installing the pypi version, uninstalling, and then installing the git+ version pulled in the necessary dependencies, though this seems silly.
– tsbertalan
Sep 23 '18 at 3:58
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How can I get the console logs from the iOS Simulator?
...ut, so you can see the logs mixed up with system logs.
Open the Terminal and type: tail -f /var/log/system.log
Then run the simulator.
EDIT:
This stopped working on Mavericks/Xcode 5. Now you can access the simulator logs in its own folder: ~/Library/Logs/iOS Simulator/<sim-version>/syste...
Hidden Features of C#? [closed]
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lambdas and type inference are underrated. Lambdas can have multiple statements and they double as a compatible delegate object automatically (just make sure the signature match) as in:
Console.CancelKeyPress +=
(sender, e) =>...
How to identify if the DLL is Debug or Release build (in .NET) [duplicate]
I'm sure this has been asked before, but google and SO search failed me.
2 Answers
2
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