大约有 18,356 项符合查询结果（耗时：0.0305秒） [XML]
How to remove duplicate values from a multi-dimensional array in PHP
...code instead of PHP serialization. should have benefits for the values provided and you don't run into PHP serialization details that serialize/unserialize ships with and most likely are unwanted.
– hakre
Aug 23 '14 at 13:38
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What is HEAD in Git?
...as a developer? I guess I'm asking, Is Git HEAD going to be a repository-wide global thing, or individual for each dev?
– bobobobo
Feb 20 '10 at 23:02
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INNER JOIN vs LEFT JOIN performance in SQL Server
...t likely your performance problems lie elsewhere, such as not having a candidate key or foreign key indexed properly. 9 tables is quite a lot to be joining so the slowdown could literally be almost anywhere. If you post your schema, we might be able to provide more details.
Edit:
Reflecting fu...
How to get a complete list of ticker symbols from Yahoo Finance? [closed]
... the list by iterating through the alphabetical groups:
AlphabeticIDIndexDownload dl1 = new AlphabeticIDIndexDownload();
dl1.Settings.TopIndex = null;
Response<AlphabeticIDIndexResult> resp1 = dl1.Download();
writeStream.WriteLine("Id|Isin|Name|Exchange|Type|I...
How to get Core Data object from specific Object ID?
I can easily get an object's ID in Core Data using the following code:
3 Answers
3
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How do I execute inserts and updates in an Alembic upgrade script?
...ly straightforward to adapt this to the other forms.
Note that Alembic provides some basic data functions: op.bulk_insert() and op.execute(). If the operations are fairly minimal, use those. If the migration requires relationships or other complex interactions, I prefer to use the full power of mo...
How to delete cookies on an ASP.NET website
...
Try something like that:
if (Request.Cookies["userId"] != null)
{
Response.Cookies["userId"].Expires = DateTime.Now.AddDays(-1);
}
But it also makes sense to use
Session.Abandon();
besides in many scenarios.
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Why do we need tuples in Python (or any immutable data type)?
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@musicfreak, see the edit I just did where building a tuple is over 7.6 times faster than building the equivalent list -- now you can't say you've "never seen a noticeable difference" any more, unless your definition of "noticeable" is truly peculiar...
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Return 0 if field is null in MySQL
...(SELECT SUM(uop.price * uop.qty) FROM uc_order_products uop WHERE uo.order_id = uop.order_id) AS products_subtotal, 0)?
– Kevin
Oct 22 '10 at 13:46
2
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querySelector, wildcard element match?
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[id^='someId'] will match all ids starting with someId.
[id$='someId'] will match all ids ending with someId.
[id*='someId'] will match all ids containing someId.
If you're looking for the name attribute just substitute id ...