大约有 40,000 项符合查询结果（耗时：0.0764秒） [XML]
The specified type member 'Date' is not supported in LINQ to Entities Exception
... are implemented by converting to SQL where the datetime is converted to a string and that is truncated. This makes the query run significantly slower, in proportion to the number of records processed.
– urig
Mar 21 '17 at 13:08
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Is there a way to detect if a browser window is not currently active?
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Wouldn't using a strict comparison operator on the string 'undefined' instead of the undefined keyword cause false positives in the above code?
– Jonathon
Jul 16 '16 at 0:23
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source of historical stock data [closed]
... demonstrates how to download real-time data:
public void Start()
{
string url = "http://finance.yahoo.com/d/quotes.csv?s=MSFT+GOOG&f=snl1d1t1ohgdr";
//Get page showing the table with the chosen indices
HttpWebRequest request = null;
IDatabase database =
DatabaseFactor...
Difference between json.js and json2.js
...y been augmented.
// These forms are obsolete. It is recommended that JSON.stringify and
// JSON.parse be used instead.
if (!Object.prototype.toJSONString) {
Object.prototype.toJSONString = function (filter) {
return JSON.stringify(this, filter);
};
Object.prototype.parseJSON = ...
Require returns an empty object
...nly one way - to add it dynamically, i guess. Or passing a model name as a string. Thanks for your response!
– user3677173
May 26 '14 at 17:57
19
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How to change the background color of a UIButton while it's highlighted?
...EndImageContext()
return image
}
func setBackgroundColor(_ color: UIColor, for state: UIControlState) {
self.setBackgroundImage(imageWithColor(color: color), for: state)
}
}
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How do I get the picture size with PIL?
...#2: Pygame
import pygame
img = pygame.image.load(filepath)
width = img.get_width()
height = img.get_height()
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Entity Framework Migrations renaming tables and columns
...long Id { get; set; }
public long AccountId { get; set; }
public string ApplicationUserId { get; set; }
public virtual Account Account { get; set; }
public virtual ApplicationUser User { get; set; }
}
Will generate the migration:
protected override void Up(MigrationBuilde...
Can't find a “not equal” css attribute selector
... only want div elements that have an attribute foo that is set to an empty string, you should use:
div[foo]:not([foo=''])
If you want all elements with attribute foo that is neither y nor z, you should use:
div[foo]:not([foo='y']):not([foo='z'])
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Java 8 NullPointerException in Collectors.toMap
...esult, thus the lambda for your case would be () -> new TreeMap<>(String.CASE_INSENSITIVE_ORDER) to create a case insensitive String keyed TreeMap.
– Brett Ryan
Oct 19 '15 at 12:58
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