大约有 16,000 项符合查询结果（耗时：0.0271秒） [XML]
How to correctly sort a string with a number inside? [duplicate]
...ng (also known as natural sorting):
import re
def atoi(text):
return int(text) if text.isdigit() else text
def natural_keys(text):
'''
alist.sort(key=natural_keys) sorts in human order
http://nedbatchelder.com/blog/200712/human_sorting.html
(See Toothy's implementation in the ...
Remove the image from a imageview Android [duplicate]
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If an image is not loaded into imageView and still one tries to clear it, the program stops unexpectedly. Is there a way to tackle this ?
– Krithi07
May 29 '15 at 10:11
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Remove background drawable programmatically in Android
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I get this error: The method setBackgroundResource(int) in the type View is not applicable for the arguments (null)
– UKDataGeek
May 13 '12 at 9:08
2
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Can I change a column from NOT NULL to NULL without dropping it?
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Sure you can.
ALTER TABLE myTable ALTER COLUMN myColumn int NULL
Just substitute int for whatever datatype your column is.
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Correct way to override Equals() and GetHashCode() [duplicate]
...rn this.RecommendationId.Equals(item.RecommendationId);
}
public override int GetHashCode()
{
return this.RecommendationId.GetHashCode();
}
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How do I get epoch time in C#? [duplicate]
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TimeSpan t = DateTime.UtcNow - new DateTime(1970, 1, 1);
int secondsSinceEpoch = (int)t.TotalSeconds;
Console.WriteLine(secondsSinceEpoch);
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What is &&& operation in C
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@anishsane i is defined as int and there's no labels in the question. Also, maximal munch...
– Luchian Grigore
Dec 20 '12 at 9:35
5
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Java split string to array [duplicate]
...railing empty strings included, you need to use String.split(String regex, int limit) with a negative value for the second parameter (limit):
String[] array = values.split("\\|", -1);
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impr...
What is this smiley-with-beard expression: “”?
...y not have the characters C++ typically uses.
The code resolves to this:
int main(){
[]{}; // smile!
}
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Concatenate multiple result rows of one column into one, group by another column [duplicate]
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Small note - might need to actor::TEXT if actor is an INT. At least, I get an error trying to string_agg INTs in Postgres 9.5 - but otherwise, this was exactly what I needed, thanks!
– dwanderson
Dec 13 '16 at 16:26
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