错误：[XSException] lib/XS.php(2447): Unknown internal error(S#600)
Android: How can I pass parameters to AsyncTask's onPreExecute()?
I use an AsyncTask for loading operations that I implemented as an inner class.
4 Answers
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Github: Can I see the number of downloads for a repo?
In Github, is there a way I can see the number of downloads for a repo?
17 Answers
17...
Convert string with comma to integer
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Thanks for your answer. It's way much better than mine. In fact i was hoping there would be one call instead of two. like: "1,112".to_money. After reviewing the answers, it's likely there's no such method. Anyway, thanks so much!
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LINQ where vs takewhile
...ntList = new int[] { 1, 2, 3, 4, 5, -1, -2 };
Console.WriteLine("Where");
foreach (var i in intList.Where(x => x <= 3))
Console.WriteLine(i);
Console.WriteLine("TakeWhile");
foreach (var i in intList.TakeWhile(x => x <= 3))
Console.WriteLine(i);
Gives
Where
1
2
3
-1
-2
TakeWhile...
Is int[] a reference type or a value type?
...g. Should I just pass the array, as it will just pass the reference of it, or should I pass it as ref?
10 Answers
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How do I trim whitespace from a string?
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Just one space, or all consecutive spaces? If the second, then strings already have a .strip() method:
>>> ' Hello '.strip()
'Hello'
>>> ' Hello'.strip()
'Hello'
>>> 'Bob has a cat'.strip()
'Bob has a cat'
>&g...
Why does SIGPIPE exist?
... EPIPE ... So why do we have the extra overhead of a signal? Every time I work with pipes I ignore SIGPIPE and have never felt any pain as a result, am I missing something?
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How do you create optional arguments in php?
In the PHP manual, to show the syntax for functions with optional parameters, they use brackets around each set of dependent optional parameter. For example, for the date() function, the manual reads:
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Are the PUT, DELETE, HEAD, etc methods available in most web browsers?
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No. The HTML 5 spec mentions:
The method and formmethod content attributes are enumerated attributes
with the following keywords and states:
The keyword get, mapping to the state GET, indicating the HTTP GET
method. The GET method should only request and retriev...
Detect if a jQuery UI dialog box is open
...s.
$('#mydialog').dialog('isOpen')
This method returns a Boolean (true or false), not a jQuery object.
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