大约有 37,000 项符合查询结果（耗时：0.0616秒） [XML]
Determine the number of lines within a text file
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401
Seriously belated edit: If you're using .NET 4.0 or later
The File class has a new ReadLines m...
How to get all selected values from ?
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109
The usual way:
var values = $('#select-meal-type').val();
From the docs:
In the case of ...
What's the difference between SoftReference and WeakReference in Java?
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edited Oct 31 '18 at 10:34
itsmysterybox
1,92833 gold badges1818 silver badges2525 bronze badges
ans...
How can I check whether a radio button is selected with JavaScript?
...atLeastOneRadio() {
return ($('input[type=radio]:checked').size() > 0);
}
For server-side validation (remember, you can't depend entirely on Javascript for validation!), it would depend on your language of choice, but you'd but checking the gender value of the request string.
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How to convert a string to number in TypeScript?
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edited Jun 2 at 0:40
Thanatos
36.1k1212 gold badges7272 silver badges132132 bronze badges
answ...
Why are Python lambdas useful? [closed]
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1016
Are you talking about lambda functions? Like
lambda x: x**2 + 2*x - 5
Those things are actu...
How to report an error from a SQL Server user-defined function
I'm writing a user-defined function in SQL Server 2008. I know that functions cannot raise errors in the usual way - if you try to include the RAISERROR statement SQL returns:
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Dealing with “Xerces hell” in Java/Maven?
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There are 2.11.0 JARs (and source JARs!) of Xerces in Maven Central since 20th February 2013! See Xerces in Maven Central. I wonder why they haven't resolved https://issues.apache.org/jira/browse/XERCESJ-1454...
I've used:
<dependency&...
Define global variable in a JavaScript function
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760
Yes, as the others have said, you can use var at global scope (outside of all functions) to decl...
How to get key names from JSON using jq
curl http://testhost.test.com:8080/application/app/version | jq '.version' | jq '.[]'
7 Answers
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