大约有 47,000 项符合查询结果（耗时：0.0772秒） [XML]
How to convert JSON to XML or XML to JSON?
...bject)d.Value);
if (xml.HasElements) attr.Add("_value", xml.Elements().Select(e => GetXmlData(e)));
else if (!xml.IsEmpty) attr.Add("_value", xml.Value);
return new Dictionary<string, object> { { xml.Name.LocalName, attr } };
}
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Copy values from one column to another in the same table
... set str = '';
WHILE x < 5 DO
set str = (select source_col from emp where id=x);
update emp set target_col =str where id=x;
SET x = x + 1;
END WHILE;
END$$
DELIMITER ;
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How to initialize a List to a given size (as opposed to capacity)?
...ts of string[10]? string[10] will get garbage collected automatically if L selects the later route.
– RBT
Mar 25 '17 at 4:30
3
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What uses are there for “placement new”?
..._b, ...);
Now you can cluster objects together in a single memory arena, select an allocator which is very fast but does no deallocation, use memory mapping, and any other semantic you wish to impose by choosing the pool and passing it as an argument to an object's placement new operator.
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Express res.sendfile throwing forbidden error
.... good catch. I didn't notice this small difference. I also wonder if the selected answer works not because it uses .sendfile but because it relies on something else completely (path). Thanks for pointing this out.
– tenor528
Feb 10 '16 at 15:53
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How to find difference between two Joda-Time DateTimes in minutes
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I agree, this should have been the selected answer. Its neat and simple.
– Sid
Jan 9 '18 at 12:12
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Delete all but the most recent X files in bash
... but the 5 last lines (ie the 5 newest files).
xargs rm calls rm for each selected file.
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How do I change the highlight style in Vim spellcheck?
...o :set spell in my Vim, I get spelling errors highlighted as if they are selected text. What I want is an MS-Word like underlining of spelling errors. I tried to lookup :help spell but could not find a clue. Any help is appreciated.
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Prevent users from submitting a form by hitting Enter
...area>.
<input ... onkeydown="return event.key != 'Enter';">
<select ... onkeydown="return event.key != 'Enter';">
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To reduce boilerplate, this is better to be done with jQuery:
$(document).on("keydown", ":input:not(textarea)", function(event) {
return event.key != "Enter";...
How to pass prepareForSegue: an object
...ntifier:sender: method to activate the transition to a new view based on a selection or button press.
For instance, consider I had two view controllers. The first contains three buttons and the second needs to know which of those buttons has been pressed before the transition. You could wire t...