大约有 47,000 项符合查询结果（耗时：0.0502秒） [XML]
ROW_NUMBER() in MySQL
...ent. You might get the results you expect, but this is not guaranteed. The order of evaluation for expressions involving user variables is undefined and may change based on the elements contained within a given statement."
– Roland Bouman
Jan 11 '10 at 13:51
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Rearranging Tab Bar Controller Order in StoryBoard
...ips to 4 different Table View Controllers. Is there a way to rearrange the order of the relationship in the StoryBoard graphically? I can't find a way to do this and I'm sure I must be missing something!
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Singleton: How should it be used
...arginally more reliable in languages without a well-defined initialization order, this usage is still the moral equivalent of a global variable. It's a global variable dressed up in some awkward syntax (foo::get_instance() instead of g_foo, say), but it serves the exact same purpose (a single objec...
Virtual functions and performance - C++
...stion made me curious, so I went ahead and ran some timings on the 3GHz in-order PowerPC CPU we work with. The test I ran was to make a simple 4d vector class with get/set functions
class TestVec
{
float x,y,z,w;
public:
float GetX() { return x; }
float SetX(float to) { return x=to; }...
Is it possible to use argsort in descending order?
...commands numpy.flipud() or numpy.fliplr() to get the indexes in descending order after sorting using the argsort command. Thats what I usually do.
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quick random row selection in Postgres
...u want to use a higher LIMIT... I need to get 3 items so I need to use the ORDER BY RANDOM() syntax.
– Alexis Wilke
Nov 24 '12 at 1:29
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JavaScript moving element in the DOM
...t depends on the relative positioning of the elements. Once you change the order you can no longer find the first and third by their ids and need to work out another way. My answer was only meant to illustrate the functionality of the methods to accomplish the requested task, not be a comprehensive ...
Could not reliably determine the server's fully qualified domain name
...i.apache.org/httpd/DistrosDefaultLayout
In your case the file to edit is /etc/httpd/conf/httpd.conf
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Insert ellipsis (…) into HTML tag if content too wide
... white-space: normal;
}
<div class="ellipsis" style="width: 100px; border: 1px solid black;">Lorem ipsum dolor sit amet, consectetur adipisicing elit</div>
<div class="ellipsis multiline" style="width: 100px; height: 40px; border: 1px solid black; margin-bottom: 100px">Lorem ip...
Sort array of objects by object fields
...raca: oh, forgot it accepts array by reference. Btw, OP did not said which order he need to sort collection.
– zerkms
Nov 26 '10 at 3:57
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