大约有 20,000 项符合查询结果（耗时：0.0448秒） [XML]
LEFT JOIN only first row
...primary key of the joined tabled.
you can play with the inner query (i.e. order+limit) but it must return one primary key of the desired row that will tell the ON the exact row to join.
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jQuery event handlers always execute in order they were bound - any way around this? [duplicate]
It can be anoying that jQuery event handlers always execute in the order they were bound. For example:
10 Answers
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Where can I learn jQuery? Is it worth it?
...bout web development on w3schools.com . It's hit or miss, I know, but the PHP and CSS sections specifically have proven very useful for reference.
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Signed versus Unsigned Integers
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little vs. big endian has to do with the order of the bytes on the platform. Little endian might do 0xFF 0xFE 0x7F while big endian will do 0x7F 0xFE 0xFF.
– Jasper Bekkers
Oct 29 '08 at 18:35
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PDO mysql: How to know if insert was successful
I'm using PDO to insert a record (mysql and php)
7 Answers
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Inverse dictionary lookup in Python
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@BrianJack: Dictionaries are not ordered, like sets. Look at collections.OrderedDict for an implementation that is ordered.
– Martijn Pieters♦
Jul 24 '12 at 14:40
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How do I force a favicon refresh?
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If you use PHP you could also use the MD5-Hash of the favicon as a query-string:
<link rel="shortcut icon" href="favicon.ico?v=<?php echo md5_file('favicon.ico') ?>" />
This way the Favicon will always refresh when it has...
Preventing form resubmission
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@Rpant on chrome the php file that sends the location header doesn't even show up in the browser history, so the back button simply takes you back to the form.
– FluorescentGreen5
May 5 '17 at 12:03
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Git is ignoring files that aren't in gitignore
...a few other files, but my .gitignore file only has it ignoring a config.php file. Is there some global ignore file somewhere that I can't seem to find? I have to specify files to add them now, and it's giving me this warning:
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What is the difference between ndarray and array in numpy?
...an array using __new__:
If buffer is None, then only shape, dtype, and order are used.
If buffer is an object exposing the buffer interface, then all keywords are interpreted.
The example below gives a random array because we didn't assign buffer value:
np.ndarray(shape=(2,2), dtype=float...