大约有 32,000 项符合查询结果（耗时：0.0575秒） [XML]
Illegal mix of collations (utf8_unicode_ci,IMPLICIT) and (utf8_general_ci,IMPLICIT) for operation '=
... (utf8_unicode_ci, IMPLICIT). i am scraping data off the web using python, then creating an CSV file with the scraped data, which i then process with a PHP file on my server that uploads the data to my database. all my MySQL tables/columns are collated as utf8mb4_unicode_ci. might the issue be arisi...
What are the differences between NP, NP-Complete and NP-Hard?
...omplete problems can be reduced to any NP-hard problem in polynomial time. Then, if there is a solution to one NP-hard problem in polynomial time, there is a solution to all NP problems in polynomial time.
Example
The halting problem is an NP-hard problem. This is the problem that given a program ...
Append text to input field
...ourse add the same appended text each time, so you end up with "more text" then "more textmore text" etc.
– James
Sep 8 at 15:59
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Sending a JSON to server and retrieving a JSON in return, without JQuery
...e code from above works on your localhost. If it does (and it should work) then the problem must be somewhere on your server side; if it doesn't, let me know and I'll check it. This way, having nothing of your code, I can't help you.
– hex494D49
Jul 6 '17 at 20...
Transferring files over SSH [closed]
...in a comment, if the usernames on the local and remote hosts are the same, then the user can be omitted when specifying a remote file.
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How to convert char to int?
...hrow new ArgumentOutOfRangeException("value");
return i;
}
}
then use int x = c.ParseInt32();
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How to format a DateTime in PowerShell
...ge the default behavior of a particular DateTime object's ToString method. Then it would work as you had expected.
– Nathan Hartley
Feb 2 '12 at 16:01
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How to pass an array into jQuery .data() attribute
... use double-quotes as a string delimiter instead of single quotes. You'll then have to use single-quotes to delimit the entire attribute value.
If you fix your quotation marks your original code works (see http://jsfiddle.net/ktw4v/12/)
<div data-stuff='["a","b","c"]'> </div>
var stu...
How to duplicate a git repository? (without forking)
...e not specific to github
The above creates a new remote copy of the repo. Then clone it down to your working machine.
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Rename Files and Directories (Add Prefix)
... the first occurrence of the empty string (which is found immediately) and then replaces that occurrence with your prefix, then glues on the rest of the file name to the end of that. Done.
For suffixes, you need to use the perl version or use find.
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