大约有 6,885 项符合查询结果(耗时:0.0275秒) [XML]

https://stackoverflow.com/ques... 

MySQL error: key specification without a key length

... The error happens because MySQL can index only the first N chars of a BLOB or TEXT column. So The error mainly happens when there is a field/column type of TEXT or BLOB or those belong to TEXT or BLOB types such as TINYBLOB, MEDIUMBLOB, LONGBLOB, TINYTEXT, MEDI...
https://stackoverflow.com/ques... 

Redirect all to index.php using htaccess

... sure that your .htaccess file is in your document root (the same place as index.php) or it'll only affect the sub-folder it's in (and any sub-folders within that - recursively). Next make a slight change to your rule so it looks something like: RewriteEngine on RewriteCond %{REQUEST_FILENAME} !-f...
https://stackoverflow.com/ques... 

Is a view faster than a simple query?

... Yes, views can have a clustered index assigned and, when they do, they'll store temporary results that can speed up resulting queries. Update: At least three people have voted me down on this one. With all due respect, I think that they are just wrong; ...
https://stackoverflow.com/ques... 

How to insert an item into an array at a specific index (JavaScript)?

...at you want is the splice function on the native array object. arr.splice(index, 0, item); will insert item into arr at the specified index (deleting 0 items first, that is, it's just an insert). In this example we will create an array and add an element to it into index 2: var arr = []; arr...
https://stackoverflow.com/ques... 

Is there a splice method for strings?

...is faster to slice the string twice, like this: function spliceSlice(str, index, count, add) { // We cannot pass negative indexes directly to the 2nd slicing operation. if (index < 0) { index = str.length + index; if (index < 0) { index = 0; } } return str.slice(0, ...
https://stackoverflow.com/ques... 

NSRange to Range

How can I convert NSRange to Range<String.Index> in Swift? 13 Answers 13 ...
https://stackoverflow.com/ques... 

Nginx 403 error: directory index of [folder] is forbidden

... If you have directory indexing off, and is having this problem, it's probably because the try_files you are using has a directory option: location / { try_files $uri $uri/ /index.html index.php; } ^ that is the issue Remove it...
https://stackoverflow.com/ques... 

How do I check if an index exists on a table field in MySQL?

... Use SHOW INDEX like so: SHOW INDEX FROM [tablename] Docs: https://dev.mysql.com/doc/refman/5.0/en/show-index.html share | improve...
https://stackoverflow.com/ques... 

How to watch for array changes?

...e a way to be notified when an array is modified using push, pop, shift or index-based assignment? I want something that would fire an event that I could handle. ...
https://stackoverflow.com/ques... 

CodeIgniter removing index.php from url

My current urls look like this [mysite]index.php/[rest of the slug] . I want to strip index.php from these urls. 31 A...