大约有 40,000 项符合查询结果（耗时：0.0614秒） [XML]
Correct way to use _viewstart.cshtml and partial Razor views?
I'm using _viewstart.cshtml to automagically assign the same Razor Layout to my views.
1 Answer
...
MySQL indexes - what are the best practices?
...SQL databases for a while now but never properly learnt about them. Generally I put an index on any fields that I will be searching or selecting using a WHERE clause but sometimes it doesn't seem so black and white.
...
How to get the function name from within that function?
... ret = ret.substr(0, ret.indexOf('('));
return ret;
}
Using Function.caller is non-standard. Function.caller and arguments.callee are both forbidden in strict mode.
Edit: nus's regex based answer below achieves the same thing, but has better performance!
In ES6, you can just use myFunction.na...
How do I get user IP address in django?
...re you have reverse proxy (if any) configured correctly (e.g. mod_rpaf installed for Apache).
Note: the above uses the first item in X-Forwarded-For, but you might want to use the last item (e.g., in the case of Heroku: Get client's real IP address on Heroku)
And then just pass the request as argu...
Using success/error/finally/catch with Promises in AngularJS
...
Promises are an abstraction over statements that allow us to express ourselves synchronously with asynchronous code. They represent a execution of a one time task.
They also provide exception handling, just like normal code, you can return from a promise or you can throw.
...
What is the difference between a directory and a folder?
...hs, which can vary between versions of Windows, and between individual installations. ...
If one is referring to a container of documents, the term folder is more appropriate. The term directory refers to the way a structured list of document files and folders is stored on the computer. The distinct...
Parsing a string into a boolean value in PHP
...urned only for "0", "false", "off", "no", and "", and NULL is returned for all non-boolean values.
share
|
improve this answer
|
follow
|
...
In MySQL, how to copy the content of one table to another table within the same database?
...y the content of one table to another table within the same database. Basically, I would like to insert to a table from another table. Is there easy way of doing this?
...
Detect if device is iOS
... are changed and differentiating between iPad and MacOS seems possible, so all answers below needs to take that into account now.
This might be the shortest alternative that also covers iOS 13:
function iOS() {
return [
'iPad Simulator',
'iPhone Simulator',
'iPod Simulator',
'iPad'...
ERROR 1396 (HY000): Operation CREATE USER failed for 'jack'@'localhost'
...be stupid" and to use REVOKE and DROP USER to do it right. I'm indebted to all three answers (this one just happens to be the one that bailed me out of my present predicament).
– Russ Bateman
Apr 5 '11 at 17:05
...