大约有 12,000 项符合查询结果（耗时：0.0203秒） [XML]
Laravel orderBy on a relationship
...is->hasMany('Comment');
}
}
class Controller
{
public function index()
{
$column = Input::get('orderBy', 'defaultColumn');
$comments = User::find(1)->comments()->orderBy($column)->get();
// use $comments in the template
}
}
default User model +...
Are iframes considered 'bad practice'? [closed]
... you can use them to force localstorage based cache the page by making the index page a script that detects if the subpage is in localstorage. Then, document.write it from localstorage if its there, and if not add in an iframe to that subpage. In that subpage, have a script to store the subpages HT...
What is the maximum value for an int32?
...y rule to remember 1,867,996,680? I find it difficult to remember at which index to start looking....
– Alderath
Jan 13 '16 at 8:35
10
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Looping through the content of a file in Bash
...set inside the loop are lost when it exits (see bash-hackers.org/wiki/doku.php/mirroring/bashfaq/024). This can be very annoying (depending on what you're trying to do in the loop).
– Gordon Davisson
Oct 6 '09 at 0:57
...
How do I limit the number of returned items?
...ith exec() instead. Therefore, with the mongoose 3.8.1 you'd do this:
var q = models.Post.find({published: true}).sort({'date': -1}).limit(20);
q.exec(function(err, posts) {
// `posts` will be of length 20
});
or you can chain it together simply like that:
models.Post
.find({published: tr...
Efficient Algorithm for Bit Reversal (from MSB->LSB to LSB->MSB) in C
...// Option 2:
unsigned char * p = (unsigned char *) &v;
unsigned char * q = (unsigned char *) &c;
q[3] = BitReverseTable256[p[0]];
q[2] = BitReverseTable256[p[1]];
q[1] = BitReverseTable256[p[2]];
q[0] = BitReverseTable256[p[3]];
You can extend this idea to 64-bit ints, or trade off memo...
How do I get the parent directory in Python?
...me is the function for this, like a+=5-4 is more convoluted than a+=1. The question requested only the parent directory, not whether is exists or the true parent directory assuming symbolic links get in the way.
– tzot
May 24 '10 at 12:03
...
Delete all the queues from RabbitMQ?
I installed rabbitmqadmin and was able to list all the exchanges and queues. How can I use rabbitmqadmin or rabbitmqctl to delete all the queues.
...
Get Character value from KeyCode in JavaScript… then trim
...
Readable key names indexed by key code
There are relatively few key codes so I simply listed all the corresponding values in a static array so I could simply convert the number 65 into A using keyboardMap[65]
Not all key codes map to a printa...
How do I get a list of all the duplicate items using pandas in python?
... sort was deprecated for DataFrames in favor of either sort_values or sort_index Related SO Q&A
– tatlar
Nov 22 '18 at 18:27
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