大约有 18,361 项符合查询结果（耗时：0.0251秒） [XML]
Creating Multifield Indexes in Mongoose / MongoDB
... and field1 + field2. So it is first index according to field1 and then inside field1 with respect to field 2
– Ketan Ghumatkar
Jul 24 '15 at 15:46
1
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create multiple tag docker image
...ple tags on your images via the command line.
Use this to list your image ids:
$ docker images
Then tag away:
$ docker tag 9f676bd305a4 ubuntu:13.10
$ docker tag 9f676bd305a4 ubuntu:saucy
$ docker tag eb601b8965b8 ubuntu:raring
...
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How to sort findAll Doctrine's method?
...d before reading this answer I ultimately used DQL to achieve this, but I didn't want to use DQL at the beginning because my controller did not have any DQL in it, and I wanted to stick to the code style the controller already had. This solutions works really good for me!
– ILi...
How to find the size of an array in postgresql
...ing PostgreSQL 9.4 or higher, you can use cardinality:
SELECT cardinality(id) FROM example;
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How to append to New Line in Node.js
...cessInput ( text )
{
fs.open('H://log.txt', 'a', 666, function( e, id ) {
fs.write( id, text + os.EOL, null, 'utf8', function(){
fs.close(id, function(){
console.log('file is updated');
});
});
});
}
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What's “requestCode” used for on PendingIntent?
...ance later on (for cancelling, etc).
Yes, my guess is the alarms will override each other. I would keep the request codes unique.
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Jquery to change form action
...
Try this:
$('#button1').click(function(){
$('#formId').attr('action', 'page1');
});
$('#button2').click(function(){
$('#formId').attr('action', 'page2');
});
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Git undo local branch delete
...
Deleted branch branch_name(was e562d13)
where e562d13 is a unique ID (a.k.a. the "SHA" or "hash"), with this you can restore the deleted branch.
To restore the branch, use:
git checkout -b <branch_name> <sha>
for example:
git checkout -b branch_name e562d13
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Why not use HTTPS for everything?
... site, and protect the user entirely. It would prevent problems such as deciding what has to be secured because everything would be, and it's not really an inconvenience to the user.
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How to hide a in a menu with CSS?
I've realized that Chrome, it seems, will not allow me to hide <option> in a <select> . Firefox will.
13 Ans...