大约有 48,000 项符合查询结果（耗时：0.0326秒） [XML]
MongoDB - admin user not authorized
I am trying to add authorization to my MongoDB.
I am doing all this on Linux with MongoDB 2.6.1.
My mongod.conf file is in the old compatibility format
(this is how it came with the installation).
...
In Java, what is the best way to determine the size of an object?
...ect. Is there an easy way to find out the size of that object programmatically? Is there a reference that defines how large primitive types and object references are for a VM ?
...
How can I set the default timezone in node.js?
... this google group thread, you can set the TZ environment variable before calling any date functions. Just tested it and it works.
> process.env.TZ = 'Europe/Amsterdam'
'Europe/Amsterdam'
> d = new Date()
Sat, 24 Mar 2012 05:50:39 GMT
> d.toLocaleTimeString()
'06:50:39'
> ""+d
'Sat Mar...
How do I drop a MongoDB database from the command line?
...ul in my case. Somehow I had a database named "mean-dev" from an older installation, and entering "mean-dev.dropDatabase()" in the mongo shell resulted in "ReferenceError: mean is not defined". But using the solution in this answer did the trick. +1
– K. P. MacGregor
...
How to force a line break in a long word in a DIV?
Okay, this is really confusing me. I have some content inside of a div like so:
16 Answers
...
Jquery select all elements that have $jquery.data()
...
You could do
$('[data-myAttr!=""]');
this selects all elements which have an attribute data-myAttr which is not equal to '' (so it must have been set);
you could also use filter()
$('*').filter(function() {
return $(this).data('myAttr') !== undefined;
});
...
Any way to break if statement in PHP?
... /* SUCCESS */
}
else {
clean_all_processes();
}
}
else {
clean_all_processes();
}
}
else {
clean_all_processes();
}
Good looking code
do {
if( !process_x() )
{ clean_all_processes(); break; }
/* do a...
How to use git merge --squash?
...
Say your bug fix branch is called bugfix and you want to merge it into master:
git checkout master
git merge --squash bugfix
git commit
This will take all the commits from the bugfix branch, squash them into 1 commit, and merge it with your master bran...
How to connect to Mysql Server inside VirtualBox Vagrant?
I mounted a new VirtualBox Machine with Vagrant, and inside that VM I installed Mysql Server. How can I connect to that server outside the vm? I already forward the port 3306 of the Vagrantfile , but when I try to connect to the mysql server, it`s resposts with the error:
'reading initial communica...
Ignoring new fields on JSON objects using Jackson [duplicate]
...ready mentioned, there is also global feature that can be used to suppress all failures caused by unknown (unmapped) properties:
// jackson 1.9 and before
objectMapper.configure(DeserializationConfig.Feature.FAIL_ON_UNKNOWN_PROPERTIES, false);
// or jackson 2.0
objectMapper.configure(Deserializatio...