大约有 40,000 项符合查询结果(耗时:0.0668秒) [XML]
Get names of all keys in the collection
...You could do this with MapReduce:
mr = db.runCommand({
"mapreduce" : "my_collection",
"map" : function() {
for (var key in this) { emit(key, null); }
},
"reduce" : function(key, stuff) { return null; },
"out": "my_collection" + "_keys"
})
Then run distinct on the resulting collecti...
How do I install cURL on cygwin?
...
How to install the lynx .
– qg_java_17137
Aug 21 '18 at 7:11
Not working for me. It did some pr...
What's the recommended way to extend AngularJS controllers?
...|
edited Apr 20 '15 at 22:32
answered Oct 29 '13 at 22:13
E...
Difference between app.all('*') and app.use('/')
...|
edited Jun 21 '19 at 17:32
Aw Snap
53233 silver badges1616 bronze badges
answered Jan 2 '13 at 17:06
...
How to Test a Concern in Rails
...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
Java ByteBuffer to String
...sibling getBytes() method:
byte[] bytes = k.getBytes( StandardCharsets.UTF_8 );
To put bytes with a particular encoding into a String, you can use a different String constructor:
String v = new String( bytes, StandardCharsets.UTF_8 );
Note that ByteBuffer.array() is an optional operation. If y...
nvarchar(max) vs NText
...
SQLMenaceSQLMenace
122k2323 gold badges194194 silver badges218218 bronze badges
...
Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize
...E 8, AFAIK.
– Puce
Mar 25 '14 at 12:32
1
...
How to detect the OS from a Bash script?
...
I think the following should work. I'm not sure about win32 though.
if [[ "$OSTYPE" == "linux-gnu"* ]]; then
# ...
elif [[ "$OSTYPE" == "darwin"* ]]; then
# Mac OSX
elif [[ "$OSTYPE" == "cygwin" ]]; then
# POSIX compatibility layer and Linux environment emu...
How should a model be structured in MVC? [closed]
...a mock database dependency in your model):
class Database {
protected $_conn;
public function __construct($connection) {
$this->_conn = $connection;
}
public function ExecuteObject($sql, $data) {
// stuff
}
}
abstract class Model {
protected $_db;
public fu...
