大约有 47,000 项符合查询结果（耗时：0.0454秒） [XML]
In Mongoose, how do I sort by date? (node.js)
...);
Room.find({}, null, {sort: {date: -1}}, function(err, docs) { ... });
For an ascending sort, omit the - prefix on the string version or use values of 1, asc, or ascending.
share
|
improve this ...
Writing handler for UIAlertAction
...oller(actionSheetController, animated: true, completion: nil)
This works for swift 2 (Xcode Version 7.0 beta 3)
share
|
improve this answer
|
follow
|
...
Combining two Series into a DataFrame in pandas
...cat([list_of_dataframes]) vs concating many times new_df = pd.DataFrame(); for df in list_of_dsf: new_df = pd.concat([new_df, df]) or similar.
– Andy Hayden
Oct 14 '15 at 22:07
...
Drop all tables whose names begin with a certain string
... than one in the database.
DECLARE @cmd varchar(4000)
DECLARE cmds CURSOR FOR
SELECT 'drop table [' + Table_Name + ']'
FROM INFORMATION_SCHEMA.TABLES
WHERE Table_Name LIKE 'prefix%'
OPEN cmds
WHILE 1 = 1
BEGIN
FETCH cmds INTO @cmd
IF @@fetch_status != 0 BREAK
EXEC(@cmd)
END
CLOSE cmds;...
Find most frequent value in SQL column
...
+1 for using standard SQL that will work in any database (whereas LIMIT is MySQL specific, TOP is SQL Server specific).
– Dylan Smith
Jul 20 '18 at 14:46
...
How to instantiate a File object in JavaScript?
There's a File object in JavaScript. I want to instantiate one for testing purposes.
6 Answers
...
Notification click: activity already open
...re previously displayed on top. This certainly is not an expected behavior for a user putting the app in background while in a different activity and reopening it.
– German
May 5 '14 at 19:28
...
A transport-level error has occurred when receiving results from the server [closed]
...ur task bar.
If it happens in production, resetting your application pool for your web site should recycle the connection pool.
share
|
improve this answer
|
follow
...
Getting the max value of an enum
...ar lastFoo = Enum.GetValues(typeof(Foo)).Cast<Foo>().Last();
Edit
For those not willing to read through the comments: You can also do it this way:
var lastFoo = Enum.GetValues(typeof(Foo)).Cast<Foo>().Max();
... which will work when some of your enum values are negative.
...
How do I convert a pandas Series or index to a Numpy array? [duplicate]
...object)
This accesses how the data is already stored, so there's no need for a conversion.
Note: This attribute is also available for many other pandas' objects.
In [3]: df['A'].values
Out[3]: Out[16]: array([1, 2, 3])
To get the index as a list, call tolist:
In [4]: df.index.tolist()
Out[4]...