大约有 6,887 项符合查询结果(耗时:0.0258秒) [XML]
What is the difference between an ORM and an ODM?
...n mix RDBMS and Document-oriented storage within the same table, including indexes and advanced query!
– Arnaud Bouchez
Jul 4 '14 at 11:21
...
How can I truncate a datetime in SQL Server?
...tained at insert/update time, or maintained in application logic. Get this index-breaking, cpu-heavy work off your database.
share
|
improve this answer
|
follow
...
What's the _ underscore representative of in Swift References?
...at we merely want to execute the block 5 times and we don't care about the index within the block.
In this context:
let (result, _) = someFunctionThatReturnsATuple()
It means that we don't care what the second element of the tuple is, only the first.
...
How to do a batch insert in MySQL
...pStmt.executeBatch();
http://publib.boulder.ibm.com/infocenter/db2luw/v8/index.jsp?topic=/com.ibm.db2.udb.doc/ad/tjvbtupd.htm
share
|
improve this answer
|
follow
...
How to programmatically show next view in ViewPager?
...
As blessenm answered viewpager.setCurrentItem(int index) is the way to go.
share
|
improve this answer
|
follow
|
...
MySQL/SQL: Group by date only on a Datetime column
...in mind that using such a function - DATE() does not allow you to leverage indexes on this column.
– Kamil Bednarz
Oct 29 '15 at 9:01
...
SQL selecting rows by most recent date
...ting rows by most recent date".
Modified from http://wiki.lessthandot.com/index.php/Returning_The_Maximum_Value_For_A_Row
SELECT t.chargeId, t.chargeType, t.serviceMonth FROM(
SELECT chargeId,MAX(serviceMonth) AS serviceMonth
FROM invoice
GROUP BY chargeId) x
JOIN invoice t ON x....
HTML - how can I show tooltip ONLY when ellipsis is activated
...n: absolute;
top: 0;
right: 0;
width: 20px;
height: 15px;
z-index: 1;
border: 1px solid red; /* for visualization only */
pointer-events:initial;
}
.overflow:hover:after{
cursor: pointer;
}
.tooltip {
/* visibility: hidden; */
display: none;
position: absol...
Java: splitting a comma-separated string but ignoring commas in quotes
...s inside the quotes you could simplify this approach (no handling of start index, no last character special case) by replacing your commas in quotes by something else and then split at commas:
String input = "foo,bar,c;qual=\"baz,blurb\",d;junk=\"quux,syzygy\"";
StringBuilder builder = new StringBu...
Java - Including variables within strings?
...va.text.MessageFormat, which uses a related syntax having numeric argument indexes. For example,
String aVariable = "of ponies";
String string = MessageFormat.format("A string {0}.", aVariable);
results in string containing the following:
A string of ponies.
More commonly, the class is used fo...