大约有 18,340 项符合查询结果（耗时：0.0277秒） [XML]
Getting Django admin url for an object
... to change it to this:
(r'^admin/', include(admin.site.urls) ),
Once I did that, all the goodness that was promised in the Reversing Admin URLs docs started working.
share
|
improve this answer
...
How to update Identity Column in SQL Server?
I have SQL Server database and I want to change the identity column because it started
with a big number 10010 and it's related with another table, now I have 200 records and I want to fix this issue before the records increases.
...
Why switch is faster than if
...he switch statement as being faster than the if else statement. But I did not find out anywhere why switch is faster than if .
...
returning in the middle of a using block
... problem.
The only case it will cause you issues is if you return in the middle of a using statement and additionally return the in using variable. But then again, this would also cause you issues even if you didn't return and simply kept a reference to a variable.
using ( var x = new Something...
How can I update a single row in a ListView?
...u solve this with ListView#getFirstVisiblePosition().
Example:
private void updateView(int index){
View v = yourListView.getChildAt(index -
yourListView.getFirstVisiblePosition());
if(v == null)
return;
TextView someText = (TextView) v.findViewById(R.id.sometextview);...
How can I remove duplicate rows?
... no nulls, you GROUP BY the unique columns, and SELECT the MIN (or MAX) RowId as the row to keep. Then, just delete everything that didn't have a row id:
DELETE FROM MyTable
LEFT OUTER JOIN (
SELECT MIN(RowId) as RowId, Col1, Col2, Col3
FROM MyTable
GROUP BY Col1, Col2, Col3
) as KeepRow...
Inserting HTML into a div
...
I think this is what you want:
document.getElementById('tag-id').innerHTML = '<ol><li>html data</li></ol>';
Keep in mind that innerHTML is not accessable for all types of tags when using IE. (table elements for example)
...
How can I rename a field for all documents in MongoDB?
...rmer way:
remap = function (x) {
if (x.additional){
db.foo.update({_id:x._id}, {$set:{"name.last":x.name.additional}, $unset:{"name.additional":1}});
}
}
db.foo.find().forEach(remap);
In MongoDB 3.2 you can also use
db.students.updateMany( {}, { $rename: { "oldname": "newname" } } )
T...
How can I write text on a HTML5 canvas element?
...
var canvas = document.getElementById("my-canvas");
var context = canvas.getContext("2d");
context.fillStyle = "blue";
context.font = "bold 16px Arial";
context.fillText("Zibri", (canvas.width / 2) - 17, (canvas.height / 2) + 8);
#my-canvas {
backgro...
How to split strings across multiple lines in CMake?
... that I do not know how to split a simple string into multiple lines to avoid one huge line. Consider this basic code:
7 An...