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What's the difference between RANK() and DENSE_RANK() functions in oracle?
What's the difference between RANK() and DENSE_RANK() functions? How to find out nth salary in the following emptbl table?
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What's the difference between the data structure Tree and Graph?
Academically speaking, what's the essential difference between the data structure Tree and Graph? And how about the tree based search and Graph based search?
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How to lazy load images in ListView in Android
...TIONS OF ANY
KIND, either express or implied. See the License for the
specific language governing permissions and limitations
under the License.
*/
import java.io.IOException;
public class DrawableManager {
private final Map<String, Drawable> drawableMap;
public DrawableManager() {
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Rails detect if request was AJAX
In my action I wish to only respond with processing if it was called from an AJAX request. How do I check?
5 Answers
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Line continuation for list comprehensions or generator expressions in python
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Specifically, line breaks are ignored inside any brackets - (), [] and {}.
– user395760
Apr 27 '11 at 19:03
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Get file size, image width and height before upload
... document.getElementById('preview');
const readImage = file => {
if ( !(/^image\/(png|jpe?g|gif)$/).test(file.type) )
return EL_preview.insertAdjacentHTML('beforeend', `Unsupported format ${file.type}: ${file.name}<br>`);
const img = new Image();
img.addEventListener('lo...
Could not load file or assembly Microsoft.SqlServer.management.sdk.sfc version 11.0.0.0
...error with the code version 11.0.0, like I have installed sql server 2012. If I try to install 1033\x86\SharedManagementObjects.msi, the error doesn't change. If I try to install ENU\x86\SharedManagementObjects.msi it gives obviously error. Why? What can I do ?
– Piero Alberto
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Exception thrown in NSOrderedSet generated accessors
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I reproduced your setup both with your data model and one of my own with different names. I got the same error in both cases.
Looks like a bug in Apple's autogenerated code.
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Using isKindOfClass with Swift
I'm trying to pick up a bit of Swift lang and I'm wondering how to convert the following Objective-C into Swift:
5 Answers
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ipython: print complete history (not just current session)
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