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This type of CollectionView does not support changes to its SourceCollection from a thread different
...t refers to an updated github gist version of the code that appears at the start of the post.
– Greg Trevellick
Apr 14 '18 at 7:15
...
How to read and write excel file
... // This trick ensures that we get the data properly even if it doesn't start from first few rows
for(int i = 0; i < 10 || i < rows; i++) {
row = sheet.getRow(i);
if(row != null) {
tmp = sheet.getRow(i).getPhysicalNumberOfCells();
if(tmp > cols...
Backbone.js: `extend` undefined?
Just getting started with Backbone.js. Simply including Backbone (either dev/production versions) causes the error:
3 Answe...
Focus Next Element In Tab Index
...e
);
walker.currentNode = currentElement;
if (!walker.nextNode())
{
// Restart search from the start of the document
walker.currentNode = walker.root;
walker.nextNode();
}
if (walker.currentNode && walker.currentNode != walker.root)
walker.currentNode.focus();
This only considers s...
get all keys set in memcached
...
@billynoah Thx, I really see results now and memcached is starting to get useful :-)
– Wolfgang Blessen
Nov 28 '18 at 10:32
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|...
Why seal a class?
...ghtly lesser degree.
Sealing an override shields you from these problems starting from that
point in the inheritance hierarchy.
Indeed, if you search the ASP.Net Core codebase, you will only find about 30 occurences of sealed class, most of which are attributes and test classes.
I do think th...
Can I install Python 3.x and 2.x on the same Windows computer?
...the shell with one line batch scripts of the form:
:: The @ symbol at the start turns off the prompt from displaying the command.
:: The % represents an argument, while the * means all of them.
@c:\programs\pythonX.Y\python.exe %*
Name them pythonX.Y.bat and put them somewhere in your PATH. Copy ...
Partly cherry-picking a commit with Git
...You can of course provide specific paths to add -p if necessary. If you're starting with a patch you could replace the cherry-pick with apply.
If you really want a git cherry-pick -p <commit> (that option does not exist), your can use
git checkout -p <commit>
That will diff the cur...
How can I break up this long line in Python?
...
That's a start. It's not a bad practice to define your longer strings outside of the code that uses them. It's a way to separate data and behavior. Your first option is to join string literals together implicitly by making them adj...
How to display a confirmation dialog when clicking an link?
...
@CiaranG It always starts like this :), then you add this and that, etc. If you manage to embrace separation of concerns, you will feel cleaner if you get rid of most of these inline handlers. They just have nothing to do in your HTML. At least...