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How can I update a single row in a ListView?
...separate thread (with a queue and all) and when the image is downloaded, I now call notifyDataSetChanged() on the list adapter to update the image. This works, but getView() is getting called too frequently, since notifyDataSetChanged() calls getView() for all visible items. I want to update...
How to properly create composite primary keys - MYSQL
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Suppose you have already created a table now you can use this query to make composite primary key
alter table employee add primary key(emp_id,emp_name);
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What is the (function() { } )() construct in JavaScript?
I used to know what this meant, but I'm struggling now...
27 Answers
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Configure Flask dev server to be visible across the network
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I don't know if anyone else has experienced it, but I tried this method first as per the QuickStart docs, but for some odd reason the IP kept running at 127.0.0.1 (I setup my Flask executable properly, or so it seemed, wasn't sure wha...
Files showing as modified directly after a Git clone
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* text=auto
I commented it out and any other cloned repositories from now on were working fine.
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View not attached to window manager crash
... the Async task, the async task runs in the background. that is desirable. Now, this Async task has a progress dialog which is attached to the Activity, if you ask how to see the code:
pDialog = new ProgressDialog(CLASS.this);
You are passing the Class.this as context to the argument. So the Prog...
How do you share constants in NodeJS modules?
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I'm sorry to do this, but -1 for knowing better but not providing an alternative (better) solution; (re: "But really, you shouldn't do that. Keeping things properly encapsulated is a good thing.")
– Thank you
Aug 18 '13 ...
Can grep show only words that match search pattern?
... I'm not sure under what conditions it does and doesn't display, but I do know that when I used grep across a number of directories it did display the full file path for all matched files, whereas with -h it just displayed the matched words without any specification about which file it is. So, to m...
How do you express binary literals in Python?
... 0b_1110_0101
Changed in version 3.6: Underscores are now allowed for grouping purposes in literals.
Other ways of expressing binary:
You can have the zeros and ones in a string object which can be manipulated (although you should probably just do bitwise operations on the in...
Image Segmentation using Mean Shift explained
...Or:
Which is very similar to our previous result, but as you can see, now we have only three output levels.
HTH!
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