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Algorithm to find Largest prime factor of a number
What is the best approach to calculating the largest prime factor of a number?
27 Answers
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SQLite add Primary Key
... key index, (i.e. sqlite_autoindex_XXX_1, where XXX is the table name) and set the sql string to NULL. At last change the table definition itself.
One pittfal: sqlite does not see the index name change until the database is reopened. This seems like a bug, but not a severe one (even without reopenin...
Using IQueryable with Linq
...tackOverflowUser No - that's the beauty of IQueryable<T> - it can be setup to evaluate when you get the results - which means the Where clause, used after the fact, will still get translated into a SQL statement run on the server, and pull only the required elements across the wire...
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Explain the encapsulated anonymous function syntax
Can you explain the reasoning behind the syntax for encapsulated anonymous functions in JavaScript? Why does this work: (function(){})(); but this doesn't: function(){}(); ?
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Comparing boxed Long values 127 and 128
... Integer objects instances from the range -128 to 127. That said:
If you set to N Long variables the value 127 (cached), the same object instance will be pointed by all references. (N variables, 1 instance)
If you set to N Long variables the value 128 (not cached), you will have an object instance...
How can I quantify difference between two images?
...PIL library will help to do it in Python.
If they are taken with the same settings and the same device, they are probably the same.
Are images well-aligned?
If not, you may want to run cross-correlation first, to find the best alignment first. SciPy has functions to do it.
If the camera and the s...
Android: Clear Activity Stack
... activity stack regardless of what's in there and create new root, correct set of flags is the following:
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
From the doc:
public static final int FLAG_ACTIVITY_CLEAR_TASK
Added in API level 11
If set in an...
Possible reason for NGINX 499 error codes
...at the reader knows as little as I did when I started playing around.
My setup was a reverse proxy, the nginx server, and an application server, the uWSGI server behind it. All requests from the client would go to the nginx server, then forwarded to the uWSGI server, and then response was sent the...
Clear form field after select for jQuery UI Autocomplete
... Let me just add that once you return false you no longer need to set the value yourself (i.e. no need for $(this).val('');)
– Uri
Sep 7 '11 at 10:06
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Why can't Python parse this JSON data?
I have this JSON in a file:
9 Answers
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