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How do I create a URL shortener?
...n auto-generated, unique numerical key (the auto-incremented id of a MySQL table for example).
For this example, I will use 12510 (125 with a base of 10).
Now you have to convert 12510 to X62 (base 62).
12510 = 2×621 + 1×620 = [2,1]
This requires the use of integer division and modulo. A pseudo...
How to deselect a selected UITableView cell?
...
use this code
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
//Change the selected background view of the cell.
[tableView deselectRowAtIndexPath:indexPath animated:YES];
}
Swift 3.0:
o...
Is “else if” a single keyword?
... a single keyword if we go to the draft C++ standard section 2.12 Keywords table 4 lists both if and else separately and there is no else if keyword. We can find a more accessible list of C++ keywords by going to cppreferences section on keywords.
The grammar in section 6.4 also makes this clear:
...
Get average color of image via Javascript
...been working on refactoring my execution to:
- store results in a lookup table for future use in the iteration over each pixel.
- to divide large images into grids of 20px 20px for localized dominance.
- to use the euclidean distance between x1y1 and x1y2 to figure out the distance between x1y...
ASP.NET MS11-100: how can I change the limit on the maximum number of posted form values?
... by MS11-100 temporarily mitigates a potential DoS attack involving hash table collisions. It appears this fix breaks pages that contain a lot of POST data. In our case, on pages that have very large checkbox lists. Why would this be the case?
...
Is there any particular difference between intval and casting to int - `(int) X`?
..., array_map('intval', $_POST['array_of_integers']));
$sql = "SELECT * FROM table WHERE ids IN ($ids)";
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Is there a job scheduler library for node.js? [closed]
...ter termination of nodejs process, all jobs will be lost. There is no cron table shipped with node-cron
– Upvote
Apr 24 '14 at 10:06
1
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Abstract Class vs Interface in C++ [duplicate]
... COM. In fact, a COM component exports only interfaces (i.e. pointers to v-tables, i.e. pointers to set of function pointers). This helps defining an ABI (Application Binary Interface) that makes it possible to e.g. build a COM component in C++ and use it in Visual Basic, or build a COM component in...
100% Min Height CSS layout
...n then be visualised with a background
image on #container; divs are not table cells, and you don't need (or
want) the physical elements to create such a visual effect. If you're
not yet convinced; think wobbly lines and gradients instead of
straight lines and simple color schemes.
Rel...
Convert objective-c typedef to its string equivalent
...ms are really just glorified integer constants. You'll have to generate a table of names yourself (or with some preprocessor abuse). For example:
// In a header file
typedef enum FormatType {
JSON,
XML,
Atom,
RSS
} FormatType;
extern NSString * const FormatType_toString[];
// In...