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Best Timer for using in a Windows service
...eb.UI.Timer and System.Windows.Forms.Timer, which are respectively for ASP applications and WinForms. Using those will cause the service to load an additional assembly which is not really needed for the type of application you are building.
Use System.Timers.Timer like the following example (also, ...
Is there an easy way to request a URL in python and NOT follow redirects?
...st way to do it would be to subclass HTTPRedirectHandler and then use build_opener to override the default HTTPRedirectHandler, but this seems like a lot of (relatively complicated) work to do what seems like it should be pretty simple.
...
What is the best way to stop people hacking the PHP-based highscore table of a Flash game
...round this. I have a class here: http://divillysausages.com/blog/safenumber_and_safeint
Basically, you have an object to store your score. In the setter it multiplies the value that you pass it with a random number (+ and -), and in the getter you divide the saved value by the random multiplicator ...
How to implement a queue with three stacks?
...s of you good ideas.
EDIT: Explanation example:
| | | |3| | | |
| | | |_| | | |
| | |_____| | |
| | | |
| | |2| | |
| | |_| | |
| |_________| |
| |
| |1| |
| |_| |
|_____________|
I tried here with a little ASCII-art to show Stack1.
Every ...
Calculate distance between 2 GPS coordinates
...y solution:
#include <math.h>
#include "haversine.h"
#define d2r (M_PI / 180.0)
//calculate haversine distance for linear distance
double haversine_km(double lat1, double long1, double lat2, double long2)
{
double dlong = (long2 - long1) * d2r;
double dlat = (lat2 - lat1) * d2r;
...
How to work around the lack of transactions in MongoDB?
...e can update the post collection and comments collection.
So what are our approaches that we can take in MongoDB to overcome a lack of transactions?
restructure - restructure the code, so that we're working within a single document and taking advantage of the atomic operations that we offer withi...
Wolfram's Rule 34 in XKCD [closed]
... There was also the XKCD strip that listed number of hits for "killed in a __________ accident" (for various activities), and noted something like two hits for "blogging". That number went up very fast after the strip came out.
– David Thornley
Dec 18 '09 at 2...
Can anyone explain python's relative imports?
...from package "sub". start.py is not itself in a package even if there is a __init__.py present.
You would need to start your program from one directory over parent.py:
./start.py
./pkg/__init__.py
./pkg/parent.py
./pkg/sub/__init__.py
./pkg/sub/relative.py
With start.py:
import pkg.sub.relativ...
mongodb count num of distinct values per field/key
...}
},
{ $unwind: "$keywords" },
{
$group: {
_id: {$toLower: '$keywords'},
count: { $sum: 1 }
}
},
{
$match: {
count: { $gte: 2 }
}
},
{ $sort : { count : -1} },
{ $limit : 100 }
]);
that give result ...
What is getattr() exactly and how do I use it?
...answered Apr 10 '19 at 9:42
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