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What is the best Distributed Brute Force countermeasure?
...Be brave, friend, the journey will be worth it)
Combining methods 3 and 4 from the original post into a kind of 'fuzzy' or dynamic whitelist, and then - and here's the trick - not blocking non-whitelisted IPs, just throttling them to hell and back.
Note that this measure is only meant to thwart...
How to remove outliers from a dataset
I've got some multivariate data of beauty vs ages. The ages range from 20-40 at intervals of 2 (20, 22, 24....40), and for each record of data, they are given an age and a beauty rating from 1-5. When I do boxplots of this data (ages across the X-axis, beauty ratings across the Y-axis), there are so...
Difference between volatile and synchronized in Java
...ivate copies of main memory.
Using synchronized prevents any other thread from obtaining the monitor (or lock) for the same object, thereby preventing all code blocks protected by synchronization on the same object from executing concurrently. Synchronization also creates a "happens-before" memory...
How does Dijkstra's Algorithm and A-Star compare?
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In dijkstra, we only consider the distance from the source right? And the minimum vertex is taken into consideration?
– Kraken
Apr 26 '13 at 22:18
5...
Move an array element from one array position to another
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Here's a one liner I found on JSPerf....
Array.prototype.move = function(from, to) {
this.splice(to, 0, this.splice(from, 1)[0]);
};
which is awesome to read, but if you want performance (in small data sets) try...
Array.prototype.move2 = function(pos1, pos2) {
// local variables
v...
Accessing items in an collections.OrderedDict by index
...tainers project has a SortedDict type for just this purpose.
>>> from sortedcontainers import SortedDict
>>> sd = SortedDict()
>>> sd['foo'] = 'python'
>>> sd['bar'] = 'spam'
>>> print sd.iloc[0] # Note that 'bar' comes before 'foo' in sort order.
'bar'
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How do you get a query string on Flask?
Not obvious from the flask documention on how to get the query string. I am new, looked at the docs, could not find!
9 A...
How to merge a specific commit in Git
I have forked a branch from a repository in GitHub and committed something specific to me. Now I found the original repository had a good feature which was at HEAD .
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What is move semantics?
...e pointer and then set the original pointer to null (to prevent 'delete[]' from source object's destructor from releasing our 'just stolen data'). In effect, we have "stolen" the data that originally belonged to the source string. Again, the key insight is that under no circumstance could the client...
Upgrading PHP in XAMPP for Windows?
...grade PHP in Xampp for Windows? I tried to download the latest PHP version from the main PHP site but when I check (phpinfo) I still get that the previous version is still in use.
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