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JavaScript closure inside loops – simple practical example
...{
funcs[i] = createfunc(i);
}
for (var j = 0; j < 3; j++) {
// and now let's run each one to see
funcs[j]();
}
Since there is no block scope in JavaScript - only function scope - by wrapping the function creation in a new function, you ensure that the value of "i" remains as you inte...
How does the SQL injection from the “Bobby Tables” XKCD comic work?
...call it Derper) are concatenated with the rest of the query, the result is now actually two queries separated by the statement terminator (semicolon). The second query has been injected into the first. When the code executes this query against the database, it will look like this
INSERT INTO Stud...
Running a specific test case in Django when your app has a tests directory
...t notation for the element you want to run.
Automatic test discovery will now find tests in any file that starts with test under the working directory, so addressing the question you would have to rename your files, but you can now keep them inside the directory you want. If you want to use custom ...
What is the difference between self-types and trait subclasses?
...and Scala", you'll get many links, including presentations and videos. For now, here is a link to another question.
Now, as to what is the difference between a self type and extending a trait, that is simple. If you say B extends A, then B is an A. When you use self-types, B requires an A. There ar...
Time complexity of Euclid's Algorithm
...o follow what happens over two iterations:
a', b' := a % b, b % (a % b)
Now a and b will both decrease, instead of only one, which makes the analysis easier. You can divide it into cases:
Tiny A: 2a <= b
Tiny B: 2b <= a
Small A: 2a > b but a < b
Small B: 2b > a but b < a
Equal...
When is JavaScript's eval() not evil?
...-looking command". So, when is it OK to use something dangerous? When you know what the danger is, and when you're taking the appropriate precautions.
To the point, let's look at the dangers in the use of eval(). There are probably many small hidden dangers just like everything else, but the two bi...
Sorting a list using Lambda/Linq to objects
...ist.OrderBy(sorter);
else
list = list.OrderByDescending(sorter);
}
Now you can specify the field to sort when calling the Sort method.
Sort(ref employees, e => e.DOB, SortDirection.Descending);
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How to delete a workspace in Perforce (using p4v)?
...d have created a few workspaces as exercises for getting familiar with it. Now I would like to delete some of the workspaces. I just want to get rid of the workspaces so that they do not appear on the drop-down in the workspaces view ( do not want to do anything with actual depot files).
...
Keep ignored files out of git status
...her of the above commands worked for me. In both cases git says it has no knowledge of the files in question but they still show up in git status :(
– Cfreak
Dec 28 '12 at 0:06
5
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How to train an artificial neural network to play Diablo 2 using visual input?
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UPDATE 2018-07-26: That's it! We are now approaching the point where this kind of game will be solvable! Using OpenAI and based on the game DotA 2, a team could make an AI that can beat semi-professional gamers in a 5v5 game. If you know DotA 2, you know this ga...