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When to use single quotes, double quotes, and backticks in MySQL
...write queries. I also understand the importance of being consistent. Until now, I have randomly used single quotes, double quotes, and backticks without any real thought.
...
Explanation of [].slice.call in javascript?
...ray, then iterate through the object it's running on (originally an array, now a NodeList) and keep appending the elements of that object to the empty array it created, which is eventually returned. Here's an article on this.
EDIT:
So it starts with an empty array [], then slice is used to
co...
Automatic Preferred Max Layout Width is not available on iOS versions prior to 8.0
...e as marking
explicit and setting the value 0.
Update 1:
This bug has now been fixed in Xcode 6 GM.
Original Answer
This is a bug in Xcode6-Beta6 and XCode6-Beta7 and can be safely ignored for now.
An Apple engineer in the Apple Developer forums had this to say about the bug:
Preferred ma...
How to avoid explicit 'self' in Python?
...ereby break code.
One extreme example: you can write a class without any knowledge of what base classes it might have, and always know whether you are accessing a member or not:
class A(some_function()):
def f(self):
self.member = 42
self.method()
That's the complete code! (some_funct...
What is the best AJAX library for Django? [closed]
...uld be the official client-side framework for ASP.NET MVC, so its good to know regardless of what server side framework you're using.
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Explaining Python's '__enter__' and '__exit__'
...
If you know what context managers are then you need nothing more to understand __enter__ and __exit__ magic methods. Lets see a very simple example.
In this example I am opening myfile.txt with help of open function. The try/finally...
How to determine the longest increasing subsequence using dynamic programming?
...tEnd in a loop using prev[bestEnd]. The -1 value is a sign to stop.
OK, now to the more efficient O(N log N) solution:
Let S[pos] be defined as the smallest integer that ends an increasing sequence of length pos. Now iterate through every integer X of the input set and do the following:
If X &...
Simple explanation of MapReduce?
...rite it like this
A = [7, 8, 9]
sum = A.reduce( 0, (x, y) => x + y )
Now it's a little confusing why there are 2 arguments (0 and the function with x and y) passed. For a reduce function to be useful, it must be able to take 2 items, compute something and "reduce" that 2 items to just one sing...
Generate Java class from JSON?
...t. It's still in draft (not finalised) but it's close to completion and is now a viable tool specifying your structural rules
I've recently started a new open source project specifically intended to solve your problem: jsonschema2pojo. The jsonschema2pojo tool takes a json schema document and gener...
Looping through a hash, or using an array in PowerShell
...not; because I, like most people, like my code to run as fast as possible. Now, your argument is changing to running jobs in parallel (potentially using multiple computers/servers) ... which of course is faster than running a job in series from a single thread. Cheers!
– Vertig...