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Python's equivalent of && (logical-and) in an if-statement
...erent name in Python.
The logical operators && and || are actually called and and or.
Likewise the logical negation operator ! is called not.
So you could just write:
if len(a) % 2 == 0 and len(b) % 2 == 0:
or even:
if not (len(a) % 2 or len(b) % 2):
Some additional information (that ...
What is the point of a private pure virtual function?
...can be overridden in the derived classes. Methods of derived classes can't call virtual functions from the base class, but they can provide their own implementation for them. According to Herb Sutter, having public non-virtual interface in the base class and a private implementation that can be cust...
Is it safe to ignore the possibility of SHA collisions in practice?
...
Sorry, you are missing on the so-called "birthday paradox". Have a better look at the "nice table", it does not work the way you think. For the figures I give, in that table, it would be a value "10^9" in a column labelled "4.3*10^-60" and row "128 bits" (bu...
How many concurrent requests does a single Flask process receive?
...oncurrency. These processes don't use threads, but instead coroutines. Basically, within each process, still only 1 thing can be happening at a time (1 thread), but objects can be 'paused' when they are waiting on external processes to finish (think database queries or waiting on network I/O).
Thi...
Split function equivalent in T-SQL?
...er). The b+1 makes a big difference. Tested here with space as delimiter, didn't work without this fix.
– JwJosefy
Dec 19 '16 at 17:47
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Difference between __str__ and __repr__?
...yClass(3) and MyClass("3").
The goal of __str__ is to be readable
Specifically, it is not intended to be unambiguous — notice that str(3)==str("3"). Likewise, if you implement an IP abstraction, having the str of it look like 192.168.1.1 is just fine. When implementing a date/time abstraction, t...
TypeScript function overloading
...stion, someone explained it with a nice example: Method overloading?.
Basically, what we are doing is, we are creating just one function and a number of declarations so that TypeScript doesn't give compile errors. When this code is compiled to JavaScript, the concrete function alone will be visible...
Explicitly calling return in a function or not
...nek from the R core team (I believe) for recommending a user to explicitly calling return at the end of a function (his comment was deleted though):
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JavaScript: Create and save file [duplicate]
...all browsers, but it has to work in Chrome. I want to do this all client-side.
13 Answers
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Bypass popup blocker on window.open when JQuery event.preventDefault() is set
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Popup blockers will typically only allow window.open if used during the processing of a user event (like a click). In your case, you're calling window.open later, not during the event, because $.getJSON is asynchronous.
You have two options:
Do s...