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“Variable” variables in Javascript?
...les that do not become a property of window are variables defined with let and const, and classes.
There is almost always a better solution than using variable variables! Instead you should be looking at data structures and choose the right one for your problem.
If you have a fixed set of names, s...
Implementing comparison operators via 'tuple' and 'tie', a good idea?
(Note: tuple and tie can be taken from Boost or C++11.)
When writing small structs with only two elements, I sometimes tend to choose a std::pair , as all important stuff is already done for that datatype, like operator< for strict-weak-ordering.
The downsides though are the pretty much us...
Are negative array indexes allowed in C?
I was just reading some code and found that the person was using arr[-2] to access the 2nd element before the arr , like so:
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What are the key differences between Scala and Groovy? [closed]
On the surface Groovy and Scala look pretty similar, aside from Scala being statically typed, and Groovy dynamic.
6 Answers...
Timer & TimerTask versus Thread + sleep in Java
...k is that it expresses your intention much better (i.e. code readability), and it already has the cancel() feature implemented.
Note that it can be written in a shorter form as well as your own example:
Timer uploadCheckerTimer = new Timer(true);
uploadCheckerTimer.scheduleAtFixedRate(
new Tim...
What is eager loading?
...on't do any calculations until you access an element of the result matrix; and
Over-eager loading: this is where you try and anticipate what the user will ask for and preload it.
I hope that makes sense in the context you're seeing it.
Let me give you a "Webby" example.
Imagine a page with rollo...
Importing from a relative path in Python
I have a folder for my client code, a folder for my server code, and a folder for code that is shared between them
5 Answer...
NSObject +load and +initialize - What do they do?
I'm interested in understanding the circumstances leading a developer to override +initialize or +load. Documentation makes it clear these methods are called for you by the Objective-C runtime, but that's really all that is clear from the documentation of those methods. :-)
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Single script to run in both Windows batch and Linux Bash?
...rite a single script file which executes in both Windows (treated as .bat) and Linux (via Bash)?
11 Answers
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How to get start and end of day in Javascript?
How to get start ( 00:00:00 ) and end ( 23:59:59 ) of today in timestamp ( GMT )? Computer use a local time.
7 Answers
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