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What is a build tool?
...of tasks that software developers do in their day-to-day
activities like:
Downloading dependencies.
Compiling source code into binary code.
Packaging that binary code.
Running tests.
Deployment to production systems.
Why do we use build tools or build automation?
In small projects, developers wi...
How to change the output color of echo in Linux
...?
Yes, you can. I experienced in bash, c, c++, d perl, python
Do they slow down the speed of a program?
I think, NO.
Can we use these on Windows?
3/4-bit Yes, if you compile the code with gcc
some screen-shots on Win-7
How to calculate the length of code?
\033[ = 2, other parts 1
Where can we use th...
Ruby on Rails: Where to define global constants?
... :state, inclusion: {in: STATES, message: "-- choose a State from the drop down list."}
end
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Efficient way to insert a number into a sorted array of numbers?
...an unsigned right shift, whereas >> is sign-extending - it all boils down to in-memory representation of negative numbers, where the high bit is set if negative. So if you shift 0b1000 right 1 place with >> you'll get 0b1100, if you instead use >>> you'll get 0b0100. While in th...
When should I use RequestFactory vs GWT-RPC?
..., total chips) and other information that only one player should see (face down cards).
– Peter Recore
Sep 19 '11 at 17:02
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Collections.emptyMap() vs new HashMap()
...t;> fooBarMap = Collections.emptyMap();
The latter clearly wins hands-down on readability in two important ways:
In the first declaration, the whole instantiation of an empty map is buried in the noise of generic type declarations, making an essentially trivial declaration much more cryptic t...
Event handling for iOS - how hitTest:withEvent: and pointInside:withEvent: are related?
...called on D, and returns YES
On the views that returned YES, it will look down on the hierarchy to see the subview where the touch took place. In this case, from A, C and D, it will be D.
D will be the hit-test view
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get dictionary key by value
... to find it. If you have a number of entries, this will slow your program down.
– Zach Johnson
Mar 14 '10 at 22:41
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Why use a prime number in hashCode?
...
Here's a citation a little closer to the source.
It boils down to:
31 is prime, which reduces collisions
31 produces a good distribution, with
a reasonable tradeoff in speed
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Please explain some of Paul Graham's points on Lisp
... I would try to avoid thinking in terms of C/C++ concepts. They slowed me down heaps when I was trying to get my head around the beautiful simplicity of Lisps.
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