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What algorithms compute directions from point A to point B on a map?
...ruck-friendly and can cope with having every sat-nav-following driver sent down them, you quickly discard the triangle inequality[1].
If Y is a narrow residential street between X and Z, you probably do only want to use the shortcut via Y if the user explicitly asks for X-Y-Z. If they ask for X-Z, ...
Is non-blocking I/O really faster than multi-threaded blocking I/O? How?
...anaged threads, or with just one lone process -- the difference might come down to thread context switching or operating system schedule optimizations, but if both tasks are going to the CPU it would be similar in either case.
It is useful to imagine a lot of the unusual or stupid corner cases you ...
What's the best practice to round a float to 2 decimals? [duplicate]
... return bd.floatValue();
}
You need to decide if you want to round up or down. In my sample code I am rounding up.
Hope it helps.
EDIT
If you want to preserve the number of decimals when they are zero (I guess it is just for displaying to the user) you just have to change the function type from...
grep exclude multiple strings
... sequentially, where each one of them filters something out. It could slow down things significantly.
– Artem Oboturov
Jul 31 '17 at 15:20
add a comment
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How to show disable HTML select option in by default?
I am new to HTML and PHP and want to achieve a drop-down menu from the mysql table and hard-coded too. I have multiple select in my page, One of them is
...
Node.js or Erlang
... functional style. If you use jQuery or Prototype, you've already started down this path. Try bouncing between pure functional programming in Erlang or one of its kin (Haskell, F#, Scala...) and functional JS.
Once you're comfortable with functional programming, seek out one of the many Erlang we...
Twitter Bootstrap Customization Best Practices [closed]
... that the changes to bootstrap will be frequent, I want to be able to pull down the latest source and make minimal changes by keeping my modifications in separate files. Of course, it's not completely bullet proof.
Copy the bootstrap.less and variables.less to the parent directory. Rename bootst...
.NET unique object identifier
...es), but it's still a single value. It's like a house address: I can write down my home address on multiple on many pieces of paper, but that's still the identifier for my house. Any two non-identical reference values must refer to different objects - at least in C#.
– Jon Skee...
How to move all files including hidden files into parent directory via *
...shopt to read all about it straightforwardly. (Might have to hit n to jump down to the command if there are lines starting with shopt, as I found.)
– Nick Rice
Nov 20 '14 at 16:22
...
How to “properly” create a custom object in JavaScript?
...re's an implicit new in var that = {}; anyway.
– Tim Down
Oct 20 '09 at 23:04
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Crockford is a c...