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Can someone explain the right way to use SBT?
... which might lead to initially surprising semantics. What do you think the order of execution is in the following snippet?
def a = Def.task { println("a") }
def b = Def.task { println("b") }
lazy val c = taskKey[Unit]("sbt is parallel by-default")
c := {
println("hello")
a.value
b.value
}
I...
How can I read a large text file line by line using Java?
...les.lines(Paths.get(filename), Charset.defaultCharset())) {
lines.forEachOrdered(line -> process(line));
}
Printing all the lines in the file:
try (Stream<String> lines = Files.lines(file, Charset.defaultCharset())) {
lines.forEachOrdered(System.out::println);
}
...
Fastest way to determine if an integer is between two integers (inclusive) with known sets of values
...
WOW!!! This resulted in an order of magnitude improvement in my app for this specific line of code. By precomputing upper-lower my profiling went from 25% time of this function to less than 2%! Bottleneck is now addition and subtraction operations, but...
Javascript : natural sort of alphanumerical strings
... would this work in my case, with the inner array deciding the order of the outer one?
– ptrn
May 10 '10 at 13:11
...
How to merge two arrays in JavaScript and de-duplicate items
...var array3 = array1.concat(array2).unique();
This will also preserve the order of the arrays (i.e, no sorting needed).
Since many people are annoyed about prototype augmentation of Array.prototype and for in loops, here is a less invasive way to use it:
function arrayUnique(array) {
var a = ar...
How to get these two divs side-by-side?
..._div_1, #parent_div_2, #parent_div_3 {
width: 100px;
height: 100px;
border: 1px solid red;
margin-right: 10px;
float: left;
}
.child_div_1 {
float: left;
margin-right: 5px;
}
Check working example at http://jsfiddle.net/c6242/1/
...
Using semicolon (;) vs plus (+) with exec in find
...ind . -name 'test*' -exec echo {} \;
./test.c
./test.cpp
./test.new
./test.php
./test.py
./test.sh
With a plus, the command echo is called once only. Every file found is passed in as an argument.
$ find . -name 'test*' -exec echo {} \+
./test.c ./test.cpp ./test.new ./test.php ./test.py ./test.s...
TypeError: method() takes 1 positional argument but 2 were given
...o understand that only instance methods take self as the first argument in order to refer to the instance.
In case the method is Static you don't pass self, but a cls argument instead (or class_).
Please see an example below.
class City:
country = "USA" # This is a class level attribute which wi...
How to disable typing special characters when pressing option key in Mac OS X? [closed]
...is to download Ukulele from here:
http://scripts.sil.org/cms/scripts/page.php?site_id=nrsi&id=ukelele
In the application you can create a new keylayout using File -> New from current source. Pressing Option will show you in the place for Option-b a red colored key - meaning it's a dead key....
How do you express binary literals in Python?
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