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No route matches [GET] /assets
....
You can either set to that true or use a real server like Apache or Nginx which will serve the static assets. I suspect Pow may also do it.
If you're on Heroku, they recommend the use of the rails_12factor gem which enables this setting by default. Place the gem into a production group in your...
Difference between this and self in JavaScript
...he value of self is window because JavaScript lets you access any property x of window as simply x, instead of window.x. Therefore, self is really window.self, which is different to this.
window.self === window; // true
If you're using a function that is executed in the global scope and is not in...
Split large string in n-size chunks in JavaScript
...78", "90"]
The method will still work with strings whose size is not an exact multiple of the chunk-size:
"123456789".match(/.{1,2}/g);
// Results in:
["12", "34", "56", "78", "9"]
In general, for any string out of which you want to extract at-most n-sized substrings, you would do:
str.match(/...
Determine Whether Integer Is Between Two Other Integers?
...ison number is first compared against 10000. If it's less than 10000 the expression is immediately short-circuited and the second comparison is not checked. The complexity is O(1). in range(0, n) instead generates the entire sequence of numbers and then iterates through it. The complexity is O(n)....
STL中map容器使用自定义key类型报错详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...:_Tree<_Traits> &”推导 模板 参数
1> f:\vs2008\vc\include\xtree(1466) : 参见“std::operator <”的声明
1> f:\vs2008\vc\include\functional(142): 编译类 模板 成员函数“bool std::less<_Ty>::operator ()(const _Ty &,const _Ty &) const”时
1> with
...
Finding median of list in Python
...
(Works with python-2.x):
def median(lst):
n = len(lst)
s = sorted(lst)
return (sum(s[n//2-1:n//2+1])/2.0, s[n//2])[n % 2] if n else None
>>> median([-5, -5, -3, -4, 0, -1])
-3.5
numpy.median():
>>> from num...
Select unique or distinct values from a list in UNIX shell script
...wing input:
class
jar
jar
jar
bin
bin
java
uniq will output all lines exactly once:
class
jar
bin
java
uniq -d will output all lines that appear more than once, and it will print them once:
jar
bin
uniq -u will output all lines that appear exactly once, and it will print them once:
cla...
How to increase IDE memory limit in IntelliJ IDEA on Mac?
I'm using IDEA 12 Leda on Mountain Lion. I wanted to increase the maximum memory that IDE can use. I set the VMOptions in Info.plist file to be
-Xmx2048m -ea -XX:+HeapDumpOnOutOfMemoryError -Xverify:none -Xbootclasspath/a:../lib/boot.jar
...
Create a dictionary with list comprehension
I like the Python list comprehension syntax.
14 Answers
14
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How to use 'cp' command to exclude a specific directory?
I want to copy all files in a directory except some files in a specific sub-directory.
I have noticed that cp command didn't have the --exclude option.
So, how can I achieve this?
...