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How to loop backwards in python? [duplicate]
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302
range() and xrange() take a third parameter that specifies a step. So you can do the following....
How to get the class of the clicked element?
...ar myClasses = this.classList;
alert(myClasses.length + " " + myClasses[0]);
});
You can emulate classList in older browsers using myClass.split(/\s+/);
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nginx: send all requests to a single html page
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I think this will do it for you:
location / {
try_files /base.html =404;
}
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How to prevent browser page caching in Rails
...nse.headers["Pragma"] = "no-cache"
response.headers["Expires"] = "Mon, 01 Jan 1990 00:00:00 GMT"
end
end
Rails 4 and older versions:
class ApplicationController < ActionController::Base
before_filter :set_cache_headers
private
def set_cache_headers
response.headers["Cache-Co...
Cast a Double Variable to Decimal
... orad
11.8k1818 gold badges6565 silver badges102102 bronze badges
answered May 15 '11 at 7:48
GuffaGuffa
619k9090 gold badge...
What are the best Haskell libraries to operationalize a program? [closed]
...4,952 bytes allocated in the heap
1 MB total memory in use
%GC time 0.0% (6.1% elapsed)
Productivity 100.0% of total user, 0.0% of total elapsed
You can get this in machine-readable format too:
$ ./A +RTS -t --machine-readable
[("bytes allocated", "64952")
,("num_GCs", "1")
,("averag...
How to get the anchor from the URL using jQuery?
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208
You can use the .indexOf() and .substring(), like this:
var url = "www.aaa.com/task1/1.3.html#...
not None test in Python [duplicate]
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1033
if val is not None:
# ...
is the Pythonic idiom for testing that a variable is not set t...
what's the difference between “hadoop fs” shell commands and “hdfs dfs” shell commands?
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140
Following are the three commands which appears same but have minute differences
hadoop fs {arg...
Error handling in Bash
... trap!
tempfiles=( )
cleanup() {
rm -f "${tempfiles[@]}"
}
trap cleanup 0
error() {
local parent_lineno="$1"
local message="$2"
local code="${3:-1}"
if [[ -n "$message" ]] ; then
echo "Error on or near line ${parent_lineno}: ${message}; exiting with status ${code}"
else
echo "E...