大约有 43,200 项符合查询结果（耗时：0.0388秒） [XML]
How to round a number to significant figures in Python
...
146
You can use negative numbers to round integers:
>>> round(1234, -3)
1000.0
Thus if...
Is False == 0 and True == 1 an implementation detail or is it guaranteed by the language?
Is it guaranteed that False == 0 and True == 1 , in Python (assuming that they are not reassigned by the user)? For instance, is it in any way guaranteed that the following code will always produce the same results, whatever the version of Python (both existing and, likely, future ones)?
...
Programmatically Lighten or Darken a hex color (or rgb, and blend colors)
...unt. Just pass in a string like "3F6D2A" for the color ( col ) and a base10 integer ( amt ) for the amount to lighten or darken. To darken, pass in a negative number (i.e. -20 ).
...
How to get first character of string?
...
16 Answers
16
Active
...
How can I get query string values in JavaScript?
...
1
2
3
Next
8525
...
How to add new item to hash
...
Create the hash:
hash = {:item1 => 1}
Add a new item to it:
hash[:item2] = 2
share
|
improve this answer
|
follow
...
Asterisk in function call
...
182
* is the "splat" operator: It takes a list as input, and expands it into actual positional arg...
Validate that a string is a positive integer
...
13 Answers
13
Active
...
How to access cookies in AngularJS?
...}</pre>
<script src="//ajax.googleapis.com/ajax/libs/angularjs/1.2.19/angular.js"></script>
<script src="//ajax.googleapis.com/ajax/libs/angularjs/1.2.19/angular-cookies.js"></script>
<script>
angular.module('myApp', ['ngCookies']);
app.controller('...
Design patterns or best practices for shell scripts [closed]
...l:: -- "$@"`
if test $? != 0
then
echo "unrecognized option"
exit 1
fi
eval set -- "$getopt_results"
while true
do
case "$1" in
--config_file)
CommandLineOptions__config_file="$2";
shift 2;
;;
--debug_level)
CommandLineOp...