大约有 43,169 项符合查询结果（耗时：0.0408秒） [XML]
Odd behavior when Java converts int to byte?
Mindboggling. Why is the output -124 ?
11 Answers
11
...
Disable a group of tests in rspec?
...
169
To disable a tree of specs using RSpec 3 you can:
before { skip }
# or
xdescribe
# or
xcont...
Can I add jars to maven 2 build classpath without installing them?
... |
edited Aug 9 at 15:39
Spooky
2,79977 gold badges2222 silver badges3939 bronze badges
answered ...
How to sort a collection by date in MongoDB?
...
10 Answers
10
Active
...
Javascript: formatting a rounded number to N decimals
...number, something like:
var s = number.toString();
if (s.indexOf('.') == -1) s += '.';
while (s.length < s.indexOf('.') + 4) s += '0';
(Note that this assumes that the regional settings of the client uses period as decimal separator, the code needs some more work to function for other settings...
MySQL's now() +1 day
...
461
You can use:
NOW() + INTERVAL 1 DAY
If you are only interested in the date, not the date and ...
Scala Doubles, and Precision
...e or round a Double? At one point in my code I would like a number like: 1.23456789 to be rounded to 1.23
12 Answers
...
Grep characters before and after match?
...
187
3 characters before and 4 characters after
$> echo "some123_string_and_another" | grep -o ...
How to convert an array of strings to an array of floats in numpy?
...
181
Well, if you're reading the data in as a list, just do np.array(map(float, list_of_strings)) (...