大约有 45,000 项符合查询结果(耗时:0.0499秒) [XML]
How to correctly close a feature branch in Mercurial?
...
218
One way is to just leave merged feature branches open (and inactive):
$ hg up default
$ hg me...
How to find all serial devices (ttyS, ttyUSB, ..) on Linux without opening them?
...
12 Answers
12
Active
...
How can I add numbers in a Bash script?
...
For integers:
Use arithmetic expansion: $((EXPR))
num=$((num1 + num2))
num=$(($num1 + $num2)) # Also works
num=$((num1 + 2 + 3)) # ...
num=$[num1+num2] # Old, deprecated arithmetic expression syntax
Using the external expr utility. Note that this is only needed for ...
R programming: How do I get Euler's number?
For example, how would I go about entering the value e^2 in R?
3 Answers
3
...
How can I parse a time string containing milliseconds in it with python?
...
327
Python 2.6 added a new strftime/strptime macro %f, which does microseconds. Not sure if this i...
Mockito. Verify method arguments
... |
edited Feb 19 '17 at 21:00
Nikunj Undhad
22222 silver badges66 bronze badges
answered Aug 19 '15 at...
Define a lambda expression that raises an Exception
... however allow you to conditionally raise exceptions, e.g.:
y = lambda x: 2*x if x < 10 else raise_(Exception('foobar'))
Alternatively you can raise an exception without defining a named function. All you need is a strong stomach (and 2.x for the given code):
type(lambda:0)(type((lambda:0)....
Is it possible to use argsort in descending order?
...
235
If you negate an array, the lowest elements become the highest elements and vice-versa. There...
Error:(1, 0) Plugin with id 'com.android.application' not found
... my first attempt at Android Studio. I installed 0.8.0 and updated to 0.8.2. As soon as a project is created I get the error message:
...
Getting the first character of a string with $str[0]
...
Alexis Wilke
14.2k77 gold badges5151 silver badges9898 bronze badges
answered Dec 28 '09 at 23:31
HockHock
...
