大约有 42,000 项符合查询结果（耗时：0.0620秒） [XML]
Python's time.clock() vs. time.time() accuracy?
Which is better to use for timing in Python? time.clock() or time.time()? Which one provides more accuracy?
16 Answers
...
How to say “should_receive” more times in RSpec
...expect syntax of rspec will look like this:
for 2 times:
expect(Project).to receive(:find).twice.with(@project).and_return(@project)
for exactly n times:
expect(Project).to receive(:find).exactly(n).times.with(@project).and_return(@project)
for at least n times:
expect(Project).to receive(:m...
log4net argument to LogManager.GetLogger
...
I think you've got the reason. I do it that way so I don't have to worry about the class name and can just copy and paste boiler plate code in a new class.
For the official answer, see: How do I get the fully-qualified name of a class in a static block? at the log4net faq
...
How to include file in a bash shell script
Is there a way to include another shell script in a shell script to be able to access its functions?
5 Answers
...
Shell equality operators (=, ==, -eq)
...ps you remember which is which.
== is a bash-ism, by the way. It's better to use the POSIX =. In bash the two are equivalent, and in plain sh = is the only one guaranteed to work.
$ a=foo
$ [ "$a" = foo ]; echo "$?" # POSIX sh
0
$ [ "$a" == foo ]; echo "$?" # bash specific
0
$ [ "$a" -e...
PostgreSQL DISTINCT ON with different ORDER BY
I want to run this query:
6 Answers
6
...
correct way to define class variables in Python [duplicate]
...s:
Elements outside the __init__ method are static elements; they belong to the class.
Elements inside the __init__ method are elements of the object (self); they don't belong to the class.
You'll see it more clearly with some code:
class MyClass:
static_elem = 123
def __init__(self):
...
how to view the contents of a .pem certificate
I am using Java keytool . I have exported a self-signed .pem certificate from my keystore. Is there a command to view the certificate details directly from the .pem file (not of the certificate in the keystore)?
...
ORA-00979 not a group by expression
...SELECT in the GROUP BY or use functions on them which compress the results to a single value (like MIN, MAX or SUM).
A simple example to understand why this happens: Imagine you have a database like this:
FOO BAR
0 A
0 B
and you run SELECT * FROM table GROUP BY foo. This means the database m...
Run a Java Application as a Service on Linux
...ns and creating new handlers for them. It is a server side implementation to a client-server application.
16 Answers
...