大约有 47,000 项符合查询结果（耗时：0.0694秒） [XML]
How do you round a float to two decimal places in jruby
JRuby 1.6.x. How do you round a float to decimal places in jruby.
6 Answers
6
...
dplyr: “Error in n(): function should not be called directly”
...
120
I presume you have dplyr and plyr loaded in the same session. dplyr is not plyr. ddply is not ...
Rspec: “array.should == another_array” but without concern for order
...
answered Jun 5 '10 at 3:08
x1a4x1a4
18.6k44 gold badges3737 silver badges3838 bronze badges
...
Retina displays, high-res background images
...
185
Do I need to double the size of the .box div to 400px by 400px to
match the new high res ...
Using LIMIT within GROUP BY to get N results per group?
...
13 Answers
13
Active
...
Bash script to receive and repass quoted parameters
... level of quoting at all. I.E. just call the above script like:
./test.sh 1 2 "3 4"
share
|
improve this answer
|
follow
|
...
Pry: show me the stack
...
51
Use the pry-stack_explorer plugin, it allows you to move up and down the call-stack (with up and...
Converting from Integer, to BigInteger
...
|
edited Nov 1 '12 at 22:21
answered Oct 7 '10 at 2:09
...
How can i get the session object if i have the entity-manager
...
181
To be totally exhaustive, things are different if you're using a JPA 1.0 or a JPA 2.0 implemen...
R apply function with multiple parameters
I have a function f(var1, var2) in R. Suppose we set var2 = 1 and now I want to apply the function f() to the list L . Basically I want to get a new list L* with the outputs
...