大约有 47,000 项符合查询结果（耗时：0.0824秒） [XML]
How does inheritance work for Attributes?
...
3 Answers
3
Active
...
how to permit an array with strong parameters
I have a functioning Rails 3 app that uses has_many :through associations which is not, as I remake it as a Rails 4 app, letting me save ids from the associated model in the Rails 4 version.
...
bash HISTSIZE vs. HISTFILESIZE?
...session, you start over at 1 with a HISTFILE of HISTFILESIZE=10.
Example 3:
HISTFILESIZE=5 and HISTSIZE=10
You start your session.
Your HISTFILE (file that stores your bash command history), is truncated to contain at most HISTFILESIZE=5 lines.
You write 50 lines.
At the end of your 50 command...
Turning off some legends in a ggplot
...
308
You can use guide=FALSE in scale_..._...() to suppress legend.
For your example you should us...
D3.js: How to get the computed width and height for an arbitrary element?
...
3 Answers
3
Active
...
Why can I create a class named “var”?
...
answered May 11 '12 at 9:43
Sam HolderSam Holder
30.2k1313 gold badges9292 silver badges167167 bronze badges
...
Build.scala, % and %% symbols meaning
...:
val appDependencies = Seq(
"org.scala-tools" % "scala-stm_2.9.1" % "0.3"
)
Assuming the scalaVersion for your build is 2.9.1, the following is identical:
val appDependencies = Seq(
"org.scala-tools" %% "scala-stm" % "0.3"
)
As you can see above, if you use %%, you don't have to spec...
How to find out element position in slice?
...
3
I agree with Evan. Additional comment: it's more idiomatic to return just an int where -1 indicates "not found" (like bytes.IndexByte)
...