大约有 25,300 项符合查询结果（耗时：0.0388秒） [XML]
Is there a difference between “==” and “is”?
My Google-fu has failed me.
14 Answers
14
...
String concatenation vs. string substitution in Python
...e and when of using string concatenation versus string substitution eludes me. As the string concatenation has seen large boosts in performance, is this (becoming more) a stylistic decision rather than a practical one?
...
master branch and 'origin/master' have diverged, how to 'undiverge' branches'?
Somehow my master and my origin/master branch have diverged.
I actually don't want them to diverge.
13 Answers
...
Programmatically set height on LayoutParams as density-independent pixels
... convert your dip value into pixels:
int height = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, <HEIGHT>, getResources().getDisplayMetrics());
For me this does the trick.
share
|
...
Deprecated warning for Rails 4 has_many with order
...
For ordering asc/desc, use -> { order(name: :asc) }
– wspruijt
Feb 25 '14 at 13:44
1
...
Webstorm: “Cannot Resolve Directory”
This is starting to bug me and I'd either like it turned off or fixed. So Webstorm has a sweet feature in it's HTML parser that will attempt to resolve directories in strings that are supposed to reference a file in your project. For example:
...
Fetch first element which matches criteria
How to get first element that matches a criteria in a stream? I've tried this but doesn't work
3 Answers
...
How do you handle multiple submit buttons in ASP.NET MVC Framework?
Is there some easy way to handle multiple submit buttons from the same form? For example:
35 Answers
...
Use of an exclamation mark in a Git commit message via the command line
How do I enter an exclamation point into a Git commit message from the command line?
6 Answers
...
How to write trycatch in R
...
Well then: welcome to the R world ;-)
Here you go
Setting up the code
urls <- c(
"http://stat.ethz.ch/R-manual/R-devel/library/base/html/connections.html",
"http://en.wikipedia.org/wiki/Xz",
"xxxxx"
)
readUrl <- functio...