大约有 43,000 项符合查询结果（耗时：0.0669秒） [XML]
How to set time zone of a java.util.Date?
...ies for generating all kinds of other String formats.
If required, you can convert from Joda-Time DateTime to a java.util.Date.
Java.util.Date date = dateTimeIndia.toDate();
Search StackOverflow for "joda date" to find many more examples, some quite detailed.
†Actually there is a time zone embed...
The purpose of Model View Projection Matrix
...
Because matrices are convenient. Matrices help to convert locations/directions with respect to different spaces (A space can be defined by 3 perpendicular axes and an origin).
Here is an example from a book specified by @legends2k in comments.
The residents of Cartesia ...
Why is rbindlist “better” than rbind?
...t shines are
Fast vectorized merge of list of data.frames by row
Trouble converting long list of data.frames (~1 million) to single data.frame using do.call and ldply
These have benchmarks that show how fast it can be.
rbind.data.frame is slow, for a reason
rbind.data.frame does lots of check...
Principal component analysis in Python
...ution in which the out would be that image. IM having some difficulties in converting this code to c++ because I'm new in python :)
– Orvyl
Feb 28 '14 at 6:20
add a comment
...
How to use enum values in f:selectItem(s)
...
JSF has a builtin converter for enum, so this should do:
@ManagedBean
@ApplicationScoped
public class Data {
public Status[] getStatuses() {
return Status.values();
}
}
with
<h:selectOneMenu value="#{bean.question.stat...
Evenly space multiple views within a container view
... "as is" I had to reverse the multipliers (ej. the 3:1 from the first item converts to 1:3). Just throwing this out there if it helps anyone.
– Ces
May 12 '16 at 3:01
...
Referencing a string in a string array resource with xml
...you can, but there seems to be a workaround:.
If you take a look into the Android Resource here:
http://developer.android.com/guide/topics/resources/string-resource.html
You see than under the array section (string array, at least), the "RESOURCE REFERENCE" (as you get from an XML) does not speci...
Where do I find the current C or C++ standard documents?
...he standard is maintained as LaTeX sources on Github. These sources can be converted to HTML using cxxdraft-htmlgen. The following sites maintain HTML pages so generated:
Tim Song - Current working draft - C++11 - C++14 - C++17
Eelis - Current working draft
Tim Song also maintains generated HTML...
Why would iterating over a List be faster than indexing through it?
...use every time you are indexing it restarts from the beginning of the list and goes through every item. This means that your complexity is effectively O(N^2) just to traverse the list!
If instead I did this:
for(String s: list) {
System.out.println(s);
}
then what happens is this:
head ->...
How can I change my Cygwin home folder after installation?
...f %USERPROFILE% or C:\Users\$USERNAME. Of course, the Windows directory is converted to POSIX-style by Cygwin.
cygwin AD only: The user's home directory is set to the POSIX path given in the cygwinHome attribute from the cygwinUser auxiliary class. See also the section called “The cygwin schema”...