大约有 40,000 项符合查询结果（耗时：0.0412秒） [XML]
Passing enum or object through an intent (the best solution)
... Num{A ,B}
Sending(enum to integer):
Num send = Num.A;
intent.putExtra("TEST", send.ordinal());
Receiving(integer to enum):
Num rev;
int temp = intent.getIntExtra("TEST", -1);
if(temp >= 0 && temp < Num.values().length)
rev = Num.values()[temp];
Best regards.
:)
...
Deleting all records in a database table
...dels attached to it you can do:
rake db:purge
you can also do it on the test database
rake db:test:purge
share
|
improve this answer
|
follow
|
...
How can I delete a newline if it is the last character in a file?
...s was described as a 'perl blasphemy' on the awk website I saw.
But, in a test, it worked.
share
|
improve this answer
|
follow
|
...
Can a java file have more than one class?
...tion unit. The c.u. must be named exactly as this public top-level type.
//Test.java
//named exactly as the public class Test
public class Test{...}
//!public class Operations{...}
interface Selector{...}
...
//Other non-public classes/interfaces
Important points about the main method - part 1
Part...
How to check Django version
...d 2.7. Now I have installed Django. I could run the sample application for testing Django succesfuly. But how do I make sure whether Django uses the 2.6 or 2.7 version and what version of modules Django uses?
...
Global variables in R
... set a global variable in a mailinglist posting via assign:
a <- "old"
test <- function () {
assign("a", "new", envir = .GlobalEnv)
}
test()
a # display the new value
share
|
improve thi...
How to remove not null constraint in sql server using query
...
Remove constraint not null to null
ALTER TABLE 'test' CHANGE COLUMN 'testColumn' 'testColumn' datatype NULL;
share
|
improve this answer
|
follow
...
JUnit assertEquals(double expected, double actual, double epsilon) [duplicate]
....0) equals 3.0 in contrary to the original behavior which tells NaN. In my test cases assertEquals(double,double) is the desired thing and I don't get why it got deprecated. Sometimes you can expect punctual results even when you use float or double. </rant>
– Notinlist
...
Should I use “hasClass” before “addClass”? [duplicate]
...s worth, there is a performance improvement with .hasClass() in my limited testing: http://jsperf.com/jquery-hasclass-vs-addclass-and-removeclass
However, even when standalone .removeClass() reports several times slower in Chrome, it comes in at approximately 70,000 operations a second.
...
How to merge images in command line? [closed]
...me comparison of merging 12 images:
time convert image{1..12}.jpg -append test.jpg
real 0m3.178s
user 0m3.850s
sys 0m0.376s
time gm convert image{1..12}.jpg -append test.jpg
real 0m1.912s
user 0m2.198s
sys 0m0.766s
GraphicsMagick is almost twice as fast as ImageMagick.
...