大约有 40,000 项符合查询结果（耗时：0.0409秒） [XML]
How to use performSelector:withObject:afterDelay: with primitive types in Cocoa?
...e 0 or 1. It is true that most code won't care and will simply do an if () test on it, but it is conceivable that some code will depend on it being 0 or 1, and thus won't treat some large address value as being the same as 1 (YES).
– user102008
Oct 21 '11 at 22...
Capturing multiple line output into a Bash variable
...out, stderr are 0-2, so we can use &3 or higher in bash).
result=""
./test>/tmp/foo
while read line <&3; do
result="$result$line\n"
done 3</tmp/foo
echo -e $result
you can also use mktemp, but this is just a quick code example. Usage for mktemp looks like:
filenamevar=`mkte...
How to scale Docker containers in production
...Another related project I recently discovered:
maestro
Update 2
The latest release Openstack contains support for managing Docker containers:
Docker Openstack
Paas zone within OpenStack
Update 3
System for managing Docker instances
Shipyard
And a presentation on how to use tools like P...
How do I prompt for Yes/No/Cancel input in a Linux shell script?
...cho Yes
else
echo No
fi
(Thanks to Adam Katz's comment: Replaced the test above with one that is more portable and avoids one fork:)
POSIX, but single key feature
But if you don't want the user to have to hit Return, you could write:
(Edited: As @JonathanLeffler rightly suggest, saving stty...
Using ECMAScript 6
...
Arrow functions are now fully implemented in the latest version of chrome. This tip remains useful for other ES6 features though. Like the class syntax, for example.
– Adam Brown
Oct 30 '15 at 2:05
...
Regex Last occurrence?
...
The Multi line is only for the Regexr test needed. It changes the meaning of the the $. Standard is end of the string, with Multiline its end of the row. Because the test text in Regexr has multiple rows I need this option there.
– stema
...
Why do I need to override the equals and hashCode methods in Java?
...
*/
}
Now create a class, insert Employee object into a HashSet and test whether that object is present or not.
public class ClientTest {
public static void main(String[] args) {
Employee employee = new Employee("rajeev", 24);
Employee employee1 = new Employee("rajeev", 2...
Python time measure function
I want to create a python function to test the time spent in each function and print its name with its time, how i can print the function name and if there is another way to do so please tell me
...
How do I copy an object in Java?
...
Did you test this? I could use this for my project and it is important to be correct.
– misty
Aug 24 '16 at 21:37
...
Android: show soft keyboard automatically when focus is on an EditText
...
You can request a soft keyboard right after creating the dialog (test on SDK - r20)
// create dialog
final AlertDialog dialog = ...;
// request keyboard
dialog.getWindow().setSoftInputMode (WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE);
...