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Choose between ExecutorService's submit and ExecutorService's execute
... });
service.shutdown();
}
public static void main(String args[]){
ExecuteSubmitDemo demo = new ExecuteSubmitDemo();
}
}
output:
java ExecuteSubmitDemo
creating service
a and b=4:0
Same code throws by replacing submit() with execute() :
Replace
service.subm...
How can you zip or unzip from the script using ONLY Windows' built-in capabilities?
...
It was possible back in 2013 (without installing any extra software). See the Super User question. It has been possible since Windows XP came out in 2001. The built-in ZIP functionality in Windows XP can be leveraged because it is exposed through a COM interface.
...
Why doesn't await on Task.WhenAll throw an AggregateException?
...on and throws the underlying exception. By leveraging
await, you avoid the extra work to handle the AggregateException type
used by Task.Result, Task.Wait, and other Wait methods defined in the
Task class. That’s another reason to use await instead of the
underlying Task methods....
...
private[this] vs private
...Without private[this]
object ObjectPrivateDemo {
def main(args: Array[String]) {
var real = new User("realUserName", "realPassword")
var guest = new User("dummyUserName", "dummyPassword")
real.displayUser(guest)
}
}
class User(val username:String,val password:String) {
private...
Are single quotes allowed in HTML?
...uotes in PHP so that I can interpolate variables rather than concatenating strings. As a result, when I am generating HTML I often use single quotes for setting tag fields. For example:
...
The tilde operator in Python
...o so before supplying an __invert__ method to your class. (Note that byte-strings [ex: '\xff'] do not support this operator, even though it is meaningful to invert all the bits of a byte-string.)
share
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Extract filename and extension in Bash
... would greedily remove the longest match to the . and you'd have the empty string.
(You can work around that with a temporary variable:
FULL_FILENAME=$FILENAME
FILENAME=${FULL_FILENAME##*/}
echo ${FILENAME%%.*}
)
This site explains more.
${variable%pattern}
Trim the shortest match from th...
PDO Prepared Inserts multiple rows in single query
...all it once before the loop with sizeof($datafields) and append the result string to $question_marks[] inside the loop.
– AVIDeveloper
Jun 28 '16 at 7:44
|...
OwinStartup not firing
...e
Attach to w3wp.exe process
Touch the web.config file
Request a webpage
Extra tip
Maybe doing this will flush a cache:
In web.config add the optimizeCompilations attribute with a false value
<compilation debug="true" ... optimizeCompilations="false">
Run site
Undo the change in web.con...
Mutex example / tutorial? [closed]
... entry to the room much like the phone booth. So now, even though you have extra mutexes, you can reuse the phone booth in any project. Another option would be to expose locking mechanisms for each device in the room and manage the locks in the room class. Either way, you wouldn't add new locks to t...