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Java synchronized method lock on object, or method?
..., so two thread accessing a different variable from this same object would block each other anyway.
If you want to synchronize only on one variable at a time, so two threads won't block each other while accessing different variables, you have synchronize on them separately in synchronized () block...
How and when to use ‘async’ and ‘await’
...sync() will return to its calling method, thus the main thread doesn't get blocked. When the longRunningTask is done then a thread from the ThreadPool (can be any thread) will return to MyMethodAsync() in its previous context and continue execution (in this case printing the result to the console).
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Which is more correct: … OR …
...ou put the <a> around the <h1> and the css display property is block (which it is by default) the entire block (the height of the <h1> and 100% of the width of the container the <h1> resides in) will be clickable.
Historically you could not put a block element inside of an i...
Code block in numbered list (Wiki syntax)
...kipedia's) wiki syntax, is there a way to have a numbered list with a code block in the middle?
7 Answers
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Vim: faster way to select blocks of text in visual mode
I have been using vim for quite some time and am aware that selecting blocks of text in visual mode is as simple as SHIFT + V and moving the arrow key up or down line-by-line until I reach the end of the block of text that I want selected.
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What does 'synchronized' mean?
...;
new TestThread("THREAD 3",theDemo);
}
}
Note: synchronized blocks the next thread's call to method test() as long as the previous thread's execution is not finished. Threads can access this method one at a time. Without synchronized all threads can access this method simultaneously.
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Grep not as a regular expression
I need to search for a PHP variable $someVar . However, Grep thinks that I am trying to run a regex and is complaining:
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How do I list all cron jobs for all users?
... d m w user command
09,39 * * * * root [ -d /var/lib/php5 ] && find /var/lib/php5/ -type f -cmin +$(/usr/lib/php5/maxlifetime) -print0 | xargs -r -0 rm
47 */8 * * * root rsync -axE --delete --ignore-errors / /mirror/ >/dev/null
17 1 * * * root ...
C++ performance vs. Java/C#
...uch more tools suited for the task). Show a program that manipulates large blocks of memory in comparison, like a large-scale matrix/vector code. That'll settle this quite quickly even if, as in this case, the coders don't know what...
– stinky472
Feb 28 '12 at...
CSS fixed width in a span
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The float property generates a "block box" which does have a width.
– Stephen Caldwell
Nov 2 '08 at 23:23
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