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What is thread contention?
...he most obvious example of contention is on a lock. If thread A has a lock and thread B wants to acquire that same lock, thread B will have to wait until thread A releases the lock.
Now, this is platform-specific, but the thread may experience slowdowns even if it never has to wait for the other th...
Gesture recognizer and button actions
...archy is not working in this case. It probably should, but it's not being handled by Apple.
– Mustafa
Jan 28 '11 at 7:29
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How to remove jar file from local maven repository which was added with install:install-file?
I use above command to install local jar into maven local repo. Now I have got the dependency from maven repo. I want to remove this from local repo. How to clean it ?
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How to @link to a Enum Value using Javadoc
... edited Sep 9 '19 at 13:20
Andrew Tobilko
42.5k1111 gold badges6666 silver badges119119 bronze badges
answered Oct 5 '09 at 17:20
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Creating a new user and password with Ansible
... - user: name=tset password={{password}}
If your playbook or ansible command line has your password as-is in plain text, this means your password hash recorded in your shadow file is wrong. That means when you try to authenticate with your password its hash will never match.
Additionally, see Ans...
What text editor is available in Heroku bash shell? [closed]
...ust install:
heroku plugins:install https://github.com/naaman/heroku-vim
And use:
heroku vim
The heroku vim command will drop you into a bash shell with vim installed on your $PATH. All you have to do is retrain your fingers to type heroku vim instead of heroku run bash.
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How to get overall CPU usage (e.g. 57%) on Linux [closed]
I am wondering how you can get the system CPU usage and present it in percent using bash, for example.
5 Answers
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JavaScript - cannot set property of undefined
...ever set d[a] to any value.
Because of this, d[a] evaluates to undefined, and you can't set properties on undefined.
If you add d[a] = {} right after d = {} things should work as expected.
Alternatively, you could use an object initializer:
d[a] = {
greetings: b,
data: c
};
Or you coul...
CSS for grabbing cursors (drag & drop)
...rsor to change when they're hovering over the background. The -moz-grab and -moz-grabbing CSS cursors are ideal for this. Of course, they only work in Firefox... are there equivalent cursors for other browsers? Do I have to do something a little more custom than standard CSS cursors?
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Combine --user with --prefix error with setup.py install
...e advantage of Python's relatively new per user site-packages directory , and the new option --user . (The option is currently undocumented , however it exists for Python 2.6+; you can see the help by running python setup.py install --help .)
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