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Are static fields open for garbage collection?
...ollected for garbage.
Check out the JLS Section 12.7 Unloading of Classes and Interfaces
A class or interface may be unloaded
if and only if its defining class
loader may be reclaimed by the garbage
collector [...] Classes and interfaces
loaded by the bootstrap loader may not
be unloa...
How can I find where Python is installed on Windows?
...
In your Python interpreter, type the following commands:
>>> import os
>>> import sys
>>> os.path.dirname(sys.executable)
'C:\\Python25'
Also, you can club all these and use a single line command. Open cmd and enter following command
python -c "imp...
What is the $? (dollar question mark) variable in shell scripting? [duplicate]
I'm trying to learn shell scripting, and I need to understand someone else's code. What is the $? variable hold? I can't Google search the answer because they block punctuation characters.
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Prevent a webpage from navigating away using JavaScript
... controls inside the form? They trigger this too.
– Fandango68
Mar 8 '17 at 1:59
1
Modern browser...
When saving, how can you check if a field has changed?
... if you make changes to the object, save it, then makes additional changes and call save() on it AGAIN, it will still work correctly.
– philfreo
Mar 14 '12 at 22:57
17
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Is there an alternative sleep function in C to milliseconds?
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Yes - older POSIX standards defined usleep(), so this is available on Linux:
int usleep(useconds_t usec);
DESCRIPTION
The usleep() function suspends execution of the calling thread for
(at least) usec microseconds. T...
Java volatile reference vs. AtomicReference
Is there any difference between a volatile Object reference and AtomicReference in case I would just use get() and set() -methods from AtomicReference ?
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How to remove selected commit log entries from a Git repository while keeping their changes?
...rectory is clean (commit or stash your current changes).
Run the above command. It launches your $EDITOR.
Replace pick before C and D by squash. It will meld C and D into B. If you want to delete a commit then just delete its line.
If you are lost, type:
$ git rebase --abort
...
How to create a simple proxy in C#?
I have downloaded Privoxy few weeks ago and for the fun I was curious to know how a simple version of it can be done.
10 An...
Default filter in Django admin
...ve a field named as status which has three values: activate , pending and rejected . When I use list_filter in Django admin, the filter is by default set to 'All' but I want to set it to pending by default.
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