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What is the garbage collector in Java?
I am new to Java and confused about the garbage collector in Java. What does it actually do and when does it comes into action. Please describe some of the properties of the garbage collector in Java.
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Separate Back Stack for each tab in Android using Fragments
...ragment needs to navigate to another fragment, it has to do a little nasty casting... but it's not that bad:
// In Fragment1.java for example...
// Need to navigate to Fragment2.
((ActivityIntab) getActivity()).navigateTo(new Fragment2());
So that's pretty much it. I'm pretty sure this is not a v...
When should I use uuid.uuid1() vs. uuid.uuid4() in python?
I understand the differences between the two from the docs.
6 Answers
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Is there a command like “watch” or “inotifywait” on the Mac?
I want to watch a folder on my Mac (Snow Leopard) and then execute a script (giving it the filename of what was just moved into a folder (as a parameter... x.sh "filename")).
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How to find out which processes are using swap space in Linux?
...r of htop refuses to put in such a column because of this (I do see CNSWAP and NSWAP columns, but they don't seem to do anything on my machine): htop.sourceforge.net/index.php?page=faq
– yukondude
Nov 11 '09 at 19:25
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Where in an Eclipse workspace is the list of projects stored?
...wered Mar 12 '10 at 1:35
Magne LandMagne Land
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How to generate a core dump in Linux on a segmentation fault?
...s on what shell you are using. If you are using bash, then the ulimit command controls several settings relating to program execution, such as whether you should dump core. If you type
ulimit -c unlimited
then that will tell bash that its programs can dump cores of any size. You can specify a ...
Firefox Web Console Disabled?
...rowsers.
In the case of Firefox it also happens when Firebug is installed and its console is enabled, since that overrides the default window.console.
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How to define hash tables in Bash?
...e equivalent of Python dictionaries but in Bash (should work across OS X and Linux).
15 Answers
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How to check if AlarmManager already has an alarm set?
...o check if a particular alarm (registered via AlarmManager) is already set and running. Results from google seem to indicate that there is no way to do this. Is this still correct? I need to do this check in order to advise the user before any action is taken to create a new alarm.
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