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How to get default gateway in Mac OSX
...
utun1
192.168.128.1
link#12
To set a variable (_default) for further use (assuming only one entry for 'default') .....
_default=$( netstat -rn inet | awk '/default/ {print $2}' ) # I prefer $( ... ) over back-ticks
In the case of multiple default routes use:
n...
Android Camera : data intent returns null
...nly when passing back a thumbnail in the returned Intent. If you pass EXTRA_OUTPUT with a URI to write to, it will return a null intent and the picture is in the URI that you passed in.
You can verify this by looking at the camera app's source code on GitHub:
https://github.com/android/platform_p...
Learning Regular Expressions [closed]
...sing regular expressions! (The re in grep refers to regular expressions.)
Order from the menu
Adding just a little complexity, you can match either 'Nick' or 'nick' with the pattern [Nn]ick. The part in square brackets is a character class, which means it matches exactly one of the enclosed charac...
jQuery - Trigger event when an element is removed from the DOM
...emove elements from the page (e.g. by using .html(), .replace(), etc).
In order to prevent various memory leak hazards, internally jQuery will try to call the function jQuery.cleanData() for each removed element regardless of the method used to remove it.
See this answer for more details: javascri...
std::shared_ptr thread safety explained
I'm reading http://gcc.gnu.org/onlinedocs/libstdc++/manual/shared_ptr.html and some thread safety issues are still not clear for me:
...
Reducing MongoDB database file size
...
copying the files to a new location
looping through the documents and re-ordering / re-solving them
replacing the original files with the new files
You can do this "compression" by running mongod --repair or by connecting directly and running db.repairDatabase().
In either case you need the spa...
Disabling implicit animations in -[CALayer setNeedsDisplayInRect:]
...ppropriate key. For example, I use
NSDictionary *newActions = @{
@"onOrderIn": [NSNull null],
@"onOrderOut": [NSNull null],
@"sublayers": [NSNull null],
@"contents": [NSNull null],
@"bounds": [NSNull null]
};
layer.actions = newActions;
to disable fade in / out animations on...
Git rebase --continue complains even when all merge conflicts have been resolved
...ms to be that when rebasing, rebase --continue will also call the hook (in order to commit the lastest bout of changes). But rebase will not display the hook output, it'll just see that it failed, and then spit out a less specific error saying 'You must edit all merge conflicts and then mark them as...
View differences of branches with meld?
...ifftool -d you can still edit your working files in Meld and save them. In order to achieve that you need to compare some branch to your current working tree, for example:
git difftool -d branchname
Meld will be showing that both left and right directories are located in /tmp. However, files in t...
Garbage collector in Android
... be interpreted the other way? Maybe the GC needs to be called manually in order to collect those objects before they consume too much memory.
– hpique
Jun 25 '10 at 13:47
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