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How would I extract a single file (or changes to a file) from a git stash?
...t stash) as a merge commit, and use:
$ git diff stash@{0}^1 stash@{0} -- <filename>
Explanation: stash@{0}^1 means the first parent of the given stash, which as stated in the explanation above is the commit at which changes were stashed away. We use this form of "git diff" (with two commits...
Sort Dictionary by keys
...3, 4],
"D" : [5, 6]
]
let sortedKeys = Array(dictionary.keys).sorted(<) // ["A", "D", "Z"]
EDIT:
The sorted array from the above code contains keys only, while values have to be retrieved from the original dictionary. However, 'Dictionary' is also a 'CollectionType' of (key, value) pairs ...
Is there a way to make ellipsize=“marquee” always scroll?
...
This hack works great and is needed only when multiple TextViews are on screen at the same time (like when used in ListView) - because usually only one of them can be focused, but this solution 'tricks' the system by telling it all of them are :) Otherwise for single TextV...
Keystore change passwords
...e my.keystore
To change the key's password:
keytool -keypasswd -alias <key_name> -keystore my.keystore
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Good examples of Not a Functor/Functor/Applicative/Monad?
... constructor which is an Applicative, but not a Monad:
newtype T a = T {multidimensional array of a}
You can make an Applicative out of it, with something like:
mkarray [(+10), (+100), id] <*> mkarray [1, 2]
== mkarray [[11, 101, 1], [12, 102, 2]]
But if you make it a monad, you could ...
How do you create a dictionary in Java? [closed]
...
You'll want a Map<String, String>. Classes that implement the Map interface include (but are not limited to):
HashMap
LinkedHashMap
Hashtable
Each is designed/optimized for certain situations (go to their respective docs for more inf...
How to get IP address of the device from code?
...nly on few devices and Emulator but let me know here if you find weird results.
// AndroidManifest.xml permissions
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
// test functions
Utils.getMACAdd...
Overriding the java equals() method - not working?
...uilder.reflectionHashCode(...). Saved me plenty of headache in the past - although of course if you just want to do "equals" on ID it may not fit your circumstances.
I also agree that you should use the @Override annotation whenever you're overriding equals (or any other method).
...
How to use enums as flags in C++?
...imalFlags operator|(AnimalFlags a, AnimalFlags b)
{
return static_cast<AnimalFlags>(static_cast<int>(a) | static_cast<int>(b));
}
Etc. rest of the bit operators. Modify as needed if the enum range exceeds int range.
...
How can we make xkcd style graphs?
...ired package: extrafont Registering fonts with R Error in loadNamespace(j <- i[[1L]], c(lib.loc, .libPaths()), versionCheck = vI[[j]]) : there is no package called ‘acepack’ Error: package or namespace load failed for ‘xkcd’ and trying for acepack yields > install.packages("ace") Wa...