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How do I serialize an object and save it to a file in Android?
...references.Editor ed=mPrefs.edit();
Gson gson = new Gson();
ed.putString("myObjectKey", gson.toJson(objectToSave));
ed.commit();
Option 2 is twice quicker than option 1
The option 2 inconvenience is that you have to make specific code for read:
Gson gson = new Gson();
JsonParser parser=new Json...
git-svn: how do I create a new svn branch via git?
... indeed, i installed 1.6.1 now and the command is available. updated my answer accordingly.
– kch
Jan 1 '09 at 14:00
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Sequence contains more than one element
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@James, the OP stated that my answer was correct and the exception clearly states the collection has more than one element which prevents SingleOrDefault from ever working. True it may be possible to have a better database design here but that seems mo...
How do I correctly clone a JavaScript object?
...extra, unwanted properties. This isn't a problem, since I'm copying one of my own literal-constructed objects.
70 Answers
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In Vim, how do I apply a macro to a set of lines?
... For some reason, this worked awesomely, and the accepted answer didn't. My macro involved inserting a new line, doing stuff, and moving to the next line.
– jasonszhao
Dec 13 '15 at 3:13
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Will ConfigurationManager.AppSettings[“blah”] throw an exception if “blah” doesn't exist?
... which is returned because the
value associated with the key is null.
(my emphasis)
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Why do you have to link the math library in C?
...ion. I don't have any published papers, but I've done all the measurements myself and the difference is huge. Just use strace with one of the timing options to watch how much startup time is spent on dynamic linking, or compare running ./configure on a system where all the standard utilities are sta...
`new function()` with lower case “f” in JavaScript
My colleague has been using "new function()" with a lower case "f" to define new objects in JavaScript. It seems to work well in all major browsers and it also seems to be fairly effective at hiding private variables. Here's an example:
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Class with Object as a parameter
...s the "old name for the flavor of classes now used for all class objects" (my emphasis). And the Python2 docs state that a "new-style class" is any class which inherits from object. The two statements put together imply that you don't need to include object in the list of class bases in Python3 sinc...
How big is too big for a PostgreSQL table?
I'm working on the design for a RoR project for my company, and our development team has already run into a bit of a debate about the design, specifically the database.
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