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When saving, how can you check if a field has changed?
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@callum so that 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
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Multiprocessing - Pipe vs Queue
...) as a bonus; JoinableQueue() accounts for tasks when queue.task_done() is called (it doesn't even know about the specific task, it just counts unfinished tasks in the queue), so that queue.join() knows the work is finished.
The code for each at bottom of this answer...
mpenning@mpenning-T61:~$ py...
What is a Memory Heap?
...y simple explanation is that the heap is the portion of memory where dynamically allocated memory resides (i.e. memory allocated via malloc). Memory allocated from the heap will remain allocated until one of the following occurs:
The memory is free'd
The program terminates
If all references to ...
runOnUiThread vs Looper.getMainLooper().post in Android
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The following behaves the same when called from background threads:
using Looper.getMainLooper()
Runnable task = getTask();
new Handler(Looper.getMainLooper()).post(task);
using Activity#runOnUiThread()
Runnable task = getTask();
runOnUiThread(task);
Th...
How to read from stdin line by line in Node
I'm looking to process a text file with node using a command line call like:
6 Answers
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What is the difference between JAX-RS and JAX-WS?
...evices, such as PDAs and mobile phones"?
3) REST based architectures typically will use a lightweight data format, like JSON, to send data back and forth. This is in contrast to JAX-WS which uses XML. I don't see XML by itself so significantly heavier than JSON (which some people may argue), but w...
Why can I use auto on a private type?
... the type is merely an alias for the actual type. What does it matter if I call it Bar or SomeDeducedType? It's not like I can use it to get to private members of class Foo or anything.
– einpoklum
Dec 1 '15 at 23:15
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How to open a file for both reading and writing?
...ting at the same time. This is not different from using the fopen() system call since file() / open() is just a tiny wrapper around this operating system call.
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Assigning code to a variable
...s:
var ButtonClicked = new Action(() => MessageBox.Show("hi"));
Then call it:
ButtonClicked();
For completeness (in regards to the various comments)...
As Erik stated, you could execute multiple lines of code:
var ButtonClicked = new Action(() =>
{
MessageBox.Show("hi");
Messa...
How to structure a express.js application?
...app = module.exports = express.createServer();
bootstrap(app);
This basically means I place all my bootstrapping in a seperate file, then I bootstrap the server.
So what does bootstrap do?
var configure = require("./app-configure.js"),
less = require("./watch-less.js"),
everyauth = requ...