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Oracle: how to UPSERT (update or insert into a table?)
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An existing connection was forcibly closed by the remote host
I am working with a commercial application which is throwing a SocketException with the message,
11 Answers
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AngularJS : The correct way of binding to a service properties
...ch isn't very DRY.
-1 If you want to bind the data to ng-model your code become even less DRY as you have to re-package the $scope.scalar_values in the controller to make a new REST call.
-0.1 There's a tiny performance hit creating extra watcher(s). Also, if data properties are attached to the mode...
Ideal way to cancel an executing AsyncTask
...eferred to the code snippet provided in the answer, not to the confucius's comment (which is right).
– lopek
May 14 '14 at 14:43
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Callback after all asynchronous forEach callbacks are completed
...s not provide this nicety (oh if it would) but there are several ways to accomplish what you want:
Using a simple counter
function callback () { console.log('all done'); }
var itemsProcessed = 0;
[1, 2, 3].forEach((item, index, array) => {
asyncFunction(item, () => {
itemsProcessed++...
Laravel Migration Change to Make a Column Nullable
...ring('name', 50)->nullable()->change();
});
Source: http://laravel.com/docs/5.0/schema#changing-columns
Laravel 4 does not support modifying columns, so you'll need use another technique such as writing a raw SQL command. For example:
// getting Laravel App Instance
$app = app();
// getti...
Open file dialog box in JavaScript
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how come this is good? this is a good practice at all? shouldnt be something like this: stackoverflow.com/a/18659941/915865?
– Kat Lim Ruiz
Sep 25 '13 at 19:27
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How can I get the source code of a Python function?
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return a
But I believe that if the function is compiled from a string, stream or imported from a compiled file, then you cannot retrieve its source code.
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C/C++ maximum stack size of program
...e at most ~100 bytes which should be sufficient for a DFS algorithm.
Most compilers including Visual Studio let you specify the stack size. On some (all?) linux flavours the stack size isn't part of the executable but an environment variable in the OS. You can then check the stack size with ulimit ...
Can “this” ever be null in Java?
...ennyTM: it is sufficient in Java. If you're using the this keyword and it compiles, it's not null when you observe it. But as others say that doesn't prevent an NPE when trying to invoke the method, e.g. But that's completely out of your control as a method and a null check within the method isn'...