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how to permit an array with strong parameters
...ssociations which is not, as I remake it as a Rails 4 app, letting me save ids from the associated model in the Rails 4 version.
...
Convert a series of parent-child relationships into a hierarchical tree?
...];
}
}
unset($flat);
That's all for getting the hierarchy into a multidimensional array:
Array
(
[children] => Array
(
[0] => Array
(
[children] => Array
(
[0] => Array
...
“is” operator behaves unexpectedly with integers
...ke a look at this:
>>> a = 256
>>> b = 256
>>> id(a)
9987148
>>> id(b)
9987148
>>> a = 257
>>> b = 257
>>> id(a)
11662816
>>> id(b)
11662828
Here's what I found in the Python 2 documentation, "Plain Integer Objects" (It's the...
When to use Comparable and Comparator
.../2627608 There is Version class that uses ComparableVersion. Version - provides with factory methods ComparableVersion supposed to be object (with no static methods) - provides an version that is able to be compare with another one. Responsibilities are separated.
– ses
...
PostgreSQL query to return results as a comma separated list
Let say you have a SELECT id from table query (the real case is a complex query) that does return you several results.
5 ...
How to delete duplicate rows in SQL Server?
How can I delete duplicate rows where no unique row id exists?
23 Answers
23
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How to get thread id from a thread pool?
....currentThread():
private class MyTask implements Runnable {
public void run() {
long threadId = Thread.currentThread().getId();
logger.debug("Thread # " + threadId + " is doing this task");
}
}
sha...
UPDATE and REPLACE part of a string
I've got a table with two columns, ID and Value . I want to change a part of some strings in the second column.
9 Answer...
What is the difference between Session.Abandon() and Session.Clear()
...e between destroying a session and removing its values? Can you please provide an example demonstrating this?
10 Answers
...
Datepicker: How to popup datepicker when click on edittext
...he date, the date should show in edittext in dd/mm/yyyy format. PLease provide me sample code or good links.
28 Answers
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