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Using an ORM or plain SQL? [closed]
...ate and time types to the appropriate database type. They generally handle one-to-many relationships pretty elegantly as well by instantiating nested objects. I've found if you design your database with the strengths and weaknesses of the ORM in mind, it saves a lot of work in getting data in and ou...
When to use reinterpret_cast?
...einterpret_cast. And in C++03 a cast of int* to void* was forbidden to be done with reinterpret_cast (although compilers did not implement that and it was impractical, hence was changed for C++11).
– Johannes Schaub - litb
Oct 28 '11 at 23:20
...
How do I pass command line arguments to a Node.js program?
...le.log(index + ': ' + val);
});
This will generate:
$ node process-2.js one two=three four
0: node
1: /Users/mjr/work/node/process-2.js
2: one
3: two=three
4: four
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...
How do I create a ListView with rounded corners in Android?
...
Here is one way of doing it (Thanks to Android Documentation though!):
Add the following into a file (say customshape.xml) and then place it in (res/drawable/customshape.xml)
<?xml version="1.0" encoding="UTF-8"?>
<shape ...
Code Golf: Lasers
...e, the tr is written in the form y''' which allows me to skip backslashing one backslash.
die "true\n" if />x/; die "false\n" if />#/;
Terminate with the right message if we hit the target or a wall.
$s = $1 if s/>(.)/$s$d{$1}/;
If there's an empty space in front of the laser, move fo...
How to wait for a BackgroundWorker to cancel?
...esetEvent = new AutoResetEvent(false);
public Form1()
{
InitializeComponent();
worker.DoWork += worker_DoWork;
}
public void Cancel()
{
worker.CancelAsync();
_resetEvent.WaitOne(); // will block until _resetEvent.Set() call made
}
void worker_DoWork(object sender, DoWorkEventArgs...
Application_Start not firing?
...
Clone, two years later of stackoverflow.com/a/7655582/11635 - consider deleting and putting any extra info in a comment
– Ruben Bartelink
Feb 25 '16 at 14:55
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How to do associative array/hashing in JavaScript
...
var associativeArray = {};
associativeArray["one"] = "First";
associativeArray["two"] = "Second";
associativeArray["three"] = "Third";
If you are coming from an object-oriented language you should check this article.
...
Removing multiple keys from a dictionary safely
...s are known (when safety is not an issue), multiple keys can be deleted in one line like this del dict['key1'], dict['key2'], dict['key3']
– Tirtha R
May 3 '18 at 23:24
...
Given an array of numbers, return array of products of all other numbers (no division)
... a[2]*a[3], a[3], 1, }
Both of which can be done in O(n) by starting at the left and right edges respectively.
Then multiplying the two arrays element by element gives the required result
My code would look something like this:
int a[N] // This is the input
int produ...