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What is Ruby's double-colon `::`?
...affect instance methods defined on a class, since you access those with a different syntax (the dot .).
Relevant note: If you want to go back to the top-level namespace, do this: ::SomeModule – Benjamin Oakes
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Determine if ActiveRecord Object is New
How can I check if an ActiveRecord object is new or is already persisted?
2 Answers
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Could not establish trust relationship for SSL/TLS secure channel — SOAP
...d line-of-sight to the server?
are you using the correct name from the certificate?
is the certificate still valid?
is a badly configured load balancer messing things up?
does the new server machine have the clock set correctly (i.e. so that the UTC time is correct [ignore local time, it is largely ...
Angularjs loading screen on ajax request
...$watch(scope.isLoading, function (v)
{
if(v){
elm.show();
}else{
elm.hide();
}
});
}
};
}]);
With this directive, all you need to do ...
Check if an element's content is overflowing?
What's the easiest way to detect if an element has been overflowed?
14 Answers
14
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How do I set the proxy to be used by the JVM
...on: http://download.oracle.com/javase/6/docs/technotes/guides/
Update : If you do not want to use proxy to resolve some local/intranet hosts, check out the comment from @Tomalak:
Also don't forget the http.nonProxyHosts property!
-Dhttp.nonProxyHosts="localhost|127.0.0.1|10.*.*.*|*.foo.com...
Best way to display decimal without trailing zeroes
...mal places you'll ever need to display? (Your examples have a max of 5).
If so, I would think that formatting with "0.#####" would do what you want.
static void Main(string[] args)
{
var dList = new decimal[] { 20, 20.00m, 20.5m, 20.5000m, 20.125m, 20.12500m, 0.000m };
fo...
How to efficiently build a tree from a flat structure?
...
Store IDs of the objects in a hash table mapping to the specific object. Enumerate through all the objects and find their parent if it exists and update its parent pointer accordingly.
class MyObject
{ // The actual object
public int ParentID { get; set; }
public int ID { get...
How to store standard error in a variable
...
If you don't need the standard output, you can redirect it to /dev/null instead of outfile (If you're like me, you found this question via Google, and don't have the same requirements as the OP)
– Mark E...
What's the best strategy for unit-testing database-driven applications?
...ually used your first approach with quite some success, but in a slightly different ways that I think would solve some of your problems:
Keep the entire schema and scripts for creating it in source control so that anyone can create the current database schema after a check out. In addition, keep s...