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What does -XX:MaxPermSize do?
...
The permanent space is where the classes, methods, internalized strings, and similar objects used by the VM are stored and never deallocated (hence the name).
This Oracle article succinctly presents the working and parameterization of the HotSpot GC and advises you to augment this space ...
Get TransactionScope to work with async / await
...)
{
// connection
using (var connection = new SqlConnection(_connectionString))
{
// open connection asynchronously
await connection.OpenAsync();
using (var command = connection.CreateCommand())
{
command.CommandText = ...;
// run command asynchronously
usin...
How to unsubscribe to a broadcast event in angularJS. How to remove function registered via $on
...t in 1.0.4. I'll just post the full code since it's short
/**
* @param {string} name Event name to listen on.
* @param {function(event)} listener Function to call when the event is emitted.
* @returns {function()} Returns a deregistration function for this listener.
*/
$on: function(name, l...
How add “or” in switch statements?
...m 3=Large");
Console.Write("Please enter your selection: ");
string s = Console.ReadLine();
int n = int.Parse(s);
int cost = 0;
switch(n)
{
case 1:
cost += 25;
break;
case 2: ...
How can jQuery deferred be used?
... return promise;
};
// Default cache key generator (works with Booleans, Strings, Numbers and Dates)
// You will need to create your own key generator if you work with Arrays etc.
ResultsCache.prototype._cacheKeyGenerator = function(args) {
return Array.prototype.slice.call(arguments).join("|"...
How to properly handle a gzipped page when using curl?
...bash script that gets output from a website using curl and does a bunch of string manipulation on the html output. The problem is when I run it against a site that is returning its output gzipped. Going to the site in a browser works fine.
...
Google OAuth 2 authorization - Error: redirect_uri_mismatch
... and store the access and refresh tokens, then you have to use the literal string postmessage instead of the redirect_uri.
For example, building on the snippet in the Ruby doc:
client_secrets = Google::APIClient::ClientSecrets.load('client_secrets.json')
auth_client = client_secrets.to_authorizati...
Best way to obfuscate an e-mail address on a website?
...lto:email@example.com") ?>')">E-Mail</a>
In combination with string reversion it could be pretty spam-save:
<a href="javascript:window.location.href=atob('<?= base64_encode("mailto:email@example.com") ?>')" style="unicode-bidi: bidi-override; direction: rtl;"><?= strrev...
INSERT INTO vs SELECT INTO
... can be created: You have a small table with a varchar field. The largest string in your table now is 12 bytes. Your real data set will need up to 200 bytes. If you do SELECT INTO from your small table to make a new one, the later INSERT will fail with a truncation error because your fields are t...
Simplest way to check if key exists in object using CoffeeScript
...ike this response because key of obj will throw an error if the value is a string or number. Cannot use 'in' operator to search. In this case if the object is not undefined and not null it will work.
– jqualls
Jun 25 '14 at 20:14
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