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No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin '…' is therefor
... is raised:
JavaScript code is limited by the same-origin policy, meaning, from a page at www.example.com, you can only make (AJAX) requests to services located at exactly the same domain, in that case, exactly www.example.com (not example.com - without the www - or whatever.example.com).
In your ca...
MISCONF Redis is configured to save RDB snapshots
...re might be errors during the bgsave process due to low memory. Try this (from redis background save FAQ)
echo 'vm.overcommit_memory = 1' >> /etc/sysctl.conf
sysctl vm.overcommit_memory=1
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Laravel Migration Change to Make a Column Nullable
...
Laravel 5 now supports changing a column; here's an example from the offical documentation:
Schema::table('users', function($table)
{
$table->string('name', 50)->nullable()->change();
});
Source: http://laravel.com/docs/5.0/schema#changing-columns
Laravel 4 does not s...
How do I check if a variable exists?
... State variables don't exist before they are assigned - if you draw a line from the previous position to the current position, then set previous = current, it doesn't mean you "don't know your variables" on the first call. And writing an extra line of code to initialize previous=null outside the dr...
Enum type constraints in C# [duplicate]
...it more (heck, a lot more) if it might mean the restrictions being removed from C# 5. (I assume C# 4 is locked down now.)
– Jon Skeet
Sep 10 '09 at 8:52
...
Detect if device is iOS
... version
The most common way of detecting the iOS version is by parsing it from the User Agent string. But there is also feature detection inference*;
We know for a fact that history API was introduced in iOS4 - matchMedia API in iOS5 - webAudio API in iOS6 - WebSpeech API in iOS7 and so on.
Note: T...
AngularJS : Factory and Service? [duplicate]
... }]);
}
It just a wrapper around the factory. If you return something from service, then it will behave like Factory.
IMPORTANT: The return result from Factory and Service will be cache and same will be returned for all controllers.
When should i use them?
Factory is mostly preferable in all...
Begin, Rescue and Ensure in Ruby?
...n leave out the exception class, in which case all exceptions that inherit from StandardError will be caught. (Please note that this does not mean that all exceptions are caught, because there are exceptions which are instances of Exception but not StandardError. Mostly very severe exceptions that c...
C/C++ maximum stack size of program
... looking for) {
break;
}
dfs.pop();
for (outgoing nodes from top) {
dfs.push(outgoing node);
}
} while (!dfs.empty())
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Install autoreconf on OS X v10.7 (Lion)?
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By downloading the .pkg file from MacPorts and installing it, it does the trick for me.
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