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Why do Java programmers like to name a variable “clazz”? [closed]
...s of codes have declaration like Class clazz , where does this originate from ? Is this some kind of convention ? I think 'clazz' is not even an English word , has no meaning at all , how can so many programmers name a wrong name coincidentally ?
...
Strange out of memory issue while loading an image to a Bitmap object
... the image preview (load an image off the SD card) the application returns from the activity back to the listview activity to the result handler to relaunch my new activity which is nothing more than an image widget.
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Ideal way to cancel an executing AsyncTask
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From docs about onCancelled(): "Runs on the UI thread after cancel(boolean) is invoked and doInBackground(Object[]) has finished." This 'after' means that setting a flag in onCancelled and checking in doInBackground makes no ...
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
share
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Laravel Migration Change to Make a Column Nullable
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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
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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...