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Task not serializable: java.io.NotSerializableException when calling function outside closure only o
...rmation code (closure) is:
serialized on the driver node,
shipped to the appropriate nodes in the cluster,
deserialized,
and finally executed on the nodes
You can of course run this locally (as in your example), but all those phases (apart from shipping over network) still occur. [This lets you ...
How to detect when cancel is clicked on file input?
...dden inputs (a definite perk if you're using a visual workaround for the crappy default input type='file'). After that, you just need to figure out if the input value changed.
An example:
var godzilla = document.getElementById('godzilla')
godzilla.onclick = charge
function charge()
{
documen...
Keyword not supported: “data source” initializing Entity Framework Context
...
This appears to be missing the providerName="System.Data.EntityClient" bit. Sure you got the whole thing?
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How to work with Git branches and Rails migrations
I am working on a rails app with quite a few git branches and many of them include db migrations. We try to be careful but occasionally some piece of code in master asks for a column that got removed/renamed in another branch.
...
Payment Processors - What do I need to know if I want to accept credit cards on my website? [closed]
..., no getting around this. There are other special cases also. This is an application process, be prepared.
Next you will want to purchase an SSL certificate that you can use for securing your communications for when the credit card info is transmitted over public networks. There are plenty of ve...
What's so wrong about using GC.Collect()?
...ule #2
Consider calling GC.Collect() if some
non-recurring event has just happened
and this event is highly likely to
have caused a lot of old objects to
die.
A classic example of this is if you're
writing a client application and you
display a very large and complicated
form that has a lot of data ...
Android应用内存泄露分析、改善经验总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...属于共识，在编写代码的过程中就应该按照规则来，使用Application的Context就可以解决这类内存泄露的问题了，至于什么情况下应该使用四大组件的Context，什么时候应该使用Application的context可以参见下表：
application使用场景
...
The calling thread must be STA, because many UI components require this
...
Try to invoke your code from the dispatcher:
Application.Current.Dispatcher.Invoke((Action)delegate{
// your code
});
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VS2005混合编译ARM汇编代码 - C/C++ - 清泛网 - 专注C/C++及内核技术
...）
ARM汇编代码，文件命名为armtest.asm：
; TITLE("Sample App")
;++
AREA sample, CODE, READONLY ; name this block of code
EXPORT TEST
IMPORT iGlobal
;
; Called from C as int ARMTEST1(int, int, int, int);
; The first 4 parameters are passed in r0-r3, ...
Adding Python Path on Windows 7
... press Pause.
Click Advanced System Settings.
Click Environment Variables.
Append ;C:\python27 to the Path variable.
Restart Command Prompt.
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