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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 ...
node.js global variables?
... bigger this will become a nightmare to maintain. Please take a look at my approach.
– Oliver Dixon
Feb 29 '16 at 17:54
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show 2 more commen...
Linux日志管理Rsyslog入门 - C/C++ - 清泛网移动版 - 专注C/C++及内核技术
...，请听题：请把多台Web服务器上的access日志发送到统一的App服务器。实际上新版Nginx可以直接发Syslog请求。
设置Web服务器：
module(load="imfile")
ruleset(name="remote") {
action(type="omfwd"
Protocol="tcp"
Target="<HOST>"
...
How to refresh / invalidate $resource cache in AngularJS
...ch you can have more control over (i.e. clear the cache).
Example usage:
app.factory('Todos', function($resource, $cacheFactory) {
var cache = $cacheFactory('todo');
return $resource(apiBaseUrl + '/todos/:id', { id: '@id' }, {
'get': { method: 'GET', cache: cache },
'query...
Connection timeout for SQL server
...
Yes, you could append ;Connection Timeout=30 to your connection string and specify the value you wish.
The timeout value set in the Connection Timeout property is a time expressed in seconds. If this property isn't set, the timeout value f...
What's the best solution for OpenID with Django? [closed]
...ote : this is an ancient question with ancient answers. Most of the linked apps are now unmaintained. These days, most people seem to use django-allauth or python-social-auth . I'll leave the original question intact below for posterity's sake.
...
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.
...
Why all the Active Record hate? [closed]
... name and ID columns from the database, all the other 'attributes' in the mapped objects will just be nil, unless you manually reload that object, and so on.
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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 ...
Why is SCTP not much used/known
... at the output from the IETF's "SIGTRAN" working group which wrote up the mapping between SS7 and SCTP.
– Alnitak
Jul 25 '09 at 9:17
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