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Test whether a Ruby class is a subclass of another class
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For documentation see Core API / Module / #<.
– webwurst
Feb 15 '13 at 15:22
2
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What are CN, OU, DC in an LDAP search?
...N = Common Name
OU = Organizational Unit
DC = Domain Component
These are all parts of the X.500 Directory Specification, which defines nodes in a LDAP directory.
You can also read up on LDAP data Interchange Format (LDIF), which is an alternate format.
You read it from right to left, the right-m...
socket.emit() vs. socket.send()
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https://socket.io/docs/client-api/#socket-send-args-ack
socket.send // Sends a message event
socket.emit(eventName[, ...args][, ack]) // you can custom eventName
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Error Domain=NSURLErrorDomain Code=-1005 “The network connection was lost.”
...% of the time. I just got a new ISP and it runs kinda weird. This happens all the time now on simulator. Could be the network.
– noobsmcgoobs
Feb 11 '15 at 6:08
1
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How to change the button text of ?
...file fields of forms. It is a plugin for a jQuery-based component library called Twitter Bootstrap
Sample usage:
Include:
<script type="text/javascript" src="js/bootstrap-filestyle.min.js"> </script>
Via JavaScript:
$(":file").filestyle();
Via data attributes:
<input type="fi...
LINQ Join with Multiple Conditions in On Clause
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Here you go with:
from b in _dbContext.Burden
join bl in _dbContext.BurdenLookups on
new { Organization_Type = b.Organization_Type_ID, Cost_Type = b.Cost_Type_ID } equals
new { Organization_Type = bl.Organization_Type_ID, Cost_Type = bl.Cost_Type_ID }
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Force R not to use exponential notation (e.g. e+10)?
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This is a bit of a grey area. You need to recall that R will always invoke a print method, and these print methods listen to some options. Including 'scipen' -- a penalty for scientific display. From help(options):
‘scipen’: integer. A penalty to be applied wh...
How to convert 2D float numpy array to 2D int numpy array?
...(int), np.array([-np.inf]).astype(int), and np.array([np.nan]).astype(int) all return the same thing. Why?
– BallpointBen
May 14 '18 at 20:47
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how to write setTimeout with params by Coffeescript
...the last argument to a function. This is usually the case with the Node.js API, for instance. So with that in mind:
delay = (ms, func) -> setTimeout func, ms
delay 1000, -> something param
Granted, this adds the overhead of an extra function call to every setTimeout you make; but in today'...
How to destroy an object?
... objects as soon as the page is served. So this should only be needed on really long loops and/or heavy intensive pages.
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