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Collection was modified; enumeration operation may not execute
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What's likely happening is that SignalData is indirectly changing the subscribers dictionary under the hood during the loop and leading to that message. You can verify this by changing
foreach(Subscriber s in subscribers.Val...
Display lines number in Stack Trace for .NET assembly in Release mode
...mation can give away sensitive data and be an attack vector. Depending on what your app is.
– i_am_jorf
Mar 10 '09 at 2:21
6
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PHP how to get local IP of system
...ne's IP address, it's returning the IP address used in my virtual machine..what could be the problem though?
– Scarl
Jul 3 '15 at 22:19
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angular.element vs document.getElementById or jQuery selector with spin (busy) control
... Thanks for the tip @kaiser. For some reason, the maps api complained that what i passed in the first param was not an input when i used angular.element(document.querySelector('#address')), but all's well that ends well.
– nymo
Dec 21 '16 at 17:34
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Origin null is not allowed by Access-Control-Allow-Origin
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What is the simplest, quickest way to set up a simple web server? Would IIS be the simplest way here?
– Ciaran Gallagher
Feb 23 '13 at 16:29
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How to hide the “back” button in UINavigationController?
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why before? what about if you want to push a viewController and then hide the back button to prevent user from going back?
– user4951
Feb 26 '13 at 14:23
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Lock Escalation - What's happening here?
...BLE, then second GO. So, LOCK_ESCALATION is set after the column is added. What's the point of setting it after the fact? These two ALTER TABLE statements are wrapped in a transaction, but still the column is added before the LOCK_ESCALATION is set. I think I'll dig a bit further and write another a...
Get all non-unique values (i.e.: duplicate/more than one occurrence) in an array
...need to check a JavaScript array to see if there are any duplicate values. What's the easiest way to do this? I just need to find what the duplicated values are - I don't actually need their indexes or how many times they are duplicated.
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How can I get the behavior of GNU's readlink -f on a Mac?
...al links. This doesn't seem to work on Mac and possibly BSD based systems. What would the equivalent be?
24 Answers
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What is the `zero` value for time.Time in Go?
...deed, if comparing whether the given value for time is nil or not, this is what should actually be used.
– Gaurav Ojha
Feb 2 '17 at 8:03
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