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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.Values)
To
foreac...
About catching ANY exception
...hat being said, it's good to track down as many as you can and handle them appropriately and then have a backup catch all for the ones you miss.
– Blaze
Oct 19 '15 at 8:04
28
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Is it fine to have foreign key as primary key?
...o have a primary key being a foreign key. This is a rare construct, but it applies for:
a 1:1 relation. The two tables cannot be merged in one because of different permissions and privileges only apply at table level (as of 2017, such a database would be odd).
a 1:0..1 relation. Profile may or may...
How to add items to a spinner in Android?
... only one that worked for me. Thank you so much!
– snapplex
Feb 7 '14 at 23:42
Glad to help you @snapplex ;)
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JUnit test for System.out.println()
I need to write JUnit tests for an old application that's poorly designed and is writing a lot of error messages to standard output. When the getResponse(String request) method behaves correctly it returns a XML response:
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PHP mkdir: Permission denied problem
...ve you some additional info: the absolute path is /opt/lampp/htdocs/www/my-app/public/uploads .. Basically what I'm trying to do is every logged in user to upload files inside the uploads folder and also create album-folders (this will be done with php) to store photos..
– ltde...
How to use NSURLConnection to connect with SSL for an untrusted cert?
... open source (BSD license) library called ASIHTTPRequest that provides a wrapper around the lower-level CFNetwork APIs. They recently introduced the ability to allow HTTPS connections using self-signed or untrusted certificates with the -setValidatesSecureCertificate: API. If you don't want to pull ...
Simulate low network connectivity for Android [closed]
I would like to test my application for cases of low network connectivity. Except standing in the elevator, what is the best way to do this? I've tried wrapping my phone in an aluminum foil, but it didn't help much.
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UITableview: How to Disable Selection for Some Rows but Not Others
...o cellForRowAtIndexPath
To disable the cell's selection property: (while tapping the cell)
cell.selectionStyle = UITableViewCellSelectionStyleNone;
To enable being able to select (tap) the cell: (tapping the cell)
// Default style
cell.selectionStyle = UITableViewCellSelectionStyleBlue;
// Gra...
Writing to output window of Visual Studio
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Just ran a small app here, works fine for me. Perhaps there is a small glitch in your environment?
– Bhargav Bhat
Feb 27 '12 at 15:41
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