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Error to use a section registered as allowDefinition='MachineToApplication' beyond application level
...n, The old Webconfig is where the error pointed out above can then emanate from.
"Web.config file in one of the website's subfolders than has one of these configuration elements that cannot be defined beyond the application level."@benni_mac_b
To Fix it: Just remove the backup folder from the proj...
How to know user has clicked “X” or the “Close” button?
...nder these circumstances, we don't need, according to me, to differentiate from either buttons.
Closing by ALT+F4 will also trigger the FormClosing() event, as it sends a message to the Form that says to close. You may cancel the event by setting the
FormClosingEventArgs.Cancel = true.
In our ...
Why is DarkGray lighter than Gray?
...n on the subject. It sounds like a lot of the named color definitions come from X Windows System. On X, "Gray" is actually closer to "Silver". However, the W3C defined Gray (more appropriately?) as RGB 50%.
Here's some more Wikipedia on the subject:
Perhaps most unusual of the color clashes bet...
How to open a file for both reading and writing?
...r you explain why seek and truncate is used here. Most of the readers come from google and do copy-paste.
– Shiplu Mokaddim
Mar 13 '19 at 10:58
11
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SimpleTest vs PHPunit
...nt/en/installation.html
For SimpleTest, just download it and point to it from your code.
So Simpletest won for me.
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Why Collections.sort uses merge sort instead of quicksort?
...
Highly likely from Josh Bloch §:
I did write these methods, so I suppose I'm qualified to answer. It is
true that there is no single best sorting algorithm. QuickSort has
two major deficiencies when compared to mergesort:
...
Rails “validates_uniqueness_of” Case Sensitivity
...t for the new record and fail with a ugly server exception that comes back from the SQL adapter. If you do not have a database constraint, the insert will succeed and you now have two rows with 'foo' as the name.
See also "Concurrency and integrity" in the validates_uniqueness_of Rails documentat...
What's the purpose of the LEA instruction?
...ept it only does the indirection and not the MOV. It doesn't actually read from the computed address, just computes it.
– hobbs
Aug 28 '13 at 2:57
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Difference between Document-based and Key/Value-based databases?
...-value stores like redit doesn't allow you to store nested key:values? And from your description, then storing a whole database (from RDBMS) into Cassandra doesn't sound very clever cause it doesn't allow flexible query and has limited nesting depth, am I right?
– never_had_a_n...
What does Html.HiddenFor do?
...
It creates a hidden input on the form for the field (from your model) that you pass it.
It is useful for fields in your Model/ViewModel that you need to persist on the page and have passed back when another call is made but shouldn't be seen by the user.
Consider the followi...