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Unable to make the session state request to the session state server
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One of my clients was facing the same issue. Following steps are taken to fix this.
(1) Open Run.
(2) Type Services.msc
(3) Select ASP.NET State Service
(4) Right Click and Start it.
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Check whether an array is empty [duplicate]
...icular case empty() construct will always return true if there is at least one element even with "empty" value.
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Lock Escalation - What's happening here?
...hat's the tradeoff: many small-granularity locks are slower than fewer (or one) coarse-grained locks, and having multiple queries locking different parts of a table creates the possibility for deadlock if one process is waiting on another.
There is a table-level option, LOCK_ESCALATION, new in SQL ...
How to construct a set out of list items in python?
...st when converting the list to a set since a set is inherently unordered. (One exception in CPython, though, seems to be if the list consists only of non-negative integers, but I assume this is a consequence of the implementation of sets in CPython and that this behavior can vary between different P...
What are the differences between LDAP and Active Directory?
...m of LDAP.
Short answer: AD is a directory services database, and LDAP is one of the protocols you can use to talk to it.
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answered Mar 19 '09 at 18:...
Is the pImpl idiom really used in practice?
...ue.
Data hiding
If you're developing a library, especially a proprietary one, it might be desirable not to disclose what other libraries / implementation techniques were used to implement the public interface of your library. Either because of Intellectual Property issues, or because you believe t...
How to force LINQ Sum() to return 0 while source collection is empty
...l only select the Amount field. If the collection is empty, it will return one element with the value of 0 and then the sum will be applied.
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Testing whether a value is odd or even
...r with:
Number.isFinite(parseFloat(n))
This check should preferably be done outside the isEven and isOdd functions, so you don't have to duplicate error handling in both functions.
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How to enable external request in IIS Express?
...istrative prompt:
netsh http add urlacl url=http://vaidesg:8080/ user=everyone
For XP, first install Windows XP Service Pack 2 Support Tools. Then run the following command from an administrative prompt:
httpcfg set urlacl /u http://vaidesg1:8080/ /a D:(A;;GX;;;WD)
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Mark parameters as NOT nullable in C#/.NET?
...nsion method in MiscUtil called ThrowIfNull which makes it a bit simpler.
One final point - any reason for using "if (null == arg)" instead of "if (arg == null)"? I find the latter easier to read, and the problem the former solves in C doesn't apply to C#.
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