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Dynamically adding properties to an ExpandoObject
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getting Error 53 Cannot convert type 'System.Dynamic.ExpandoObject' to 'System.Collections.Generic.IDictionary<string,string>' via a reference conversion, boxing conversion, unboxing conversion, wrapping conversion, or null typ...
Why doesn't .NET/C# optimize for tail-call recursion?
...6, x64) will silently ignore it if sundry conditions are not met (well, no error except possible stack overflow). This explains why you're forced to follow 'tail' with 'ret' -- it's for this case. Meanwhile, the jitters are also free to apply the optimization when there's no 'tail' prefix in the CIL...
INSERT INTO…SELECT for all MySQL columns
...ble
WHERE entry_date < '2011-01-01 00:00:00'
For avoiding primary key errors if you already have data in the archive table
INSERT INTO this_table_archive
SELECT t.*
FROM this_table t
LEFT JOIN this_table_archive a on a.id=t.id
WHERE t.entry_date < '2011-01-01 00:00:00'
AND a.id is null #...
How to generate a random integer number from within a range
...rand() == RAND_MAX, or rand() is very close to RAND_MAX and floating-point errors push the final result past max + 1. To be safe, you should check that the result is within range before returning it.
– Mark Dickinson
Mar 24 '10 at 17:06
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Create a completed Task
...d represents a faulted task. Such a method can simply return that for its error cases if it's important for the exception to be represented in the resulting task.
– Servy
Jan 15 '15 at 21:25
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How to unmount a busy device
...R corrupt open files. Programs accessing target DEVICE/NFS files may throw errors OR could not work properly after force unmount.
Do execute these commands when not inside mounted Folder/Drive/Device.
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Can I automatically increment the file build version when using Visual Studio?
...n in these markups? With $([System.DateTime]::Today.Year - 2010), I get an error unable to evaluate expression ""24/08/2020 00:00:00".Year - 2010". Cannot find method 'SystemDateTime.Year -2009'.
– sinsedrix
Aug 24 at 11:59
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How to Deserialize XML document
...icated model with batches of nested arrays. I kept getting type conversion errors for the nested arrays -- plus the naming scheme generated left something to be desired. Therefore I ended up going the custom route.
– GotDibbs
Feb 6 '13 at 16:21
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Most efficient way to increment a Map value in Java
... happen to remember why it didn't work for you? Did you get a compilation error or was the value not incremented?
– Paul
Jul 9 '19 at 16:14
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SVN best-practices - working in a team
...k and stick to it. One example might be, "trunk must always build without errors." or "trunk must always pass all unit tests". Any work that can't yet meet the standards of trunk must be done in a branch.
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