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What is a NullReferenceException, and how do I fix it?
...ghout. It is slightly more clunky to write, but it makes debugging nullity errors much easier. Optimize your code for the convenience of the caller, not the convenience of the author.
A note on null dereferences in unsafe code
C# has an "unsafe" mode which is, as the name implies, extremely dangero...
How to debug Lock wait timeout exceeded on MySQL?
In my production error logs I occasionally see:
11 Answers
11
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Can I use conditional statements with EJS templates (in JMVC)?
...line? That is writing <% if (true) { include foo/bar } %> appears to error. Is there a method similar or is it necessary to break out the include by <% %>.
– kuanb
Sep 12 '16 at 21:48
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I don't remember my android debug.keystore password
...ew keystore, well what is default alias name?
– John Error
Sep 17 '12 at 9:39
you don't really need it.. just do: keyt...
java.lang.IllegalArgumentException: View not attached to window manager
...
I too get this error sometimes when I dismiss dialog and finish activity from onPostExecute method. I guess sometimes activity gets finished before dialog successfully dismisses.
Simple, yet effective solution that works for me
@Override
...
1114 (HY000): The table is full
...
You will also get the same error ERROR 1114 (HY000): The table '#sql-310a_8867d7f' is full
if you try to add an index to a table that is using the storage engine MEMORY.
share...
How to use ? : if statements with Razor and inline code blocks
...t you write source code, except in this constellation it throws a compiler error:
Compiler Error Message: CS0173: Type of conditional expression cannot
be determined because there is no implicit conversion between
'System.Web.IHtmlString' and 'string'
So I ended up writing a statement like...
How to create an infinite loop in Windows batch file?
...s)
rem ** can be stopped with exit
rem ** can be stopped with a syntax error
call :stop
)
:stop
call :__stop 2>nul
:__stop
() creates a syntax error, quits the batch
This could be useful if you need a really infinite loop, as it is much faster than a goto :loop version because a for-loo...
Unresolved reference issue in PyCharm
... simply work. If you unmarked it as a source root however, you will get an error:
After all this don't forget to restart. In PyCharm menu select: File --> Invalidate Caches / Restart
...
Using Ajax.BeginForm with ASP.NET MVC 3 Razor
...
@DarinDimitrov what if there is an error with the BLL and you need to send the model back to the View and show the error message because hardened layer provided deeper validation on the data and found an issue. Just relying on the Client side validation isn't ...