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ExecuteReader requires an open and available Connection. The connection's current state is Connectin
...ot only impact the performance tremendously but also be a source for nasty errors and (without using Transactions) a data-dumping-area.
If you're even using static connections you're creating a lock for every thread trying to access this object. ASP.NET is a multithreading environment by nature. So...
Create a pointer to two-dimensional array
...e is how they do
uint8_t (*matrix_ptr)[][20] = l_matrix;
If you fix the error and add the address-of operator & like in the following snippet
uint8_t (*matrix_ptr)[][20] = &l_matrix;
Then that one creates a pointer to an incomplete array type of elements of type array of 20 uint8_t. Be...
Mock vs MagicMock
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What if you want accessing your mock as a container object to be an
error -- you don't want that to work? If every mock has automatically
got every protocol method, then it becomes much more difficult to do
that. And also, MagicMock does some of this preconfiguring for you,
setting retu...
Should MySQL have its timezone set to UTC?
...sr/share/zoneinfo | mysql -u root -p mysql
if this command gives you the error "data too long for column 'abbreviation' at row 1", then it might be caused by a NULL character being appended at the end of the timezone abbreviation
the fix being to run this
mysql_tzinfo_to_sql /usr/share/zoneinfo ...
Best way to use Google's hosted jQuery, but fall back to my hosted library on Google fail
...and any jQuery ready event handlers should be in the <body> to avoid errors (although it's not fool-proof!).
One more reason to not use Google-hosted jQuery is that in some countries, Google's domain name is banned.
s...
What are the obj and bin folders (created by Visual Studio) used for?
...ase sub-folder depending on the currently selected configuration, i get an error that the data type couldn't be created when I debug my application. My app only ever looks in the bin folder for the dlls and never knows to look in the debug or release folder. How do I correct this?
...
Easier way to debug a Windows service
... wanted to have an "interactive" instance when double clicking and not and error message about the fact that a service cannot be started that way. Varying goals I guess ;-)
– Christian.K
Feb 16 '12 at 9:36
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Why is Hibernate Open Session in View considered a bad practice?
..., it will occur during the writing of the page: you cannot present a clean error page to the user and the only thing you can do is write an error message in the body
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Why are arrays covariant but generics are invariant?
...t[] objects = strings; // valid, String[] is Object[]
objects[0] = 12; // error, would cause java.lang.ArrayStoreException: java.lang.Integer during runtime
If this was allowed with generic collections:
List<String> strings = new ArrayList<String>();
List<Object> objects = stri...
Modify request parameter with servlet filter
...p(), or even getAttribute() to get the request data, so, through trial and error, I determined that the servlet was calling HTTPServletRequest.getInputStream() and getQueryString(). My advice to anyone attempting this task for closed servlets is to wrap every single accessor in HTTPServletRequest in...