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How to use ELMAH to manually log errors
... API:
try
{
some code
}
catch(Exception ex)
{
Elmah.ErrorSignal.FromCurrentContext().Raise(ex);
}
There is a difference between the two solutions:
Raise method applies ELMAH filtering rules to the exception. Log method does not.
Raise is subscription based and is able to log one excep...
HTML5 dragleave fired when hovering a child element
...ragEnterTarget is set, I ignore further dragenter events, because they are from children. In all dragleave events I check dragEnterTarget === event.target. If this is false the event will be ignored as it was fired by a child. If this is true I reset dragEnterTarget to undefined.
...
Segmentation fault on large array sizes
...at the disasseble you will see the size of your local variables subtracted from the stack pointer. When you call malloc or calloc or any of the memory fuctions the fuctions go and find blocks of memory large enough to sataisfy your reqest.
– rerun
Dec 4 '09 at...
Circular dependency in Spring
...ry#doGetBean
catch (BeansException ex) {
// Explicitly remove instance from singleton cache: It might have been put there
// eagerly by the creation process, to allow for circular reference resolution.
// Also remove any beans that received a temporary reference to the bean.
destroySing...
Tools for making latex tables in R [closed]
...most commonly used packages and blogs with code for producing latex tables from less straight-forward objects. Please feel free to add any I missed, and/or give tips, hints and little tricks on how to produce nicely formatted latex tables with R.
...
Is there any way to ignore INSTALL_FAILED_VERSION_DOWNGRADE on application install with the Android
...nd use adb uninstall -k <package> and then installing the older apk.
From the adb usage guide:
adb uninstall [-k] <package> - remove this app package from the device
('-k' means keep the data and cache directories)
I've tried it myself with my apk, ...
C++ Dynamic Shared Library on Linux
...ne all the required functions virtual. The plugin author would then derive from MyClass, override the virtuals and implement create_object and destroy_object. Your main application would not need to be changed in any way.
sh...
Is there a way to override class variables in Java?
...ava you hide them. Overriding is for instance methods. Hiding is different from overriding.
In the example you've given, by declaring the class variable with the name 'me' in class Son you hide the class variable it would have inherited from its superclass Dad with the same name 'me'. Hiding a var...
How to enable/disable bluetooth programmatically in android
...is call returns true, then the adapter
state will immediately transition from STATE_OFF to STATE_TURNING_ON,
and some time later transition to either STATE_OFF or STATE_ON. If
this call returns false then there was an immediate problem that will
prevent the adapter from being turned on - suc...
Joins are for lazy people?
...0 rows in B, B has only 100 rows, and we want to fetch the first 1000 rows from A with associated rows from B. Joining in the database will result in 20 * 1000 tuples sent across the network. If the join is done in the app server (first fetching the entire B table into memory), a mere 100 + 1000 row...
