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Mutex example / tutorial? [closed]
...a scoped lock for the advantage it provides. Scoped locks have a slight performance overhead though.
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Trigger change() event when setting 's value with val() function
...show();
}
});
Then I take the value from the database (this is used on a form for both new input and editing existing records), set it as the selected value, and add the piece I was missing to trigger the above code, ".change()".
$('#selectField').val(valueFromDatabase).change();
So that if the...
Differences between Microsoft .NET 4.0 full Framework and Client Profile
...Client Profile for all your client desktop applications (including Windows Forms and WPF apps).
NET4 Full framework:
Target NET4 Full only if the features or assemblies that your app need are not included in the Client Profile. This includes:
If you are building Server apps. Such as:
...
Design Patterns: Abstract Factory vs Factory Method
...een the Abstract Factory and the
Factory Method that the creator for the former is an Interface and the creator for the latter is a Class?
This question is no longer valid, following the answers above; however, if you are left thinking that the only difference between Abstract Factory and Fac...
xcodebuild says does not contain scheme
...d the issues I was having with my TeamCity builds.
– Form
Nov 26 '15 at 20:23
how to locate the schema from this messa...
What is the purpose of the -m switch?
...gt;):
sys.path is not modified in any way
__name__ is set to the absolute form of <modulename>
__package__ is set to the immediate parent package in <modulename>
__init__.py is evaluated for all packages (including its own for package modules)
__main__.py is not evaluated for package mo...
How efficient is locking an unlocked mutex? What is the cost of a mutex?
... I forgot the context switches... Context switches are too drain on the performance. If lock acquisition fails and thread has to wait, that is too sort of half of the context switch. CS itself is fast, but since CPU might be used by some other process, the caches would be filled with alien data. Aft...
Why does Math.Round(2.5) return 2 instead of 3?
...etic rounding.
For -2.5 a choice is needed between -2.0 and -3.0.
Other forms of rounding
'Rounding up' takes any number with decimal places and makes it the next 'whole' number. Thus not only do 2.5 and 2.6 round to 3.0, but so do 2.1 and 2.2.
Rounding up moves both positive and negative numbe...
What's the difference between a continuation and a callback?
... thing it does then it's called a tail call. Some languages like Scheme perform tail call optimizations. This means that the tail call does not incur the full overhead of a function call. Instead it's implemented as a simple goto (with the stack frame of the calling function replaced by the stack fr...
or (HTML5)
...org state that <menu> should be used for Toolbar menus and listing form control commands.
5 Answers
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