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When should the volatile keyword be used in C#?
...rantee that every processor stops what it
is doing and updates caches to/from main memory. Rather, they provide
weaker guarantees about how memory accesses before and after reads and
writes may be observed to be ordered with respect to each other.
Certain operations such as creating a new th...
Stateless vs Stateful - I could use some concrete information
...
I suggest that you start from a question in StackOverflow that discusses the advantages of stateless programming. This is more in the context of functional programming, but what you will read also applies in other programming paradigms.
Stateless pr...
Cannot add or update a child row: a foreign key constraint fails
... So I need to do to another SQL statement to get the userid from table1?
– Tom
Feb 15 '11 at 15:25
5
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ReactJS SyntheticEvent stopPropagation() only works with React events?
...e event.stopPropagation() within a ReactJS component to stop a click event from bubbling up and triggering a click event that was attached with JQuery in legacy code, but it seems like React's stopPropagation() only stops propagation to events also attached in React, and JQuery's stopPropagation() d...
CGridCellNumeric - A numeric cell class for the MFC Grid - C/C++ - 清...
...gative);
pCell->SetNumber(125.36);
The CGridCellNumeric class is derived from CGridCell, and the edit control class (CInPlaceNumEdit) is derived from CInPlaceEdit, so other than the API functions listed below, you can use this cell the same as any other editable cell that is available for the MFC ...
When should you not use virtual destructors?
...destructor when any of the below is true:
No intention to derive classes from it
No instantiation on the heap
No intention to store in a pointer of a superclass
No specific reason to avoid it unless you are really so pressed for memory.
...
Bootstrap 3 Glyphicons are not working
...ly help others.
Something was wrong with the font files that I downloaded from Bootstrap 3's customizer tool. To get the correct fonts, go to the Bootstrap homepage and download the full .zip file. Extract the four font files from there to your fonts directory and everything should work.
...
Android WebView: handling orientation changes
...nSaveInstanceState(Bundle outState) in your activity and calling saveState from the webview:
protected void onSaveInstanceState(Bundle outState) {
webView.saveState(outState);
}
Then recover this in your onCreate after the webview has been re-inflated of course:
public void onCreate(...
Why can I use a function before it's defined in JavaScript?
... to be bound before anything in its code-block* is executed.
This differs from an assignment with a function expression, which is evaluated in normal top-down order.
If you changed the example to say:
var internalFoo = function() { return true; };
it would stop working.
The function declaratio...
How to remove all .svn directories from my application directories
...n export tool I have in my application, is to clean all .svn directories from my application directory tree. I am looking for a recursive command in the Linux shell that will traverse the entire tree and delete the .svn files.
...