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What does 'synchronized' mean?
...
The synchronized keyword is all about different threads reading and writing to the same variables, objects and resources. This is not a trivial topic in Java, but here is a quote from Sun:
synchronized methods enable a simple
strategy for preventing thread
interference and memory consi...
Passing properties by reference in C#
...ot be passed by reference. Here are a few ways you can work around this limitation.
1. Return Value
string GetString(string input, string output)
{
if (!string.IsNullOrEmpty(input))
{
return input;
}
return output;
}
void Main()
{
var person = new Person();
person....
Mailto links do nothing in Chrome but work in Firefox?
It seems like the mailto links we're embedding in our website fail to do anything in Chrome, though they work in Firefox.
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How can I tell jackson to ignore a property for which I don't have control over the source code?
Long story short, one of my entities has a GeometryCollection that throws an exception when you call "getBoundary" (the why of this is another book, for now let's say this is the way it works).
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T-SQL: Deleting all duplicate rows but keeping one [duplicate]
I have a table with a very large amount of rows. Duplicates are not allowed but due to a problem with how the rows were created I know there are some duplicates in this table.
I need to eliminate the extra rows from the perspective of the key columns. Some other columns may have slightly different...
How to set input type date's default value to today?
... picker is a breeze, and Chrome has at least supported the new input type with a spin-wheel implementation.
33 Answers
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Using ChildActionOnly in MVC
...e ensures that an action method can be called only as a child method
from within a view. An action method doesn’t need to have this attribute to be used as a child action, but
we tend to use this attribute to prevent the action methods from being invoked as a result of a user
request.
Having defin...
Install a Windows service using a Windows command prompt?
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Navigate to the installutil.exe in your .net folder (for .net 4 it's C:\Windows\Microsoft.NET\Framework\v4.0.30319 for example) and use it to install your service, like this:
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe" "c:\myservice.exe"
...
How to lock compiled Java classes to prevent decompilation?
...sMaster, for example, can also scramble your code flow in a way that makes it really hard to follow and works as an excellent code optimizer...
Also many of the obfuscators are also able to scramble your string constants and remove unused code.
Another possible solution (not necessarily excluding ...
Static constant string (class member)
...
You have to define your static member outside the class definition and provide the initializer there.
First
// In a header file (if it is in a header file in your case)
class A {
private:
static const string RECTANGLE;
};
and then
// In one of the implementation files
c...