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What causes java.lang.IncompatibleClassChangeError?
...morphic parameters and they have to assume you know what you are doing.
Example C++ JNI Code:
void invokeFooDoSomething() {
jobject javaFred = FredFactory::getFred(); // Get a Fred jobject
jobject javaFoo = FooFactory::getFoo(); // Get a Foo jobject
jobject javaBar = FooFactory::getBar...
How to reverse a singly linked list using only two pointers?
...return new_root;
}
int main() {
Node d = { 'd', 0 };
Node c = { 'c', &d };
Node b = { 'b', &c };
Node a = { 'a', &b };
Node* root = &a;
print_list(root);
root = reverse(root);
print_list(root);
return 0;
}
...
Why does this go into an infinite loop?
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Note: Originally I posted C# code in this answer for purposes of illustration, since C# allows you to pass int parameters by reference with the ref keyword. I've decided to update it with actual legal Java code using the first MutableInt...
Django select only rows with duplicate field values
... syntax is also how Django interprets you wanting to do a join. So, essentially when you try to filter on that, Django thinks you're trying to do a join with count which obviously doesn't exist. The fix is to specify a name for your annotation result, i.e. annotate(mycount=Count('id')) and then filt...
How Python web frameworks, WSGI and CGI fit together
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+1 Thats an excellent answer & answers lot of (but not all) questions I've in mind. This answer is still not complete. You explained well about CGI & WSGI but whats the relation & differences between FASTCGI & WSGI? Which is better? How do...
Accessing Google Spreadsheets with C# using Google Data API
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Authenticate:
SpreadsheetsService myService = new SpreadsheetsService("exampleCo-exampleApp-1");
myService.setUserCredentials("jo@gmail.com", "mypassword");
Get a list of spreadsheets:
SpreadsheetQuery query = new SpreadsheetQuery();
SpreadsheetFeed feed = myService.Query(query);
Console.Write...
How to set environment variables in Python?
I need to set some environment variables in the Python script and I want all the other scripts that are called from Python to see the environment variables' set.
...
'id' is a bad variable name in Python
... keyword or built-in function in any language is a bad idea, even if it is allowed.
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Mercurial .hgignore for Visual Studio 2008 projects
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Here's my standard .hgignore file for use with VS2008 that was originally modified from a Git ignore file:
# Ignore file for Visual Studio 2008
# use glob syntax
syntax: glob
# Ignore Visual Studio 2008 files
*.obj
*.exe
*.pdb
*.user
*.aps
*.pch
*.vspscc
*_i.c
*_p.c
*.ncb
*.suo
*.tlb
*.tlh
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What are the differences between various threading synchronization options in C#?
...ion. Ensures that only one thread can take ownership of the object's lock & enter the locked block of code. Other threads must wait till the current owner relinquishes the lock by exiting the block of code. Also it is recommended that you lock on a private member object of your class.
Monitors...