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Deep copy of a dict in python
I would like to make a deep copy of a dict in python. Unfortunately the .deepcopy() method doesn't exist for the dict . How do I do that?
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What's a “static method” in C#?
What does it mean when you add the static keyword to a method?
9 Answers
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Is it good practice to use java.lang.String.intern()?
...ol
Be sure to tune -XX:StringTableSize (the default is probably too small; set a Prime number)
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What's the point of 'const' in the Haskell Prelude?
Looking through the Haskell Prelude, I see a function const :
9 Answers
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How to get the path of a running JAR file?
My code runs inside a JAR file, say foo.jar , and I need to know, in the code, in which folder the running foo.jar is.
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Python Image Library fails with message “decoder JPEG not available” - PIL
...nt install into virtualenv
UPDATE 2:
If on OSX Mavericks, you'll want to set the ARCHFLAGS flag as @RicardoGonzales comments below:
ARCHFLAGS=-Wno-error=unused-command-line-argument-hard-error-in-future pip install PIL --allow-external PIL --allow-unverified PIL
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Is std::vector so much slower than plain arrays?
I've always thought it's the general wisdom that std::vector is "implemented as an array," blah blah blah. Today I went down and tested it, and it seems to be not so:
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Find value in an array
In Ruby, how can I find a value in an array?
10 Answers
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throwing exceptions out of a destructor
Most people say never throw an exception out of a destructor - doing so results in undefined behavior. Stroustrup makes the point that "the vector destructor explicitly invokes the destructor for every element. This implies that if an element destructor throws, the vector destruction fails... The...
back button callback in navigationController in iOS
...gs such as user confirmation.
in viewDidLoad create a UIBarButtonItem and set self.navigationItem.leftBarButtonItem to it passing in a sel
- (void) viewDidLoad
{
// change the back button to cancel and add an event handler
UIBarButtonItem *backButton = [[UIBarButtonItem alloc] initWithTitle:@”ba...