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When should I use nil and NULL in Objective-C?
... technically, they are exactly equal, you can send messages to both nil and to NULL. Idiomatically though nil is usually used to represent an object
– cobbal
Oct 14 '09 at 5:43
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When do we have to use copy constructors?
...structor with a correct signature and commit the sin of turning to a const_cast.
Copy-on-write (COW)
A COW container that has given away direct references to its internal data MUST be deep-copied at the time of construction, otherwise it may behave as a reference counting handle.
Though COW ...
Is there a way to automatically generate getters and setters in Eclipse?
I am working on a new Android project ( Java ), and created an Object with a large number of variables. Since I am planning to add getters and setters for all of them, I was wondering: is there a shortcut in Eclipse for automatically generating the getters and setters in a given class?
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Are HLists nothing more than a convoluted way of writing tuples?
... aren't typically that interesting (at least, they aren't unless they type cast internally). shapeless provides a form of polymorphic function value which allows the compiler to select type-specific cases in exactly the way you're doubtful about. For instance,
// size is a function from values of a...
How do I run Python code from Sublime Text 2?
... Break does not work:
Go to:
Preferences -> Key Bindings - User
and paste the line below:
{"keys": ["ctrl+shift+c"], "command": "exec", "args": {"kill": true} }
Now, you can use ctrl+shift+c instead of CTRL+BREAK
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Access denied for user 'test'@'localhost' (using password: YES) except root user
...ysql non root/admin user, I am following the below steps for creating user and its privileges, correct me if i am doing wrong,
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Jar Mismatch Found 2 versions of android-support-v4.jar in the dependency list
I am trying to create 2 versions of an Android app (free/paid). I have an Android Library that contains files common to both. I created a new Android project and am trying to use the Library but get the error below:
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How to specify the location with wget?
...x. The directory prefix is the
directory where all other files and sub-directories will be
saved to, i.e. the top of the retrieval tree. The default
is . (the current directory).
So you need to add -P /tmp/cron_test/ (short form) or --directory-prefix=/tmp/cron_t...
Using IntelliJ to amend git commit message
...e amend a git commit message using IntelliJ , or should one resort to command line?
9 Answers
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What is the quickest way to HTTP GET in Python?
...en("http://example.com/foo/bar").read()
Documentation for urllib.request and read.
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