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What is the difference between is_a and instanceof?
...optional third boolean argument $allow_string (defaults to false) to allow comparisons of string class names instead:
class MyBaseClass {}
class MyExtendingClass extends MyBaseClass {}
// Original behavior, evaluates to false.
is_a(MyExtendingClass::class, MyBaseClass::class);
// New behavior, ev...
How can you set class attributes from variable arguments (kwargs) in python
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Running Python code in Vim
...F9> to execute the current buffer with python
Explanation:
autocmd: command that Vim will execute automatically on {event} (here: if you open a python file)
[i]map: creates a keyboard shortcut to <F9> in insert/normal mode
<buffer>: If multiple buffers/files are open: just use the...
What is “String args[]”? parameter in main method Java
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In Java args contains the supplied command-line arguments as an array of String objects.
In other words, if you run your program as java MyProgram one two then args will contain ["one", "two"].
If you wanted to output the contents of args, you can just loop ...
How to get an enum value from a string value in Java?
...gumentException.
The static methods valueOf() and values() are created at compile time and do not appear in source code. They do appear in Javadoc, though; for example, Dialog.ModalityType shows both methods.
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Mercurial — revert back to old version and continue from there
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hg update [-r REV]
If later you commit, you will effectively create a new branch. Then you might continue working only on this branch or eventually merge the existing one into it.
s...
When creating HTML emails, should we use html, head, body tags?
...nt. But you can't never know which ones.
It's easier to find (server side) components that follow format standards, and thus less error prone. Parsers not following standards could possibly break, making your email not getting shown.
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How to convert currentTimeMillis to a date in Java?
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EXC_BAD_ACCESS signal received
...but not whether you are experienced with Objective C in general. If you've come from another background it can take a little while before you really internalise the memory management rules - unless you make a big point of it.
Remember, anything you get from an allocation function (usually the stati...
How to compile a 32-bit binary on a 64-bit linux machine with gcc/cmake
Is it possible to compile a project in 32-bit with cmake and gcc on a 64-bit system? It probably is, but how do I do it?
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