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java.lang.OutOfMemoryError: Java heap space
...rofiler.netbeans.org) which has very good documentation about the profile, from the very basics to more advanced use.
– Thomas Owens
Oct 20 '09 at 18:03
...
Why is no one using make for Java?
... possible to write something that generated all the necessary dependencies from Java source code, so that make would build classes in the correct order one at a time, this still wouldn't handle cases such as circular dependencies.
The Java compiler can also be more efficient by caching the compiled...
Red black tree over avl tree
...od insights on differences, similarities, performance, etc.
Here's a quote from the article:
RB-Trees are, as well as AVL trees, self-balancing. Both of them provide O(log n) lookup and insertion performance.
The difference is that RB-Trees guarantee O(1) rotations per insert operation. That is wha...
What's the difference between eval, exec, and compile?
...s the value of the given expression, whereas exec ignores the return value from its code, and always returns None (in Python 2 it is a statement and cannot be used as an expression, so it really does not return anything).
In versions 1.0 - 2.7, exec was a statement, because CPython needed to produ...
vim and NERD Tree extension - adding a file
...
From vim you can run shell commands. So in this case I use:
:!touch somefile.txt
and then hit r to reload the nerdtree window.
The other thing to do is to just start the new file from within vim.
:e somefile.txt
One ...
How can I put a ListView into a ScrollView without it collapsing?
... You could easily write a static method that creates a LinearLayout from an Adapter.
– Romain Guy
Dec 19 '11 at 20:05
125
...
What is the best way to convert an array to a hash in Ruby
... throws an error:
ArgumentError: odd number of arguments for Hash
from (irb):10:in `[]'
from (irb):10
The constructor was expecting an Array of even length (e.g. ['k1','v1,'k2','v2']). What's worse is that a different Array which flattened to an even length would just silently gi...
How do I measure the execution time of JavaScript code with callbacks?
... @gogaman this is a good point, since you can't capture the output from console.timeEnd(). Perhaps it might be useful to pipe the output to a file and utilize from there?
– Doug Molineux
Sep 25 '14 at 21:16
...
var functionName = function() {} vs function functionName() {}
...s is a function expression:
var xyz = function(){};
xyz here is defined from the point of assignment:
// We can't call it here
xyz(); // UNDEFINED!!!
// Now it is defined
xyz = function(){}
// We can call it here
xyz(); // works
Function declaration vs. function expression is the real reason...
Get fully qualified class name of an object in Python
...ore circumspect approach.
# Alas, the module name is explicitly excluded from __qualname__
# in Python 3.
module = o.__class__.__module__
if module is None or module == str.__class__.__module__:
return o.__class__.__name__ # Avoid reporting __builtin__
else:
return module + '.' +...