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Blocks and yields in Ruby
...e very useful. In particular, the following example:
#!/usr/bin/ruby
def test
yield 5
puts "You are in the method test"
yield 100
end
test {|i| puts "You are in the block #{i}"}
test do |i|
puts "You are in the block #{i}"
end
which should give the following output:
You are in the b...
Best way to display decimal without trailing zeroes
...ix that problem. So for formatting decimals, G29 is the best bet.
decimal test = 20.5000m;
test.ToString("G"); // outputs 20.5000 like the documentation says it should
test.ToString("G29"); // outputs 20.5 which is exactly what we want
...
MySQL Query GROUP BY day / month / year
...may be more efficient than DATE_FORMAT(). (I don't have a MySQL for proper testing, though.)
– Andriy M
Mar 26 '13 at 12:23
...
Can mustache iterate a top-level array?
...Example 1
'use strict';
var Mustache = require('mustache');
var view = {test: 'div content', multiple : ['foo', 'bar'], multiple_2 : ['hello', 'world']};
var template = '<div>{{test}}</div><ul>{{#multiple}}<li>{{.}}</li>{{/multiple}}</ul><ul>{{#multiple_2...
How do you determine the ideal buffer size when using FileInputStream?
... other latency you might be dealing with.
So, I suspect that if you ran a test with different cache sizes (haven't done this myself), you will probably find a big impact of cache size up to the size of the file system block. Above that, I suspect that things would level out pretty quickly.
There ...
The tilde operator in Python
...
This is minor usage is tilde...
def split_train_test_by_id(data, test_ratio, id_column):
ids = data[id_column]
in_test_set = ids.apply(lambda id_: test_set_check(id_, test_ratio))
return data.loc[~in_test_set], data.loc[in_test_set]
the code above is from "H...
How do I check if an element is hidden in jQuery?
... display, my answer is correct. By the way it does work with IE7, here's a test snippet - jsfiddle.net/MWZss ;
– Tsvetomir Tsonev
Jan 14 '11 at 16:54
...
Clearing using jQuery
...same element at the end (including custom properties that were set on it).
Tested and working in Opera, Firefox, Safari, Chrome and IE6+. Also works on other types of form elements, with the exception of type="hidden".
window.reset = function(e) {
e.wrap('<form>').closest('form').get(0)....
Creating a singleton in Python
...ey are separate and encapsulated. The metaclass implementation passes this test. The metaclass is responsible for enforcing the pattern and the created class and subclasses need not be aware that they are singletons. Method #1 fails this test, as you noted with "MyClass itself is a a function, not a...
What is the fastest integer division supporting division by zero no matter what the result is?
...
The compiler basically recognizes that it can use a condition flag of the test in the addition.
As per request the assembly:
.globl f
.type f, @function
f:
pushl %ebp
xorl %eax, %eax
movl %esp, %ebp
movl 12(%ebp), %edx
testl %edx, %edx
sete %al
ad...