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MySQL vs MongoDB 1000 reads
I have been very excited about MongoDb and have been testing it lately. I had a table called posts in MySQL with about 20 million records indexed only on a field called 'id'.
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Is it possible to run a single test in MiniTest?
I can run all tests in a single file with:
13 Answers
13
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java get file size efficiently
...with the code below:
For runs = 1 and iterations = 1 the URL method is fastest most times followed by channel. I run this with some pause fresh about 10 times. So for one time access, using the URL is the fastest way I can think of:
LENGTH sum: 10626, per Iteration: 10626.0
CHANNEL sum: 5535, per...
Double exclamation points? [duplicate]
...f:
(function typecheck() {
var a = "a";
var b = !a;
var c = !!a;
alert("var a = " + typeof(a) + "\n" +
"var b = " + typeof(b) + "\n" +
"var c = " + typeof(c));
})();
If you are simply doing comparisons, the conversion merely saves you a type coercion later on.
FYI, the f...
Check if a class has a member function of a given signature
... SFINAE to detect function presence at compile-time. Example from my code (tests if class has member function size_t used_memory() const).
template<typename T>
struct HasUsedMemoryMethod
{
template<typename U, size_t (U::*)() const> struct SFINAE {};
template<typename U> s...
How to format a phone number with jQuery
... ph.replace(/(\d{3})(\d{3})(\d{4})/, '$1-$2-$3'); $(this).val(temp); //alert(temp); });
– Musaddiq Khan
Jan 5 '17 at 13:06
...
super() raises “TypeError: must be type, not classobj” for new-style class
...ith an old-style class".
However, the important point is that the correct test for "is this a new-style instance (i.e. object)?" is
>>> class OldStyle: pass
>>> instance = OldStyle()
>>> issubclass(instance.__class__, object)
False
and not (as in the question):
>&g...
django unit tests without a db
Is there a possibility to write django unittests without setting up a db? I want to test business logic which doesn't require the db to set up. And while it is fast to setup a db, I really don't need it in some situations.
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How to iterate through two lists in parallel?
...on.
import timeit
import matplotlib.pyplot as plt
import numpy as np
def test_zip( foo, bar ):
store = []
for f, b in zip(foo, bar):
#print(f, b)
store.append( (f, b) )
def test_enumerate( foo, bar ):
store = []
for n, f in enumerate( foo ):
#print(f, bar[...
How do I change the number of open files limit in Linux? [closed]
...nds into service's init-script. For example, when Apache is reporting
[alert] (11)Resource temporarily unavailable: apr_thread_create: unable to create worker thread
Try to put ulimit -s unlimited into /etc/init.d/httpd. This does not require a server reboot.
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