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Microsecond timing in JavaScript
... It returns the number of microseconds in the fractional (e.g. a value of 1000.123 is 1 second and 123 microseconds).
now() is monotonically increasing. This is important as Date.getTime() can possibly jump forward or even backward on subsequent calls. Notably, if the OS's system time is updated (...
Renaming columns in pandas
...he .columns attribute:
>>> df = pd.DataFrame({'$a':[1,2], '$b': [10,20]})
>>> df.columns = ['a', 'b']
>>> df
a b
0 1 10
1 2 20
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Python: fastest way to create a list of n lists
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105
The probably only way which is marginally faster than
d = [[] for x in xrange(n)]
is
from ...
How can I loop through a List and grab each item?
...reach:
foreach (var money in myMoney) {
Console.WriteLine("Amount is {0} and type is {1}", money.amount, money.type);
}
MSDN Link
Alternatively, because it is a List<T>.. which implements an indexer method [], you can use a normal for loop as well.. although its less readble (IMO):
fo...
How do I get the different parts of a Flask request's url?
I want to detect if the request came from the localhost:5000 or foo.herokuapp.com host and what path was requested. How do I get this information about a Flask request?
...
No provider for “framework:jasmine”! (Resolving: framework:jasmine)
... message that no launcher was installed (see http://karma-runner.github.io/0.10/config/browsers.html).
npm install karma-safari-launcher --save-dev
My packages.json looked like this after my action:
{
"name": "test1",
"version": "0.0.0",
"dependencies": {},
"devDependencies": {
"grunt...
efficient circular buffer?
...
206
I would use collections.deque with a maxlen arg
>>> import collections
>>> d...
Is this object-lifetime-extending-closure a C# compiler bug?
...n into some extremely curious code-gen on the part of the C# compiler (4.0 if that matters).
2 Answers
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Explain the use of a bit vector for determining if all characters are unique
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103
int checker is used here as a storage for bits. Every bit in integer value can be treated as a ...
How do I set a variable to the output of a command in Bash?
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vstepaniuk
27022 silver badges88 bronze badges
answered Jan 10 '11 at 21:04
Andy LesterAndy Lester
...