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What's Mongoose error Cast to ObjectId failed for value XXX at path “_id”?
...erstand, but I'd like to avoid this check. How can I create a new ObjectId from a given string (from the GET request) for passing it to the findById method?
– gremo
Feb 18 '13 at 17:58
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Is nested function a good approach when required by only one function? [closed]
... return arg+1
some_data = method_b2(self, arg)
obj = Test()
"""
from timeit import Timer
print(min(Timer(stmt='obj.separate(42)', setup=setup).repeat())) # -> 0.24479823284461724
print(min(Timer(stmt='obj.nested(42)', setup=setup).repeat())) # -> 0.26553459700452575
Note I add...
How to print matched regex pattern using awk?
...line of a shell command), you can also try this very compact code, adopted from How to print regexp matches using `awk`?:
$ echo "xxx yyy zzz" | awk '{match($0,"yyy",a)}END{print a[0]}'
yyy
Or the more complex version with a partial result:
$ echo "xxx=a yyy=b zzz=c" | awk '{match($0,"yyy=([^ ]+...
g++ undefined reference to typeinfo
...ody (will contain null-pointer most likely). However, nobody prohibits you from calling this pure virtual function in a non-virtual manner, i.e. by using a fully-qualified name. In this case the linker will look for the body, and you will have to define the function. And yes, you can define a body f...
Is it possible to modify variable in python that is in outer, but not global, scope?
...
@kindall that's a great hack - it's minimally different from the Python 3 syntax and much more readable than passing around a mutable object.
– dimo414
Sep 1 '15 at 0:17
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ASP.NET Web API - PUT & DELETE Verbs Not Allowed - IIS 8
I recently upgraded from Visual Studio 2010 to the Visual Studio 2012 RC. The installer also installs IIS 8 Express which Visual Studio now uses as the default web server.
...
Why shouldn't I use PyPy over CPython if PyPy is 6.3 times faster?
...an it was in 2013, when this question was asked. Avoid drawing conclusions from out-of-date information.
PyPy, as others have been quick to mention, has tenuous support for C extensions. It has support, but typically at slower-than-Python speeds and it's iffy at best. Hence a lot of modules sim...
Limit labels number on Chart.js line chart
I want to display all of the points on my chart from the data I get, but I don't want to display all the labels for them, because then the chart is not very readable. I was looking for it in the docs, but couldn't find any parameter that would limit this.
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PHP Timestamp into DateTime
...ime, but the DateTime constructor does support creating instances directly from timestamps. According to this documentation, all you need to do is prepend the timestamp with an @ character:
$timestamp = strtotime('Mon, 12 Dec 2011 21:17:52 +0000');
$dt = new DateTime('@' . $timestamp);
...
Changing the image source using jQuery
...with how many images there are. This will keep the resultant index cycling from 0 to length-1, which are the indices of the $images object. This means this code will work with 2, 3, 5, 10, or 100 images... cycling through each image in order and restarting at the first image when the last image is r...