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join list of lists in python [duplicate]
...el
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a
b
c
From those links, apparently the most complete-fast-elegant-etc implementation is the following:
def flatten(l, ltypes=(list, tuple)):
ltype = type(l)
l = list(l)
i = 0
while i < len(l):
while isinstance(l[i], ltypes):
if not l[i]:
...
How do I get AWS_ACCESS_KEY_ID for Amazon?
...o create a new one:
Create a new access key:
"Download the .csv key file, which contains the access key ID and secret access key.":
As for your other questions:
I'm not sure about MERCHANT_ID and MARKETPLACE_ID.
I believe your sandbox question was addressed by Amit's point that you can...
How do I iterate over an NSArray?
... was returned as Not To Be Fixed. The reason is that fast enumeration pre-fetches a group of objects, and if you want to enumerate only to a given point in the enumerator (e.g. until a particular object is found, or condition is met) and use the same enumerator after breaking out of the loop, it wou...
Example invalid utf8 string?
...
Take a look at Markus Kuhn's UTF-8 decoder capability and stress test file
You'll find examples of many UTF-8 irregularities, including lonely start bytes, continuation bytes missing, overlong sequences, etc.
share
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Using “Object.create” instead of “new”
... so you have a working example for both Object.build and Object.gen in one file. Also, I've added some semicolons which were missing (available in JSFiddle only).
– Matt
Aug 13 '13 at 11:31
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How is the Linux kernel tested ?
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checkpatch.pl and other scripts - coding style issues can be found in the file Documentation/CodingStyle in the kernel source tree. The important thing to remember when reading it is not that this style is somehow better than any other style, just that it is consistent. this helps developers easily...
Protect .NET code from reverse engineering?
...e latter, it might just mean checking a plain-text date in a configuration file. Either way, make sure you handle it in an elegant, helpful, and respectful manner.
So that explains what it means do just that much. But why not go any further? Why not plug every little hole you can find? The answer i...
ActiveModel::ForbiddenAttributesError when creating new user
...
ActiveAdmin.register Api::V1::Person do
permit_params :name, :address, :etc
end
These need to be set along with those in the controller:
def api_v1_person_params
params.require(:api_v1_person).permit(:name, :address, :etc)
end
Otherwise you will get the error:
ActiveModel::ForbiddenAttrib...
How to pass macro definition from “make” command line arguments (-D) to C source code?
I usually pass macro definitions from "make command line" to a "makefile" using the option :
-Dname=value. The definition is accessible inside the makefile.
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Get a CSS value with JavaScript
...
You can use getComputedStyle().
var element = document.getElementById('image_1'),
style = window.getComputedStyle(element),
top = style.getPropertyValue('top');
jsFiddle.
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