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In Python, how do I determine if an object is iterable?
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I've been studying this problem quite a bit lately. Based on that my conclusion is that nowadays this is the best approach:
from collections.abc import Iterable # drop `.abc` with Python 2.7 or lower
def iterable(obj):
return isinstance(obj, Iterable)
The above has b...
Why is GHC so large/big?
...es that come together it takes over 500 MB. And yes, it's a lot, even with base libraries and a build tool/dependency manager. Java development platform is smaller.
GHC:
$ aptitude show ghc6 | grep Size
Uncompressed Size: 388M
against OpenJDK withdependencies:
$ aptitude show openjdk-6-jdk open...
Struggling with NSNumberFormatter in Swift for currency
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Based on the example you provided, I've managed to implement the number formatting into my program, so that bit is sorted. Now I just need to figure out how to set the text field placeholders based on the users location.
...
Manual deployment vs. Amazon Elastic Beanstalk
...for the application server because, as instances are created and destroyed based on your traffic, the DBMS would be lost! Having the DBMS and application server on the same machine/instance is not generally a good idea anyway.
In a PAAS system, the DBMS is a separate service. For Amazon, it would ...
ASP.NET MVC Conditional validation
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Here is the solution:
If you need to implement a conditional validation based on some field (e.g. if A=true, then B is required), while maintaining property level error messaging (this is not true for the custom validators that are on object level) you can achieve this by handling "ModelState", b...
Difference between OData and REST web services
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I wrote a post on the subject a while ago here.
As Franci said, OData is based on Atom Pub. However, they have layered some functionality on top and unfortunately have ignored some of the REST constraints in the process.
The querying capability of an OData service requires you to construct URI...
How to Set AllowOverride all
...n manager you should always use AllowOverride None and transfer all google_based example you find, based on .htaccess files to Directory sections on the main configuration files. As a .htaccess content for a .htaccess file in /my/path/to/a/directory is the same as a <Directory /my/path/to/a/direc...
Create a new object from type parameter in generic class
...uld extend this example using generics to tighten up the types:
class TestBase {
hi() {
alert('Hi from base');
}
}
class TestSub extends TestBase {
hi() {
alert('Hi from sub');
}
}
class TestTwo<T extends TestBase> {
constructor(private testType: new () =...
Extending an Object in Javascript
...g called when you do new Robot()? It seems to me that you should call that base class constructor instead of doing this.name = name; in the Robot() constructor...
– Alexis Wilke
Apr 7 '14 at 22:19
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Flask raises TemplateNotFound error even though template file exists
...earch is successful; in this example the foo/bar.html template extends the base.html template, so there are two searches:
[2019-06-15 16:03:39,197] INFO in debughelpers: Locating template "foo/bar.html":
1: trying loader of application "flaskpackagename"
class: jinja2.loaders.FileSystemL...