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Convert.ChangeType() fails on Nullable Types
...e>("field3");
I wrote a series of blog posts including this at http://www.endswithsaurus.com/2010_07_01_archive.html (Scroll down to the Addendum, @JohnMacintyre actually spotted the bug in my original code which led me down the same path you're on now). I have a couple of small modifications ...
How do I start Mongo DB from Windows?
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Download from http://www.mongodb.org/downloads
Install .msi file in folder C:\mongodb
Create data, data\db, log directories and mongo.config file under C:\mongodb.
Add the following lines in "mongo.config" file
port=27017
dbpath=C:\mongodb\data\...
Get Slightly Lighter and Darker Color from UIColor
I was looking to be able to turn any UIColor into a gradient. The way I am intending to do this is by using Core Graphics to draw a gradient. What I am trying to do is to get a color, lets say:
...
Do you have to put Task.Run in a method to make it async?
... var client = new HttpClient();
var html = await client.GetAsync("http://www.example.com/");
return html.Length;
}
So, the basic pattern of things is to have async code depend on "awaitables" in its await expressions. These "awaitables" can be other async methods or just regular methods return...
How do I get the row count of a pandas DataFrame?
I'm trying to get the number of rows of dataframe df with Pandas, and here is my code.
14 Answers
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Remove everything after a certain character
Is there a way to remove everything after a certain character or just choose everything up to that character? I'm getting the value from an href and up to the "?", and it's always going to be a different amount of characters.
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Check image width and height before upload with Javascript
...ow. And that is because IE9 and below do not support the File API (caniuse.com/#search=file%20api)
– Michael Yagudaev
Sep 18 '13 at 23:24
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Best practice: PHP Magic Methods __set and __get [duplicate]
...ion says it all :
this is slower (than getters/setters)
there is no auto-completion (and this is a major problem actually), and type management by the IDE for refactoring and code-browsing (under Zend Studio/PhpStorm this can be handled with the @property phpdoc annotation but that requires to mai...
SecurityException: Permission denied (missing INTERNET permission?)
...ted, user cannot revoke the permission other way than uninstalling the app completely as standard Android framework (from AOSP) offers no such feature at the moment.
But things are getting more tricky if you also do not mind your app running on rooted devices too. There're tools available in Google...
How do I sort a Set to a List in Java?
...c arrays.
Instead, use something like this:
public static
<T extends Comparable<? super T>> List<T> asSortedList(Collection<T> c) {
List<T> list = new ArrayList<T>(c);
java.util.Collections.sort(list);
return list;
}
Here's a usage example:
Map<Inte...