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What is a ViewModelLocator and what are its pros/cons compared to DataTemplates?
... - can ViewModels be created dynamically at runtime? And is there a lot of extra code involved hooking one up?
– Rachel
Mar 29 '11 at 14:01
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Why do I get a “Null value was assigned to a property of primitive type setter of” error message whe
...you had a relational table (STUDENT) with two columns and ID(int) and NAME(String). Now as ORM you would've made an entity class somewhat like as follows:-
package com.kashyap.default;
import java.io.Serializable;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.pers...
How do I loop through a list by twos? [duplicate]
...])
for x, y in zip(it, it):
print x, y
Out: 1 2
3 4
5 6
No extra imports or anything. And very elegant, in my opinion.
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WebAPI Multiple Put/Post parameters
...
[HttpPost]
public string MyMethod([FromBody]JObject data)
{
Customer customer = data["customerData"].ToObject<Customer>();
Product product = data["productData"].ToObject<Product>();
Employee employee = data["employeeDat...
Best practice to return errors in ASP.NET Web API
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public class NotFoundWithMessageResult : IHttpActionResult
{
private string message;
public NotFoundWithMessageResult(string message)
{
this.message = message;
}
public Task<HttpResponseMessage> ExecuteAsync(CancellationToken cancellationToken)
{
var...
How to change an input button image using CSS?
...
Here's a simpler solution but with no extra surrounding div:
<input type="submit" value="Submit">
The CSS uses a basic image replacement technique. For bonus points, it shows using an image sprite:
<style>
input[type="submit"] {
border...
Showing which files have changed between two revisions
...eel special. I've bookmarked it in delicious.com for future reference and extra google-foo.
– Orwellophile
Oct 21 '15 at 15:29
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MongoDB mongorestore failure: locale::facet::_S_create_c_locale name not valid
...n you can instead use:
export LC_ALL=C.UTF-8
which will not require any extra locale data.
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How to “test” NoneType in python?
...r is not None.
Original Answer:
The simplest way however, without the extra line in addition to cardamom's answer is probably:
isinstance(x, type(None))
So how can I question a variable that is a NoneType? I need to use if method
Using isinstance() does not require an is within the if-s...
How to use CURL via a proxy?
... data will be returned to $curl_scraped_page variable.
I removed a second extra curl_exec($ch); which would stop the variable being returned.
I consolidated your proxy IP and port into one setting.
I also removed CURLOPT_HTTPPROXYTUNNEL and CURLOPT_CUSTOMREQUEST as it was the default.
If you don'...