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How can I generate random alphanumeric strings?
...ing. Generating 8 random characters sounds like there can be very many results, whereas this at best produces 2 billion different results. And in practice even fewer. You should also add a BIG FAT warning to not use this for anything security related stuff.
– CodesInChaos
...
MetadataException: Unable to load the specified metadata resource
...luding public key token). Eg:
res://YourDataAssembly, Version=1.0.0.0, Culture=neutral, PublicKeyToken=abcdefabcedf/YourEdmxFileName.csdl|res://...
A better way to construct connection strings is with EntityConnectionStringBuilder:
public static string GetSqlCeConnectionString(string fileName)
...
Received fatal alert: handshake_failure through SSLHandshakeException
...end some data to bank server but without any luck, because I have as a result from server the following error:
19 Answers
...
How do I get the type name of a generic type argument?
...rogram:
using System;
class Program
{
public static string MyMethod<T>()
{
return typeof(T).FullName;
}
static void Main(string[] args)
{
Console.WriteLine(MyMethod<int>());
Console.ReadKey();
}
}
Running the above prints (as expect...
Pass an array of integers to ASP.NET Web API?
...ike this (modified to bind to actual type of param):
public IEnumerable<Category> GetCategories([ModelBinder(typeof(CommaDelimitedArrayModelBinder))]long[] categoryIds)
{
// do your thing
}
public class CommaDelimitedArrayModelBinder : IModelBinder
{
public bool BindModel(HttpActi...
Save image from URL by paperclip
...
Here is a simple way:
require "open-uri"
class User < ActiveRecord::Base
has_attached_file :picture
def picture_from_url(url)
self.picture = open(url)
end
end
Then simply :
user.picture_from_url "http://www.google.com/images/logos/ps_logo2.png"
...
How to use WinForms progress bar?
... var backgroundWorker = sender as BackgroundWorker;
for (int j = 0; j < 100000; j++)
{
Calculate(j);
backgroundWorker.ReportProgress((j * 100) / 100000);
}
}
private void backgroundWorker_ProgressChanged(object sender, ProgressChangedEventArgs e)
{
progressBar1.Va...
C# HttpClient 4.5 multipart/form-data upload
Does anyone know how to use the HttpClient in .Net 4.5 with multipart/form-data upload?
10 Answers
...
Why do Python's math.ceil() and math.floor() operations return floats instead of integers?
...in python 3.
>>> import math
>>> type(math.floor(3.1))
<class 'int'>
>>> type(math.ceil(3.1))
<class 'int'>
You can find more information in PEP 3141.
share
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...
ASP.NET MVC Html.ValidationSummary(true) does not display model errors
...designed" and not a bug - the overload of ValidationSummary() used by default excludes ModelState errors associated with the properties of the model itself. This leaves those errors to be represented by Html.ValidationMessageFor() calls for each individual property without having them duplicated in ...