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Associating enums with strings in C#
...get { return new LogCategory("Warning"); } }
public static LogCategory Error { get { return new LogCategory("Error"); } }
}
Pass in type-safe string values as a parameter:
public static void Write(string message, LogCategory logCategory)
{
var log = new LogEntry { Message = message };
...
How to save a PNG image server-side, from a base64 data string
..., $data));
An efficient method for extracting, decoding, and checking for errors is:
if (preg_match('/^data:image\/(\w+);base64,/', $data, $type)) {
$data = substr($data, strpos($data, ',') + 1);
$type = strtolower($type[1]); // jpg, png, gif
if (!in_array($type, [ 'jpg', 'jpeg', 'gif'...
Perform commands over ssh with Python
...
For unknown host error, do: ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy()) before
– Nemo
Jan 22 '19 at 8:16
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.htaccess mod_rewrite - how to exclude directory from rewrite rule
...ob, I put this line right after "RewriteBase /", and now I am getting "500 Error - Internal Server Error"
– Kelvin
Dec 4 '09 at 17:42
...
How to secure an ASP.NET Web API [closed]
...tion is overloaded to return a problem report string as per
// the error reporting OAuth extension: http://wiki.oauth.net/ProblemReporting
actionContext.Response = new HttpResponseMessage(HttpStatusCode.Unauthorized)
{
RequestMessage = request, ReasonPhrase...
What does java:comp/env/ do?
I just spent too much time of my day trying to figure out some errors when hooking up some JNDI factory bean. The problem turned out to be that instead of this...
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EF Code First “Invalid column name 'Discriminator'” but no inheritance
...ed in the DbContext like below, the "'Invalid column name 'Discriminator'" error occurs when any type based on Folder base type is accessed:
protected override void OnModelCreating(DbModelBuilder modelBuilder)
{
modelBuilder.Entity<Folder>().ToTable("All_Folders");
modelBuilder.Entity<...
Best Practices: working with long, multiline strings in PHP?
... closing EOT; there should be no spaces or tabs. otherwise you will get an error
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How do you manually execute SQL commands in Ruby On Rails using NuoDB
... @bonafernando, Your database might start throwing "Too many connections" errors if you have code that uses ActiveRecord::Base.connection without calling ActiveRecord::Base.clear_active_connections!. See api.rubyonrails.org/v5.2/classes/ActiveRecord/…
– eremite
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Disable browser's back button
... browser, but you can make it so that your application breaks (displays an error message, requiring the user to start over) if the user goes back.
One approach I have seen for doing this is to pass a token on every URL within the application, and within every form. The token is regenerated on ever...