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PHP random string generator
...ead. It also doesn't allow characters to repeat.
One more way.
UPDATED (now this generates any length of string):
function generateRandomString($length = 10) {
return substr(str_shuffle(str_repeat($x='0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ', ceil($length/strlen($x)) )...
Laravel Migration Change to Make a Column Nullable
...
Laravel 5 now supports changing a column; here's an example from the offical documentation:
Schema::table('users', function($table)
{
$table->string('name', 50)->nullable()->change();
});
Source: http://laravel.com/docs...
Can someone explain mappedBy in JPA and Hibernate?
...urce of truth when it comes to managing a one-to-many table relationship.
Now, if you take a bidirectional entity relationship that maps on the one-to-many table relationship we saw previously:
If you take a look at the diagram above, you can see that there are two ways to manage this relationsh...
What's the point of Spring MVC's DelegatingFilterProxy?
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Do you know what a Servlet Filter is and how it works? It's a very useful piece of the Servlet Spec, allowing us to apply AOP-like concepts to servicing of HTTP requests. Many frameworks use Filter implementations for various things,...
When to use actors instead of messaging solutions such as WebSphere MQ or Tibco Rendezvous?
...sage queue paradigm (google Spring's Reactor). Really the only distinction now is that RabbitMQ has durable messages.. oh wait Akka supports that now also. He may say "Actor" in the title but explicitly points out Akka which does have massive overlap with many message based systems (both concurrent ...
How does the const constructor actually work?
...
compile-time constant values: Objects where the all field values are
known already at compile time, without executing any statements.
That puts some restrictions on the class and constructor. A const
constructor can't have a body (no statements executed!) and its class
must not have an...
Search and replace in Vim across all the project files
...looks like 's/pattern/replacement/' is the extension, I think I understand now.
– davekaro
Feb 23 '13 at 13:29
11
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Mac OS X Terminal: Map option+delete to “backward delete word”
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On Yosemite, this is setting is now under Preferences -> Profiles -> Keyboard. Looks like you have to change/set it for each profile.
– palimpsestor
Mar 9 '15 at 21:08
...
“Could not load type [Namespace].Global” causing me grief
...
I'm not sure then. All I can suggest for right now is to rebuild and check the contents of namespaces in your assembly with ILDASM.
– PhilPursglove
Jan 5 '10 at 14:30
...
How do SO_REUSEADDR and SO_REUSEPORT differ?
...ver write code for a BSD system.
There are a couple of basics you should know before we look at these two options. A TCP/UDP connection is identified by a tuple of five values:
{<protocol>, <src addr>, <src port>, <dest addr>, <dest port>}
Any unique combination of t...