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What is the most accurate way to retrieve a user's correct IP address in PHP?
...and anonymous proxy servers is just something I'll have to deal with for a select group of individuals.
– Corey Ballou
Oct 28 '09 at 10:04
...
Amazon S3 direct file upload from client browser - private key disclosure
... using AWS Signature version 4.
Will summarize here:
As soon as the user selects a file to be uploaded, do the followings:
1. Make a call to the web server to initiate a service to generate required params
In this service, make a call to AWS IAM service to get temporary cred
Once you have the cr...
IOException: read failed, socket might closed - Bluetooth on Android 4.3
...ect() throws IOException {
boolean success = false;
while (selectSocket()) {
adapter.cancelDiscovery();
try {
bluetoothSocket.connect();
success = true;
break;
} catch (IOException e) {
...
Using Custom Domains With IIS Express
...t ▶ Properties ▶ Web, then configure the Servers section as follows:
Select IIS Express ▼ from the drop down
Project Url: http://localhost
Override application root URL: http://dev.example.com
Click Create Virtual Directory (if you get an error here you may need to disable IIS 5/6/7/8, chang...
Difference between Rebuild and Clean + Build in Visual Studio
..., right click on the desired project name in the Solution Explorer tab and select Set as StartUp project. The project name now appears in bold. Since the homework solutions typically have only one project, Build or Rebuild Solution is effectively the same as Build or Rebuild .
Compile just compiles...
Why do we need message brokers like RabbitMQ over a database like PostgreSQL?
...
PostgreSQL 9.5
PostgreSQL 9.5 incorporates SELECT ... FOR UPDATE ... SKIP LOCKED. This makes implementing working queuing systems a lot simpler and easier. You may no longer require an external queueing system since it's now simple to fetch 'n' rows that no other sess...
ExecuteReader requires an open and available Connection. The connection's current state is Connectin
...on = new SqlConnection(connectionString))
{
var queryString = "SELECT PromotionID, PromotionTitle, PromotionURL FROM Promotion WHERE PromotionID=@PromotionID";
using (var da = new SqlDataAdapter(queryString, connection))
{
// you could also use a SqlDataReader...
PowerShell: Store Entire Text File Contents in Variable
...and without sub-expressions, for example:
${C:file.txt} = ${C:file.txt} | select -skip 1
I became fascinated by this notation initially because it was very difficult to find out anything about it! Even the PowerShell 2.0 specification mentions it only once showing just one line using it--but with...
What are all the user accounts for IIS/ASP.NET and how do they differ?
...nymous Authentication entry:
Ensure that "Application pool identity" is selected:
When you come to apply file and folder permissions you grant the Application Pool identity whatever rights are required. For example if you are granting the application pool identity for the ASP.NET v4.0 pool per...
Which parallel sorting algorithm has the best average case performance?
...gistration which is free):
University lectures:
Parallel Partitioning for Selection and Sorting
Parallel Sorting Algorithms Lecture
Parallel Sorting Algorithms Lecture 2
Parallel Sorting Algorithms Lecture 3
Other sources and papers:
A novel sorting algorithm for many-core architectures based on ...