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how to release localhost from Error: listen EADDRINUSE
...the process ID (PID) of the blocking application. You will need the PID in order to terminate / kill the process.
Here is a step-by-step guide...
Find all processes which are running on a specified port (in this example, Port is "3000"):
netstat -ano | find ":3000 "
The netstat command will ...
What is the difference between atan and atan2 in C++?
...= atan() <= π/2), regardless of the original input to the tangent.
In order to get back the full information, we must not use the result of the division sin(α) / cos(α) but we have to look at the values of the sine and cosine separately. And this is what atan2() does. It takes both, the sin(...
How to run `rails generate scaffold` when the model already exists?
...
Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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SQL Server reports 'Invalid column name', but the column is present and the query works through mana
...
[Edited to further note]
The other possibilities are (in no particular order):
You aren't connected to the database you think you are.
You aren't connected to the SQL Server instance you think you are.
Double check your connect strings and ensure that they explicitly specify the SQL Server i...
How to filter Android logcat by application? [duplicate]
...following components.
MyActivity1
MyActivity2
MyActivity3
MyService
In order to filter the logging output from your application MyApp using logcat you would type the following.
adb logcat MyActivity1:v MyActivity2:v MyActivity3:v MyService:v *:s
However this requires you to know the TAG names...
JavaScript Form Submit - Confirm or Cancel Submission Dialog Box
...m onsubmit="return submit(this);">
<input type="image" src="xxx" border="0" name="submit" onclick="show_alert();"
alt="PayPal - The safer, easier way to pay online!" value="Submit">
</form>
Also this is the code in run, just I make it easier to see how it works, just run th...
UIRefreshControl - beginRefreshing not working when UITableViewController is inside UINavigationCont
...e spinner visible. But it wouldn't animate. The one thing I changed is the order of these two methods and everything worked:
[self.tableView setContentOffset:CGPointMake(0, self.tableView.contentOffset.y-self.refreshControl.frame.size.height) animated:YES];
[self.refreshControl beginRefreshing];
...
How to get a list of user accounts using the command line in MySQL?
... the naysayers may complain about. Only thing i'd change were appending an ORDER BY user to it.
– sjas
May 22 '15 at 10:30
...
Advanced JavaScript: Why is this function wrapped in parentheses? [duplicate]
.../ Some code
}();
Because you have to wrap the function in parentheses in order to make it parse as an expression. More information is here: http://benalman.com/news/2010/11/immediately-invoked-function-expression/
So to recap quickly on the IIFE pattern:
(function() {
// Some code
})();
Allo...
Calling JavaScript Function From CodeBehind
... instead see this post for info. 2. It might be worth mentioning that in order for MyFunction() to work, MyFunction() has to be defined before the form tags or inside of them, but NOT after the </form> ending tag (otherwise a Object expected error will occur)
– BornToC...