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Permission denied (publickey) when deploying heroku code. fatal: The remote end hung up unexpectedly
...
You have to upload your public key to Heroku:
heroku keys:add ~/.ssh/id_rsa.pub
If you don't have a public key, Heroku will prompt you to add one automatically which works seamlessly. Just use:
heroku keys:add
To clear all your previous keys do :
heroku keys:clear
To display all your ...
What is the difference between single and double quotes in SQL?
... what the column is actually called in the database. For example: PRODUCT.id would be more readable as product_id, so you use either of the following:
SELECT PRODUCT.id AS product_id
SELECT PRODUCT.id 'product_id'
Either works in Oracle, SQL Server, MySQL… but I know some have said that the T...
Passing parameters in rails redirect_to
How do we pass parameters in redirect_to in rails?
I know we can pass id using this:
9 Answers
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include antiforgerytoken in ajax post ASP.NET MVC
...nResult Index()
{
return View();
}
[HttpPost]
[ValidateAntiForgeryToken]
public ActionResult Index(string someValue)
{
return Json(new { someValue = someValue });
}
}
View:
@using (Html.BeginForm(null, null, FormMethod.Post, new { id = "__AjaxAntiForge...
How do I sort a list by different parameters at different timed
...but the switch statements really need a more object oriented approach. Consider:
enum PersonComparator implements Comparator<Person> {
ID_SORT {
public int compare(Person o1, Person o2) {
return Integer.valueOf(o1.getId()).compareTo(o2.getId());
}},
NAME_SO...
Bootstrap 3: Keep selected tab on page refresh
...In my app, I use ":" as hash value separator.
<ul class="nav nav-tabs" id="myTab">
<li class="active"><a href="#home">Home</a></li>
<li><a href="#profile">Profile</a></li>
<li><a href="#messages">Messages</a></li>
...
How do I delete a fixed number of rows with sorting in PostgreSQL?
...
You could try using the ctid:
DELETE FROM logtable
WHERE ctid IN (
SELECT ctid
FROM logtable
ORDER BY timestamp
LIMIT 10
)
The ctid is:
The physical location of the row version within its table. Note that although the ctid can b...
ASP.NET MVC Html.DropDownList SelectedValue
I have tried this is RC1 and then upgraded to RC2 which did not resolve the issue.
9 Answers
...
jQuery to retrieve and set selected option value of html select element
...
The way you have it is correct at the moment. Either the id of the select is not what you say or you have some issues in the dom.
Check the Id of the element and also check your markup validates at here at W3c.
Without a valid dom jQuery cannot work correctly with the selectors...
Create dynamic URLs in Flask with url_for()
...lot o stuff with it, for example:
@app.route('/questions/<int:question_id>'): #int has been used as a filter that only integer will be passed in the url otherwise it will give a 404 error
def find_question(question_id):
return ('you asked for question{0}'.format(question_id))
For t...