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Permission denied (publickey) when SSH Access to Amazon EC2 instance [closed]
...ir input and select your new Key Pair. You may have to refresh the list in order to see a new Key Pair you're just created.
Save
Elastic Beanstalk will create for you new instances associated with the new key pair.
In general, remember you have to allow your EC2 instance to accept inbound SSH tr...
Is it correct to use alt tag for an anchor link?
...level-semantics.html#the-a-element
check "Content attributes", which lists all allowed attributes for the a element:
Global attributes
href
target
download
rel
hreflang
type
check the linked "Global attributes": https://www.w3.org/TR/html5/dom.html#global-attributes
As you...
Entity Framework: There is already an open DataReader associated with this Command
... use of Include:
var results = myContext.Customers
.Include(x => x.Orders)
.Include(x => x.Addresses)
.Include(x => x.PaymentMethods);
If you use the appropriate Includes, you can avoid enabling MARS. But if you miss one, you'll get the error, so enabling MARS is probably th...
jQuery validation: change default error message
...
You can specify your own messages in the validate call. Lifting and abbreviating this code from the Remember the Milk signup form used in the Validation plugin documentation (http://jquery.bassistance.de/validate/demo/milk/), you can easily specify your own messages:
var va...
How to get next/previous record in MySQL?
...o cemkalyoncu's solution:
next record:
SELECT * FROM foo WHERE id > 4 ORDER BY id LIMIT 1;
previous record:
SELECT * FROM foo WHERE id < 4 ORDER BY id DESC LIMIT 1;
edit: Since this answer has been getting a few upvotes lately, I really want to stress the comment I made earlier about un...
How can I reset a react component including all transitively reachable state?
...is:
this.setState(this.getInitialState());
Also (like Ben also said) in order to reset the "browser state" you need to remove that DOM node. Harness the power of the vdom and use a new key prop for that component. The new render will replace that component wholesale.
Reference: https://facebook....
Order a MySQL table by two columns
...efault sorting is ascending, you need to add the keyword DESC to both your orders:
ORDER BY article_rating DESC, article_time DESC
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How to fix 'sudo: no tty present and no askpass program specified' error?
...k for a password. For example in my system x11-ssh-askpass works fine.
In order to do that you have to specify what program to use, either with the environment variable SUDO_ASKPASS or in the sudo.conf file (see man sudo for details).
You can force sudo to use the askpass program by using the opti...
Why do you need to put #!/bin/bash at the beginning of a script file?
I have made Bash scripts before and they all ran fine without #!/bin/bash at the beginning.
9 Answers
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How can I get jQuery to perform a synchronous, rather than asynchronous, Ajax request?
...nchronous option to be false to get a synchronous Ajax request. Then your callback can set some data before your mother function proceeds.
Here's what your code would look like if changed as suggested:
beforecreate: function (node, targetNode, type, to) {
jQuery.ajax({
url: 'http://exa...