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PG::ConnectionBad - could not connect to server: Connection refused
... #2 is a great suggestion: "Check server.log". My error was actually caused by upgrading to Yosemite, the server log said: FATAL: could not open directory "pg_tblspc": No such file or directory. This answer helped me with that problem stackoverflow.com/questions/25970132/…
...
Java: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification
...ur browser and add it to cacerts file of your JVM. You can either edit JAVA_HOME/jre/lib/security/cacerts file or run you application with -Djavax.net.ssl.trustStore parameter. Verify which JDK/JRE you are using too as this is often a source of confusion.
See also: How are SSL certificate server na...
Parse XML using JavaScript [duplicate]
...XML found through using GeoNames' FindNearestAddress.
If your XML is in a string variable called txt and looks like this:
<address>
<street>Roble Ave</street>
<mtfcc>S1400</mtfcc>
<streetNumber>649</streetNumber>
<lat>37.45127</lat>
&...
How to change the pop-up position of the jQuery DatePicker control
...e bottom of the page and the DatePicker shifts up to account for it and totally covers the text box. If the user wants to type the date instead of pick it, they can't. I'd rather have it appear just after the text box so it doesn't matter how it adjusts vertically.
...
Two-dimensional array in Swift
... @vacawama, cool, except your n-dimensional array has the same problem as all the solutions that populate the array using Array(repeating:count:). See the comment I posted to your other answer.
– Duncan C
Sep 11 '18 at 0:39
...
RESTful password reset
...Note: As @DougDomeny mentioned in his comment passing the email as a query string in the url is a security risk. GET parameters are not exposed when using https (and you should always use a proper https connection for such requests) but there are other security risks involved. You can read more on t...
Read data from SqlDataReader
...er rdr = cmd.ExecuteReader())
{
while (rdr.Read())
{
var myString = rdr.GetString(0); //The 0 stands for "the 0'th column", so the first column of the result.
// Do somthing with this rows string, for example to put them in to a list
listDeclaredElsewhere.Add(myString...
Using the “final” modifier whenever applicable in Java [closed]
...igned more than once, you discourage overbroad scoping. Instead of this:
String msg = null;
for(int i = 0; i < 10; i++) {
msg = "We are at position " + i;
System.out.println(msg);
}
msg = null;
You are encouraged to use this:
for(int i = 0; i < 10; i++) {
final String m...
How do I scroll to an element within an overflowed Div?
...crollDivToElement(child);
The parent is the scrollable div and it can be a string or a jQuery object of the DOM element.
The child is any child that you want to scroll to and it can be a string or a jQuery object of the DOM element.
Codepen demo
...