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Django connection to PostgreSQL: “Peer authentication failed”
...oticed it had to do with my connection settings. Went back to settings.py, and saw I did not have a Host setup. Add localhost and voila.
My settings.py did not have a HOST for MySQL database, but I needed to add one for PostgreSQL to work.
In my case, I added localhost to the HOST setting and it w...
When should I use std::thread::detach?
... also know join() waits until a thread completes. This is easy to understand, but what's the difference between calling detach() and not calling it?
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Check whether a string contains a substring
...cause a . can match any character. You can get around this by using the \Q and \E operators.
my $substring = "s1.domain.com";
if ($mystring =~ /\Q$substring\E/) {
print qq("$mystring" contains "$substring"\n);
}
Or, you can do as eugene y stated and use the index function.
Just a word of ...
How to kill all processes with a given partial name? [closed]
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Use pkill -f, which matches the pattern for any part of the command line
pkill -f my_pattern
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Java string to date conversion
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That's the hard way, and those java.util.Date setter methods have been deprecated since Java 1.1 (1997). Simply format the date using SimpleDateFormat using a format pattern matching the input string.
In your specific case of "January 2, 2010" as...
How to set the maximum memory usage for JVM?
...y> -Xmx<memory>. Use M or G after the numbers for indicating Megs and Gigs of bytes respectively. -Xms indicates the minimum and -Xmx the maximum.
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How to disable an input type=text?
...nd that browsers are free to ignore the "disabled" or "readonly" attribute and this method shouldn't be relied on to reliably keep the data from being updated ... if the server-side code processing the form will still accept a value from that field and update it, anyone with enough savvy to create t...
Where and how is the _ViewStart.cshtml layout file linked?
... that we use depending on what type of device is accessing the site –
and have a phone or tablet optimized layout for those devices, and a
desktop optimized layout for PCs/Laptops. Or if we were building a
CMS system or common shared app that is used across multiple customers
we could se...
“Width equals height” constraint in Interface Builder
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Update Xcode 5.1b5
Ctrl+click and drag from a view and release while the pointer is over the view. Select "Aspect Ratio". It will create a constraint where the first and second item is the view.
Before Xcode 5.1
You can't because the width/height edit...
What is the basic difference between the Factory and Abstract Factory Design Patterns? [closed]
What is the basic difference between the Factory and Abstract Factory Patterns?
19 Answers
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