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Find the host name and port using PSQL commands
I have PSQL running, and am trying to get a perl application connecting to the database. Is there a command to find the current port and host that the database is running on?
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Python truncate a long string
How does one truncate a string to 75 characters in Python?
17 Answers
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IntelliJ does not show 'Class' when we right click and select 'New'
We're creating a new project in IntelliJ and must have something wrong because when we right click on a directory, select New and then get the context menu, Java based options are not shown. Currently get things like File, some HTML options, XML options.
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How do I uniquely identify computers visiting my web site?
I need to figure out a way uniquely identify each computer which visits the web site I am creating. Does anybody have any advice on how to achieve this?
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Nodejs - Redirect url
How do I get a node.js server to redirect users to a 404.html page when they enter an invalid url?
8 Answers
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How to detect pressing Enter on keyboard using jQuery?
I would like to detect whether the user has pressed Enter using jQuery.
18 Answers
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How to create a sub array from another array in Java?
How to create a sub-array from another array? Is there a method that takes the indexes from the first array such as:
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Convert hex color value ( #ffffff ) to integer value
I am receiving hex color values from a server (in this form, #xxxxxx , example #000000 for black)
9 Answers
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How to install Maven 3 on Ubuntu 18.04/17.04/16.10/16.04 LTS/15.10/15.04/14.10/14.04 LTS/13.10/13.04
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shortcut in Android Studio to locate the current editing src file
...diting file in the project tree panel (the very left panel of the Android Studio), except manually. (The worst case is that all the folders there are collapsed)
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