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How to insert a new line in Linux shell script? [duplicate]

...However, this is not portable, as the -e flag doesn't work consistently in all systems. A better way if you really want to do this is using printf: printf "Create the snapshots\n\nSnapshot created\n" This works more reliably in many systems, though it's not POSIX compliant. Notice that you must m...
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bower init - difference between amd, es6, globals and node

...what is and why AMD what is a nodejs module what is ecmascript 6 and especially es6 modules [UPDATE] This feature was introduced very recently in bower and is not documented at all yet (AFAIK). It essentially describes the moduleType, which states for what module technology the package is meant t...
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What's the difference of ContentType and MimeType

... What's the main difference between the each one, and when is right to call something mimetype as opposed to content-type ? Am i being pitty and grammar nazi? The reason isn't only backward compatibility, and I'm afraid the usually excellent Django documentation is a bit hand-wavy about i...
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check if directory exists and delete in one command unix

...y exists or not. This command may work and produce similar results but actually doing a test before the command makes more sense. – Ankur Chauhan Jan 28 '13 at 5:04 ...
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How can I get the domain name of my site within a Django template?

... I guess, since Django 1.5 with the allowed hosts setting it's safe to use. docs.djangoproject.com/en/1.5/ref/settings/#allowed-hosts – Daniel Backman Sep 23 '13 at 15:13 ...
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How to reset a single table in rails?

... A lot of people (like me) come here to find how to delete all the data in the table. Here you go: $ rails console > ModelName.delete_all or > ModelName.destroy_all destroy_all checks dependencies and callbacks, and takes a little longer. delete_all is a straight SQL que...
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When to use ko.utils.unwrapObservable?

...e when to use ko.utils.unwrapObservable(item) Looking at the code, that call basically checks to see if item is an observable. If it is, return the value(), if it's not, just return the value. Looking at the section on Knockout about creating custom bindings, they have the following syntax: ...
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Create PostgreSQL ROLE (user) if it doesn't exist

.... The DO statement uses plpgsql as default procedural language. The syntax allows to omit the explicit declaration: DO [ LANGUAGE lang_name ] code ... lang_name The name of the procedural language the code is written in. If omitted, the default is plpgsql. ...
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What is the correct format to use for Date/Time in an XML file

...ne based on locale (unless you are processing everything in UTC). Also, usually you would put a 'Z' at the end to denote the date is UTC. – Ryan Oct 31 '08 at 20:32 ...
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HTML5 check if audio is playing?

...t does work and it some not. I guess it depends on implementation. But for all latest updates for chrome and firefox it seems to work, so This answer is correct for latest implementations. – Tomas Aug 27 '12 at 4:39 ...