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Specify sudo password for Ansible
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For example, you might have a playbook something like this:
- hosts: all
vars_files:
- secret
tasks:
- name: Do something as sudo
service: name=nginx state=restarted
sudo: yes
Here we are including a file called secret which will contain our sudo password.
We will...
What's the point of 'meta viewport user-scalable=no' in the Google Maps API
...no native browser zooming on pages with a viewport tag set like that. This allows them to get rid of the dreaded 300ms delay on touch events that the browser takes to wait and see if your single touch will end up being a double touch. (Think "single click" and "double click".) However, when this que...
How to delete last character from a string using jQuery?
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@skajfes and @GolezTrol provided the best methods to use. Personally, I prefer using "slice()". It's less code, and you don't have to know how long a string is. Just use:
//-----------------------------------------
// @param begin Required. The index where
// to begin th...
Rsync copy directory contents but not directory itself
...older itself.
rsync /var/www /home/var - copies the folder www along with all its contents.
The "/" makes the difference.
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What makes a keychain item unique (in iOS)?
...the keychain access group (field kSecAttrAccessGroup) is an added field to all these primary keys.
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Explain ExtJS 4 event handling
...escribing DOM elements' event handling.
DOM node event handling
First of all you wouldn't want to work with DOM node directly. Instead you probably would want to utilize Ext.Element interface. For the purpose of assigning event handlers, Element.addListener and Element.on (these are equivalent) we...
What is the `sensor` parameter for in the Google Places API?
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Really? Could you please provide some link, where this is written. I have not found this anywhere. (Also wondering why the price is different and what is cheaper:)
– TN.
Dec 25 '11 at 21:1...
unix domain socket VS named pipes?
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UNIX-domain sockets are generally more flexible than named pipes. Some of their advantages are:
You can use them for more than two processes communicating (eg. a server process with potentially multiple client processes connecting);
They are bidirecti...
Postgres: “ERROR: cached plan must not change result type”
...after the database table was modified. This reset the database connection, allowing the prepared statement to execute without errors.
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What is meant by Scala's path-dependent types?
...dent types. It's something to do with inner-classes but what does this actually mean and why do I care?
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