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How to create a directory using Ansible
...esn't exist
- file: path=/src/www state=directory mode=0755
You can also consult
http://docs.ansible.com/ansible/file_module.html
for further details regaridng directory and file system.
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Track the time a command takes in UNIX/LINUX?
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Yes, use time <command>, such as
time ls
Consult man time for more options. Link.
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Windows service on Local Computer started and then stopped error
...eption. This is pretty difficult to debug, but there are a few options.
Consult the Windows Event Viewer. Normally you can get to this by going to the computer/server manager, then clicking Event Viewer -> Windows Logs -> Application. You can see what threw the exception here, which may h...
List of all index & index columns in SQL Server DB
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There are two "sys" catalog views you can consult: sys.indexes and sys.index_columns.
Those will give you just about any info you could possibly want about indices and their columns.
EDIT: This query's getting pretty close to what you're looking for:
SELECT
Tab...
Ruby on Rails: how to render a string as HTML?
...;
OR
@str = "<b>Hi</b>"
<%= @str.html_safe %>
Using raw works fine, but all it's doing is converting the string to a string, and then calling html_safe. When I know I have a string, I prefer calling html_safe directly, because it skips an unnecessary step and makes it clearer ...
How to get line count of a large file cheaply in Python?
... way to make this run considerably faster, namely by using the unbuffered (raw) interface, using bytearrays, and doing your own buffering. (This only applies in Python 3. In Python 2, the raw interface may or may not be used by default, but in Python 3, you'll default into Unicode.)
Using a modifi...
What does preceding a string literal with “r” mean? [duplicate]
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The r means that the string is to be treated as a raw string, which means all escape codes will be ignored.
For an example:
'\n' will be treated as a newline character, while r'\n' will be treated as the characters \ followed by n.
When an 'r' or 'R' prefix is present,...
How to split a dos path into its components in Python
... this "C:\usr\rs0\my0\in111102.log" is used (unless the initial input is a raw string) ?
– shearichard
Nov 3 '11 at 0:55
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How can I do division with variables in a Linux shell?
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@sputnick You are clearly confused. Please feel free to consult a dictionary. See dereference and interpolate.
– Todd A. Jacobs
Aug 7 '13 at 4:25
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Why is using onClick() in HTML a bad practice?
...write:
<button (click)="someAction()">Click Me</button>
In raw js/html the equivalent of this will be
<button onclick="someAction()">Click Me</button>
The difference is that in raw js onclick event is run in the global scope - but the frameworks provide encapsulation.
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