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How can I enable the Windows Server Task Scheduler History recording?
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I apologize. I should have included a screenshot: screencast.com/t/FY6u6v2A . Hope that clarifies what I am asking about retention: false and autoBackup: false and publishing: lines?
– Jon Grah
Jul 7 '18 at 3:2...
Tags for Emacs: Relationship between etags, ebrowse, cscope, GNU Global and exuberant ctags
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It should come as no surprise to anyone at this point, that when I deal with C/C++ projects I make heavy use of cscope and care very little about ctags. When dealing with other languages the situation would...
In what cases could `git pull` be harmful?
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Finding current executable's path without /proc/self/exe
... name of the executable or a name that was found using $PATH.
Some shells, including bash and ksh, set the environment variable "_" to the full path of the executable before it is executed. In that case you can use getenv("_") to get it. However this is unreliable because not all shells do this, a...
Postgres and Indexes on Foreign Keys and Primary Keys
...y extra indexes.
While it's usually a good idea to create an index on (or including) your referencing-side foreign key columns, it isn't required. Each index you add slows DML operations down slightly, so you pay a performance cost on every INSERT, UPDATE or DELETE. If the index is rarely used it m...
Possible reasons for timeout when trying to access EC2 instance
...e.
Building everything back I had to make sure to create EVERYTHING. This included:
Create VPC
CIDR: 10.0.0.0/24
Create Internet Gateway
Attach Internet Gateway to VPC
Create Routing Table
Add Route to Routing Table
Destination: 0.0.0.0/0
Target: <Internet Gateway from earlier>
Create S...
TypeError: 'module' object is not callable
...his wasn't obvious to at least 133 people who took time to up vote (myself included) who didn't understand this. Now, it's obvious, and next time I reach in my toolbox, I will find this tool when a module is reported as "not callable". Getting started with a new language is the toughest part.
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On Duplicate Key Update same as insert
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How to print a string in fixed width?
...t's original intent and recommended to post as a comment or answer, so I'm including the short write-up here.
In addition to the answer from @0x90, the syntax can be made more flexible, by using a variable for the width (as per @user2763554's comment):
width=10
'{0: <{width}}'.format('sss', wid...