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SQL, Postgres OIDs, What are they and why are they useful?
I am looking at some PostgreSQL table creation and I stumbled upon this:
4 Answers
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Downloading all maven dependencies to a directory NOT in repository?
...gainst the wall on it for far too long I've decided to stop hurting myself and just use Ant. I'd like to just have maven download the jar and all of its transitive dependencies into a directory of my choosing so I can just check them into my SCM as I normally enjoy and be a blissful developer once ...
What is the difference between $(command) and `command` in shell programming?
To store the output of a command as a variable in sh/ksh/bash, you can do either
6 Answers
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What does enumerate() mean?
...is produced with (counter, element); the for loop binds that to row_number and row, respectively.
Demo:
>>> elements = ('foo', 'bar', 'baz')
>>> for elem in elements:
... print elem
...
foo
bar
baz
>>> for count, elem in enumerate(elements):
... print count, ele...
Table with fixed header and fixed column on pure css
... to create a html table (or something similar looking) with a fixed header and a fixed first column.
20 Answers
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Accidentally committed .idea directory files into git
... filesystem
Send the change to others
Third, commit the .gitignore file and the removal of .idea from the repository. After that push it to the remote(s).
Summary
The full process would look like this:
$ echo '.idea' >> .gitignore
$ git rm -r --cached .idea
$ git add .gitignore
$ git com...
Where can I get a list of Ansible pre-defined variables?
...at Ansible provide some pre-defined variables that we can use in playbooks and template files. For example, the host ip address is ansible_eth0.ipv4.address. Googleing and searching the docs I cound't find a list of all available variables. Would someone list them for me?
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Capitalize the first letter of both words in a two word string
Let's say that I have a two word string and I want to capitalize
both of them.
12 Answers
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Python: Checking if a 'Dictionary' is empty doesn't seem to work
... if a dictionary is empty but it doesn't behave properly. It just skips it and displays ONLINE without anything except of display the message. Any ideas why ?
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What exactly does the “u” do? “git push -u origin master” vs “git push origin master”
I'm apparently terrible at using git, despite my best attempts to understand it.
4 Answers
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