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How do you find the current user in a Windows environment?
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The extra information with all the environment variables makes this a wonderful extended answer.
– bballdave025
May 21 at 19:32
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Vim: insert the same characters across multiple lines
... text on every single line in a range you can easily skip them by pressing extra j's.
Note that for large number of contiguous additions, the block approach or macro will likely be superior.
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Memory footprint of Haskell data types
...of type Int and Char, so in many cases these take no heap space at all. A String only requires space for the list cells, unless you use Chars > 255.
An Int8 has identical representation to Int. Integer is defined like this:
data Integer
= S# Int# -- small integers...
How to put space character into a string name in XML?
i have defined some strings in the strings.xml file. Now I need to put some extra space between some numbers in the string. When I type extra space characters this is not showing on the application though.
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How can I implement a tree in Python?
...ibility with Py3. Here we're talking about Py3 code. There's no need to do extra, legacy typing.
– cfi
Sep 27 '12 at 10:45
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Git merge without auto commit
...t the ideal situation: fast-forwards are a Good Thing, and not having this extra "merge commit" Makes Sense. This is good default behavior and shouldn't be disabled. (In proper parlance, a fast-forward is a type of merge, but it isn't a "true merge".)
– michael
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Inverse dictionary lookup in Python
...on 2.6, so if you want to remain portable you'll need to put up with the 6 extra characters for dict() around a generator of 2-tuples or a list comprehension of 2-tuples
– hobs
May 16 '13 at 22:23
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Creating a new user and password with Ansible
...th pip install passlib. Then to be able to use an inline vault encrypted string i had to reformat with the following addition: password: {{ upassword | string | password_hash('sha512') }}. This avoids the error message secret must be unicode or bytes, not ansible.parsing.yaml.objects.AnsibleVaultE...
Convert absolute path into relative path given a current directory using Bash
...m @pini (which sadly handle only a few cases)
Reminder : '-z' test if the string is zero-length (=empty) and '-n' test if the string is not empty.
# both $1 and $2 are absolute paths beginning with /
# returns relative path to $2/$target from $1/$source
source=$1
target=$2
common_part=$source # f...
How much size “Null” value takes in SQL Server
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The following link claims that if the column is variable length, i.e. varchar then NULL takes 0 bytes (plus 1 byte is used to flag whether value is NULL or not):
How does SQL Server really store NULL-s
The above link, as well as the below link, claim that for fixed length columns, i.e. char(10...