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What does ** (double star/asterisk) and * (star/asterisk) do for parameters?
... 27
# name one
Both idioms can be mixed with normal arguments to allow a set of fixed and some variable arguments:
def foo(kind, *args, **kwargs):
pass
It is also possible to use this the other way around:
def foo(a, b, c):
print(a, b, c)
obj = {'b':10, 'c':'lee'}
foo(100,**obj)
# 100...
How to find out which processes are using swap space in Linux?
...t working anymore: It seems more recent versions of top no longer have 'O' set as the key for choosing the sort fields. When using the ? key you can see the actual program name and version, procps-ng being the latest version. This is a fork by Debian, Fedora and openSUSE: gitorious.org/procps . ...
How to list containers in Docker
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The Docker command set is simple and holds together well:
docker stack ls
docker service ls
docker image ls
docker container ls
Teaching the aliases first is confusing. Once you understand what's going on, they can save some keystrokes:
doc...
Export query result to .csv file in SQL Server 2008
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Confirmed @Breandán comment. The new settings won't apply to currently opened query window, must close them and re-run the query.
– Shinigamae
Jun 22 '15 at 8:14
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How do I rename all files to lowercase?
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A fish shell version:
for old in *
set new (echo $old | tr '[A-Z]' '[a-z]')
mv $old $new
end
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Automatically remove Subversion unversioned files
Does anybody know a way to recursively remove all files in a working copy that are not under version control? (I need this to get more reliable results in my automatic build VMware.)
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How to get all subsets of a set? (powerset)
Given a set
26 Answers
26
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How to export data as CSV format from SQL Server using sqlcmd?
...h-1 -s"," -w 700
-h-1 removes column name headers from the result
-s"," sets the column seperator to ,
-w 700 sets the row width to 700 chars (this will need to be as wide as the longest row or it will wrap to the next line)
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Is there any boolean type in Oracle databases?
...clear recommendation about what to use instead. See this thread on asktom. From recommending CHAR(1) 'Y'/'N' they switch to NUMBER(1) 0/1 when someone points out that 'Y'/'N' depends on the English language, while e.g. German programmers might use 'J'/'N' instead.
The worst thing is that they defen...
Can a Windows batch file determine its own file name?
...Filename as given on command line minus quotes: %~0
@REM Build from parts
@SETLOCAL
@SET drv=%~d0
@SET pth=%~p0
@SET fpath=%~dp0
@SET fname=%~n0
@SET ext=%~x0
@echo Simply Constructed name: %fpath%%fname%%ext%
@echo Fully Constructed name: %drv%%pth%%fname%%ext%
@ENDLOCAL
pause
...