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How can I get Docker Linux container information from within the container itself?
...be the short container id in Docker 1.12
root@d2258e6dec11:/project# cat /etc/hostname
d2258e6dec11
Externally
$ docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
d2258e6dec11 300518d26271...
How can I see the current value of my $PATH variable on OS X?
...on your output the following directories will be searched in the following order:
/usr/local/share/npm/bin
/Library/Frameworks/Python.framework/Versions/2.7/bin
/usr/local/bin
/usr/local/sbin
~/bin
/Library/Frameworks/Python.framework/Versions/Current/bin
/usr/bin
/bin
/usr/sbin
/sbin
/usr/local/bi...
Filtering Pandas DataFrames on dates
...csv data file, we'll need to set the date column as index now as below, in order to filter data based on a range of dates. This was not needed for the now deprecated method: pd.DataFrame.from_csv().
If you just want to show the data for two months from Jan to Feb, e.g. 2020-01-01 to 2020-02-29, you...
Sqlite or MySql? How to decide? [closed]
...d that has lots of selects and a few updates, and want them to go smoothly etc.
a lot of memory usage, for example, to buffer parts of your 1Tb database in your 32G of memory.
You need to use mysql or some other server-based RDBMS.
Note that MySQL is not the only choice and there are plenty of ot...
jQuery - Detect value change on hidden input field
...
It is possible to use Object.defineProperty() in order to redefine the 'value' property of the input element and do anything during its changing.
Object.defineProperty() allows us to define a getter and setter for a property, thus controlling it.
replaceWithWrapper($("#hi...
How to make a display in a horizontal row
... Floating them right will have an extra affect: it will swap the order of them so from left to right they will be last to first.
– Matthew James Taylor
May 25 '09 at 5:17
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Generate table relationship diagram from existing schema (SQL Server) [closed]
...tool shows tables and references orthogonal, hierarchical, in a circle ;-) etc. just by pressing one single button. I use the free version for years now.
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Can my enums have friendly names? [duplicate]
... {
DescriptionAttribute attr =
Attribute.GetCustomAttribute(field,
typeof(DescriptionAttribute)) as DescriptionAttribute;
if (attr != null)
{
return attr.Description;
}
}
}
retu...
What is the Ruby (spaceship) operator?
...es not work as expected. The factors should be powers of two in descending order, i.e. 8, -4, 2, 1. The way you wrote it (with factors 4,-3,2,1), e.g. "age + lastname" counts more than "zip"...
– Elmar Zander
Sep 23 '19 at 5:51
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How can I check the system version of Android?
Does anyone know how can I check the system version (e.g. 1.0 , 2.2 , etc.) programatically?
13 Answers
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