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How to port data-only volumes from one host to another?
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@Datz it's just a command called to create the data container it could be any command which actually does nothing. The container starts and immediately exits but it is used to persist data.
– tommasop
Jan 26 ...
How does this print “hello world”?
...th this codification scheme you can have all 26 (one case) english letters and 6 symbols (being space among them).
Algorithm description
The >>= 5 in the for-loop jumps from group to group, then the 5-bits group gets isolated ANDing the number with the mask 31₁₀ = 11111₂ in the sentenc...
PowerShell and the -contains operator
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The -Contains operator doesn't do substring comparisons and the match must be on a complete string and is used to search collections.
From the documentation you linked to:
-Contains
Description: Containment operator. Tells whether a collection of reference values includes a...
Calendar returns wrong month [duplicate]
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Months are indexed from 0 not 1 so 10 is November and 11 will be December.
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What is the difference between PS1 and PROMPT_COMMAND
...oc page: http://www.gnu.org/software/bash/manual/bashref.html
PROMPT_COMMAND
If set, the value is interpreted as a command to execute before
the printing of each primary prompt ($PS1).
I never used it, but I could have used this back when I only had sh.
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What is the use of ObservableCollection in .net?
...es to the collection (add, move, remove) occur. It is used heavily in WPF and Silverlight but its use is not limited to there. Code can add event handlers to see when the collection has changed and then react through the event handler to do some additional processing. This may be changing a UI or...
How to use CSS to surround a number with a circle?
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Here's a demo on JSFiddle and a snippet:
.numberCircle {
border-radius: 50%;
width: 36px;
height: 36px;
padding: 8px;
background: #fff;
border: 2px solid #666;
color: #666;
text-align: center;
font...
Business logic in MVC [closed]
... @mud what if we devide our model into two more layers i.e service layer and repository...service layer is responsible for business logic and repository is responsible for data layer...?
– Dragon
Nov 14 '15 at 19:02
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Get names of all files from a folder with Ruby
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You also have the shortcut option of
Dir["/path/to/search/*"]
and if you want to find all Ruby files in any folder or sub-folder:
Dir["/path/to/search/**/*.rb"]
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What to do with branch after merge
I had two branches: master and branch1 . I just merged branch1 back into master and I'm done with that branch. Should I delete it or just let it sit around? Will deleting it cause any loss of data?
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