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Bash variable scope
...do
var="abc"
echo $var | xsel -i -p # redirect stdin to the X primary selection
done
var=$(xsel -o -p) # redirect back to stdout
echo $var
EDIT:
Here, xsel is a requirement (install it).
Alternatively, you can use xclip:
xclip -i -selection clipboard
instead of
xsel -i -p
...
Multiple Indexes vs Multi-Column Indexes
...e multi-column index can be used for queries referencing all the columns:
SELECT *
FROM TableName
WHERE Column1=1 AND Column2=2 AND Column3=3
This can be looked up directly using the multi-column index. On the other hand, at most one of the single-column index can be used (it would have to look u...
IIS7 Cache-Control
...
That's not true Jeff.
You simply have to select a folder within your IIS 7 Manager UI (e.g. Images or event the Default Web Application folder) and then click on "HTTP Response Headers". Then you have to click on "Set Common Header.." in the right pane and select th...
HTTP Error 503, the service is unavailable
...ur web site, and click on it. On the Advanced Settings menu to the right, select Identity and change it and enter new user and password. Click on your Application Pool again, and select Recycle to restart it.
You can also try looking at the error message in Event Viewer, under Windows Logs, Applic...
Git: Cannot see new remote branch
... and have the new remote branch appear in the dropdown of branches you can select.
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How do I display the current value of an Android Preference in the Preference summary?
..., and ListPreference.getSummary() will format the summary with the current selected entry (or "" if none selected).
– SOFe
Aug 3 '16 at 7:19
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iOS5 Storyboard error: Storyboards are unavailable on iOS 4.3 and prior
... it runs on iOS 4.3. I clicked on the gray 5.0 in the project settings and selected 4.3.
18 Answers
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How can I enable the Windows Server Task Scheduler History recording?
...plication and Service Logs then Microsoft, Windows, TaskScheduler and then select Operational.
You should have Actions showing in the preview pane with two sections - Operational and below that Event nnn, TaskScheduler. One of the items listed in the Operational section should be Properties. Click ...
How can I make a clickable link in an NSAttributedString?
...operties
}
Make Sure that the NSTextField's Behavior attribute is set as Selectable.
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How to get an object's properties in JavaScript / jQuery?
...ct. Even most of those primitives are actually also objects with a limited selection of methods. They are cast into objects under the hood, when required. To know the base class name, you may invoke the Object.prototype.toString method on an object, like this:
alert(Object.prototype.toString.call([...