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Getting root permissions on a file inside of vi? [closed]
Often while editing config files, I'll open one with vi and then when I go to save it realize that I didn't type
10 Answers...
How to use RSpec's should_raise with any kind of exception?
...e_method }.should raise_error
See the documentation (for RSpec 1 syntax) and RSpec 2 documentation for more.
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Select the values of one property on all objects of an array in PowerShell
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I think you might be able to use the ExpandProperty parameter of Select-Object.
For example, to get the list of the current directory and just have the Name property displayed, one would do the following:
ls | select -Property Name
This is still returning Direc...
Two way sync with rsync
I have a folder a/ and a remote folder A/.
I now run something like this on a Makefile:
10 Answers
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How can I measure the similarity between two images? [closed]
...images with a text added vs. another without
mirrored images
The easiest and simplest algorithm I've seen for this is just to do the following steps to each image:
scale to something small, like 64x64 or 32x32, disregard aspect ratio, use a combining scaling algorithm instead of nearest pixel
sc...
Understanding $.proxy() in jQuery
From docs I understand that .proxy() would change the scope of the function passed as an argument. Could someone please explain me this better? Why should we do this?
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How to retrieve the LoaderException property?
...th my code. I've placed a try...catch around my entire Installer.cs class, and nothing! My code does not throw this when it runs, only when I try to execute the Installer. Does anyone know How to Retrieve the LoaderExceptions property for more information? Like, browse to a folder and view a log fil...
How do I query between two dates using MySQL?
... is before your first date (ie. you are querying between September 29 2010 and January 30 2010). Try reversing the order of the dates:
SELECT *
FROM `objects`
WHERE (date_field BETWEEN '2010-01-30 14:15:55' AND '2010-09-29 10:15:55')
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How to apply shell command to each line of a command output?
Suppose I have some output from a command (such as ls -1 ):
8 Answers
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How to use conditional breakpoint in Eclipse?
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Put your breakpoint.
Right-click the breakpoint image on the margin and choose Breakpoint Properties:
Configure condition as you see fit:
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