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grep without showing path/file:line

... No need to find. If you are just looking for a pattern within a specific directory, this should suffice: grep -hn FOO /your/path/*.bar Where -h is the parameter to hide the filename, as from man grep: -h, --no-filename Suppress t...
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Turning off some legends in a ggplot

... Note to self: if you have a geom_linerange() and the legend is showing a cross instead of a line, insert show.legend=FALSE inside the geom_linerange(). – PatrickT Sep 30 '17 at 8:51 ...
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Who is “us” and who is “them” according to Git?

..."them/theirs", perhaps by branch-name for instance: "deleted in master, modified in feature". – torek Jan 9 '14 at 21:43 3 ...
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sed edit file in place

I am trying to find out if it is possible to edit a file in a single sed command without manually streaming the edited content into a new file and then renaming the new file to the original file name. I tried the -i option but my Solaris system said that -i is an illegal option. Is there a d...
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Convert PDF to image with high resolution

...ommand (the image on the right):    (To really see and appreciate the differences between the two, right-click on each and select "Open Image in New Tab...".) Also keep the following facts in mind: The worse, blurry image on the right has a file size of 1.941.702 Bytes (1.85 MByte). Its resol...
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What does the “-U” option stand for in pip install -U

...upgrade Upgrade all packages to the newest available version So, if you already have a package installed, it will upgrade the package for you. Without the -U switch it'll tell you the package is already installed and exit. Each pip subcommand has its own help listing. pip -h shows you ove...
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How do I select child elements of any depth using XPath?

Suppose I have this (simplified): 4 Answers 4 ...
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Remove the error indicator from a previously-validated EditText widget

...extView.setError(null); } Because as mentioned in the documentation: If the error is null, the error message and icon will be cleared. share | improve this answer | fo...
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Adding services after container has been built

...uilder.Update has been deprecated, the new recommendation is to use child lifetime scope. Adding Registrations to a Lifetime Scope Autofac allows you to add registrations “on the fly” as you create lifetime scopes. This can help you when you need to do a sort of “spot weld” limited registr...
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git - diff of current changes before committing

... git diff by default shows difference between your working directory and the index (staging area for the next commit). If you have already added (staged) the changes to the staging area, git diff --staged does the job. Staging ar...