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Name node is in safe mode. Not able to leave
... leave
I used the hdfs command instead of the hadoop command.
Check out http://ask.gopivotal.com/hc/en-us/articles/200933026-HDFS-goes-into-readonly-mode-and-errors-out-with-Name-node-is-in-safe-mode- link too
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npm install private github repositories by dependency in package.json
... just fine in all scenarios i needed :
"dependencies": {
"GitRepo": "git+https://<token-from-github>:x-oauth-basic@github.com/<user>/<GitRepo>.git"
}
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How can we print line numbers to the log in java
... allows you to include the line number as part of its output pattern. See http://logging.apache.org/log4j/1.2/apidocs/org/apache/log4j/PatternLayout.html for details on how to do this (the key element in the conversion pattern is "L"). However, the Javadoc does include the following:
WARNING G...
CSS Display an Image Resized and Cropped
...5px 0 0 -100px;
}
<div class="crop">
<img src="https://i.stack.imgur.com/wPh0S.jpg" alt="Donald Duck">
</div>
You can use negative margin to move the image around within the <div/>.
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When 1 px border is added to div, Div size increases, Don't want to do that
...ecko */
box-sizing: border-box; /* Opera/IE 8+ */
}
Taken from http://css-tricks.com/box-sizing/
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vim - How to delete a large block of text without counting the lines?
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For reference: the types of objects.
From vim documentation : section 4. http://vimdoc.sourceforge.net/htmldoc/visual.html
4. Operating on the Visual area *visual-operators*
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The objects that can be used are:
aw a word (with white space)
iw inner word ...
Converting HTML files to PDF [closed]
... to build something today, I wouldn't go that route anymore.
But would use http://pdfkit.org/ instead.
Probably stripping it of all its nodejs dependencies, to run in the browser.
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Fully backup a git repo?
...This is atomic so doesn't have the problems that a simple copy would.
See http://www.garron.me/en/bits/backup-git-bare-repo.html
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Deleting all files in a directory with Python
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
“Content is not allowed in prolog” when parsing perfectly valid XML on GAE
...t, just delete all those weird characters before the “<?xml“.
Ref: http://www.mkyong.com/java/sax-error-content-is-not-allowed-in-prolog/
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