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Convert pem key to ssh-rsa format
...m assuming no password for the keys (which is bad).
Generate an RSA pair
All the following methods give an RSA key pair in the same format
With openssl (man genrsa)
openssl genrsa -out dummy-genrsa.pem 2048
In OpenSSL v1.0.1 genrsa is superseded by genpkey so this is the new way to do it (man...
Matplotlib make tick labels font size smaller
...n I make the font size for the tick labels using ax1.set_xticklabels() smaller?
10 Answers
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Uri to default sound notification?
...icationManager mNotifyMgr =
(NotificationManager) getSystemService(NOTIFICATION_SERVICE);
mNotifyMgr.notify(id, mBuilder.build());
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How does one create an InputStream from a String? [duplicate]
...may not be the one you want here). For me, this is UTF-8 (which can encode all Java Strings). The right answer would be "indicate the encoding you really want", not "use UTF-16". And you can use it with .getBytes(charsetName), don't have to explicitly create a Charset object and encode the String to...
How do I convert from int to String?
I'm working on a project where all conversions from int to String are done like this:
20 Answers
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What's an easy way to read random line from a file in Unix command line?
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You can use shuf:
shuf -n 1 $FILE
There is also a utility called rl. In Debian it's in the randomize-lines package that does exactly what you want, though not available in all distros. On its home page it actually recommends the use of shuf instead (which didn't exist when it was cr...
Core dumped, but core file is not in the current directory?
...fied 14.04), there's an easy temporary workaround for this by running sudo service apport stop --- after I ran that, it changed /proc/sys/kernel/core_pattern from the apport pipe to just core. Apport is smart enough to fix up the core_pattern temporarily, I suppose.
– Patrick C...
Automatic vertical scroll bar in WPF TextBlock?
...g its vertical height. I expected a vertical scroll bar to appear automatically when that happens, but it didn't. I tried to look for a scroll bar property in the Properties pane, but could not find one.
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About catching ANY exception
How can I write a try / except block that catches all exceptions?
8 Answers
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Installing older version of R package
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To install an older version of a package from source (within R):
packageurl <- "http://cran.r-project.org/src/contrib/Archive/ggplot2/ggplot2_0.9.1.tar.gz"
install.packages(packageurl, repos=NULL, type="source")
If this doesn'...