大约有 36,000 项符合查询结果（耗时：0.0286秒） [XML]
How to display line numbers in 'less' (GNU)
...sed to colorize the line numbers and option -R to let less display colors: cat -n file.txt | sed 's/^[ 0-9]*[0-9]/\o033[34m&\o033[0m/' | less -R You may also customize LESSOPEN... Cheers ;)
– olibre
Aug 28 '13 at 11:11
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Verify a certificate chain using openssl verify
I'm building a own certificate chain with following componenents:
7 Answers
7
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Java - escape string to prevent SQL injection
...y {
try {
if (stmt != null) { stmt.close(); }
}
catch (Exception e) {
// log this error
}
try {
if (conn != null) { conn.close(); }
}
catch (Exception e) {
// log this error
}
}
}
No matter what characters are i...
Colors with unix command “watch”?
...sing
while sleep <time>; do <command> > /tmp/file; clear; cat /tmp/file; done
But then you'll hit again the "I am not writing to a terminal" feature.
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How to get a list of repositories apt-get is checking? [closed]
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Try this:
cat /etc/apt/sources.list
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Function to clear the console in R and RStudio
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cat("\014")
is the code to send CTRL+L to the console, and therefore will clear the screen.
Far better than just sending a whole lot of returns.
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How can I shuffle the lines of a text file on the Unix command line or in a shell script?
...eir hash value.
[Editor's note: sort -R almost shuffles, except that duplicate lines / sort keys always end up next to each other. In other words: only with unique input lines / keys is it a true shuffle. While it's true that the output order is determined by hash values, the randomness comes from ...
Creating .pem file for APNS?
...cess from your local Mac and from the login keychain, filter by the Certificates category. You will see an expandable option called “Apple Development Push Services”
Right click on “Apple Development Push Services” > Export “Apple Development Push Services ID123″. Save this as apns-de...
Why is there no SortedList in Java?
...thermore if you are sure that you don't need to worry about (or have) duplicate elements then you can use the TreeSet<T> instead. It implements SortedSet and NavigableSet interfaces and works as you'd probably expect from a list:
TreeSet<String> set = new TreeSet<String>();
set.ad...
Unix tail equivalent command in Windows Powershell
... click on the file in Windows Explorer, suddenly PowerShell "wakes up" and catches up the remaining lines. Is this a bug?
– JoshL
Oct 9 '12 at 22:32
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