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Linux command or script counting duplicated lines in a text file?
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uniq -c file
and in case the file is not sorted already:
sort file | uniq -c
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node.js remove file
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You shouldn't check if it exists if there are multiple threads or processes that might be using or trying to delete the same file, in which case your check that the file exists will become invalid between the time you check that it exists and the time you try to delete it. Just che...
How to add elements of a Java8 stream into an existing List
...s are designed to support parallelism, even over collections that aren't thread-safe. The way they do this is to have each thread operate independently on its own collection of intermediate results. The way each thread gets its own collection is to call the Collector.supplier() which is required to ...
In Java, what does NaN mean?
...g-Point Arithmetic (IEEE 754) quite explicitly which Java follows blindly. Reading the standard opens your eyes to a lot of things, the multiple values of zero being one of the things.
– Esko
Apr 11 '10 at 18:57
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How do I move files in node.js?
...ke mv command shell) on node.js? Is there any method for that or should I read a file, write to a new file and remove older file?
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MySQL Database won't start in XAMPP Manager-osx
.../ibdata1, error: 35 and furthermore [Note] InnoDB: Check that you do not already have another mysqld process using the same InnoDB data or log files. Heck! It was right! Kill the mysqld process, type benshittu's command and it should work.
– LucaM
Jul 14 '15 at...
How to call a shell script from python code?
...e], stdout=temp_file)
with open("temp.txt",'r') as file:
output = file.read()
print(output)
Don't forget to take a look at the doc subprocess
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Node.js Unit Testing [closed]
...e to play around with mocha. I can seriously recommend using it. The tests read very nicely, integration with gulp is great and tests run very fast. I was able to setup automatic standalone as well as in-browser (browserify) test runs and corresponding code coverage reports in about half a day (most...
how to remove untracked files in Git?
...itrary files, that you havn't thought of at first. Please double check and read all the comments below this answer and the --help section, etc., so to know all details to fine-tune your commands and surely get the expected result.
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How to capitalize the first letter of a String in Java?
...:
public static void main(String[] args) throws IOException {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
// Actually use the Reader
String name = br.readLine();
// Don't mistake String object with a Character object
String s1 = name.substring(0, 1)...