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Select unique or distinct values from a list in UNIX shell script
...wing input:
class
jar
jar
jar
bin
bin
java
uniq will output all lines exactly once:
class
jar
bin
java
uniq -d will output all lines that appear more than once, and it will print them once:
jar
bin
uniq -u will output all lines that appear exactly once, and it will print them once:
cla...
How to increase IDE memory limit in IntelliJ IDEA on Mac?
I'm using IDEA 12 Leda on Mountain Lion. I wanted to increase the maximum memory that IDE can use. I set the VMOptions in Info.plist file to be
-Xmx2048m -ea -XX:+HeapDumpOnOutOfMemoryError -Xverify:none -Xbootclasspath/a:../lib/boot.jar
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Create a dictionary with list comprehension
I like the Python list comprehension syntax.
14 Answers
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How to use 'cp' command to exclude a specific directory?
I want to copy all files in a directory except some files in a specific sub-directory.
I have noticed that cp command didn't have the --exclude option.
So, how can I achieve this?
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How do SO_REUSEADDR and SO_REUSEPORT differ?
...cket implementation of a specific operating system, which may not even be explicitly mentioned in the text.
2 Answers
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How to merge remote changes at GitHub?
...en commits A and B.
Alternatively, you can rebase your change between X and B on top of A, with "git pull --rebase", and push the result back. The rebase will create a new commit D that builds the change between X and B on top of A.
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Difference between this and self in JavaScript
...he value of self is window because JavaScript lets you access any property x of window as simply x, instead of window.x. Therefore, self is really window.self, which is different to this.
window.self === window; // true
If you're using a function that is executed in the global scope and is not in...
How to replace spaces in file names using a bash script
...res in file and directory names starting from a given root directory? For example:
18 Answers
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How to scroll to the bottom of a UITableView on the iPhone before the view appears
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Read first N lines of a file in python
... large raw data file that we would like to trim to a specified size.
I am experienced in .net c#, however would like to do this in python to simplify things and out of interest.
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