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How to set java_home on Windows 7?
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First you need to know the installation path for the Java Development Kit.
Open the default installation path for the JDK:
C:\Program Files\Java
There should be a subdirectory like:
C:\Program Files\Java\jdk1.8.0_172
Note: one has only to put the path to the jdk without /bin in the end...
How can I setup & run PhantomJS on Ubuntu?
I set up PhantomJS and recorded it to video: https://www.dailymotion.com/video/xnizmh_1_webcam
25 Answers
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Unix command to prepend text to a file
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sed -i.old '1s;^;to be prepended;' inFile
-i writes the change in place and take a backup if any extension is given. (In this case, .old)
1s;^;to be prepended; substitutes the beginning of the first line by the given replacement string, using ; as a command delimiter.
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stop all instances of node.js server
This is my first time working with Node.js and I ran into this problem:
16 Answers
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In MySQL queries, why use join instead of where?
It seems like to combine two or more tables, we can either use join or where. What are the advantages of one over the other?
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C# Test if user has write access to a folder
I need to test if a user can write to a folder before actually attempting to do so.
18 Answers
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One-liner to recursively list directories in Ruby?
...Dir.glob("**/*") # for all files
Instead of Dir.glob(foo) you can also write Dir[foo] (however Dir.glob can also take a block, in which case it will yield each path instead of creating an array).
Ruby Glob Docs
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C++ convert hex string to signed integer
I want to convert a hex string to a 32 bit signed integer in C++.
9 Answers
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How to get the command line args passed to a running process on unix/linux systems?
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edited May 21 '19 at 14:49
jpaugh
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How to resolve git's “not something we can merge” error
I just encountered a problem when merging a branch into master in git. First, I got the branch name by running git ls-remote . Let's call that branch "branch-name". I then ran git merge branch-name command and got the following result:
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