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How to check if a symlink exists

I'm trying to check if a symlink exists in bash. Here's what I've tried. 8 Answers 8 ...
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UnicodeDecodeError: 'ascii' codec can't decode byte 0xe2 in position 13: ordinal not in range(128)

I'm using NLTK to perform kmeans clustering on my text file in which each line is considered as a document. So for example, my text file is something like this: ...
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How to read the value of a private field from a different class in Java?

...ave a poorly designed class in a 3rd-party JAR and I need to access one of its private fields. For example, why should I need to choose private field is it necessary? ...
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Batch file. Delete all files and folders in a directory

I want to have a batch file that will delete all the folders and files in my cache folder for my wireless toolkit. 15 Answe...
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Git search for string in a single file's history

So if I have a file called foo.rb and it is giving me an error for a missing method called bar , so I want to search the history of foo.rb for the string bar to see if it was ever defined in the past. ...
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What's the simplest way to test whether a number is a power of 2 in C++?

I need a function like this: 17 Answers 17 ...
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combinations between two lists?

...o make. Basically, I have two lists and want to get all the combinations of the two lists. 11 Answers ...
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What is the difference between encrypting and signing in asymmetric encryption?

What is the difference between encrypting some data vs signing some data (using RSA)? 11 Answers ...
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Is it possible to override JavaScript's toString() function to provide meaningful output for debuggi

...pt program, I just see the output [object Object] , which is not very helpful in figuring out what object (or even what type of object) it is. ...
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What are fixtures in programming?

I have heard of this term many times (in the context of programming) but couldn't find any explanation of what it meant. Any good articles or explanations? ...