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Grep for literal strings

... @ADTC. $ and a few other characters are special and they will be replaced by bash after you hit enter and before grep (or whatever command) is executed. You can tell bash to leave all characters (except a single quote) untouched by enclosing them inside single quotes. If you need to type a single q...
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jQuery append() vs appendChild()

... @RobFox: by safe I meant to say that if you're using jquery then you are safe to use always append (there is no situation where DOM appendchild is prefered). In relation to domManip, it seems the main objective is using DOM DocumentFr...
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How to use a class from one C# project with another C# project

...g namespaces then you will need to import the namespaces for your P1 types by adding 'using' statements to your files in P2. Note that the types in P1 that you wish to access directly must have a sufficient access level: typically this means they must be made public. ...
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Handling exceptions from Java ExecutorService tasks

...hat is package private and no way to access the throwable. I got around it by wrapping the call. See my answer below. – mmm Dec 14 '14 at 11:12 2 ...
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Chmod recursively

I have an archive, which is archived by someone else, and I want to automatically, after I download it, to change a branch of the file system within the extracted files to gain read access. (I can't change how archive is created). ...
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Why do some functions have underscores “__” before and after the function name?

... whose name starts with an underscore. single_trailing_underscore_: used by convention to avoid conflicts with Python keyword, e.g. Tkinter.Toplevel(master, class_='ClassName') __double_leading_underscore: when naming a class attribute, invokes name mangling (inside class FooBar, __boo beco...
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Is a Java hashmap search really O(1)?

...ccounting for. You could get the probability to an arbitrarily tiny level by choosing the correct k, all without altering the actual implementation of the algorithm. We talk about this by saying that the hash-map has O(1) access with high probability ...
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How to replace NaN values by Zeroes in a column of a Pandas Dataframe?

I have a Pandas Dataframe as below: 12 Answers 12 ...
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How to get git diff with full context?

... <pre>$(wc -l MYFILE)</pre> expands to the line count followed by the file name, so the second use of the filename can be omitted also. I'm updating my answer to reflect this. – Ezra Nov 22 '16 at 17:36 ...
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REST API Authentication

... Please read this question and the answer provided by Les Hazelwood (author of Apache Shiro). – justin.hughey Nov 3 '14 at 15:11 1 ...