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Alias with variable in bash [duplicate]

... I'd create a function for that, rather than alias, and then exported it, like this: function tail_ls { ls -l "$1" | tail; } export -f tail_ls Note -f switch to export: it tells it that you are exporting a function. Put this in your .b...
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Which HTML Parser is the best? [closed]

...ava! This is awesome! I built a proxy in just a couple hours that modifies all of the src and href links to make them full paths to the origin server. – jmort253 May 14 '11 at 4:04 ...
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How to convert a string or integer to binary in Ruby?

... You would naturally use Integer#to_s(2), String#to_i(2) or "%b" in a real program, but, if you're interested in how the translation works, this method calculates the binary representation of a given integer using basic operators: def int_t...
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How to delete the last n commits on Github and locally?

I'm trying to delete the last 2 commits from one of my GitHub repositories. I've tried as suggested here : git push -f origin HEAD^^:master . It seems that it works, as the last two commits are removed. ...
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Why do you use typedef when declaring an enum in C++?

... In C, declaring your enum the first way allows you to use it like so: TokenType my_type; If you use the second style, you'll be forced to declare your variable like this: enum TokenType my_type; As mentioned by others, this doesn't make a difference in C++. M...
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Lightweight Java Object cache API [closed]

I'm looking for a Java in-memory object caching API. Any recommendations? What solutions have you used in the past? 7 Answe...
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Can anyone explain this strange behavior with signed floats in C#?

...(thisObj, obj); (Both methods are [MethodImpl(MethodImplOptions.InternalCall)]) When all of the fields are 8 bytes wide, CanCompareBits mistakenly returns true, resulting in a bitwise comparison of two different, but semantically identical, values. When at least one field is not 8 bytes wide, Ca...
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Why does this loop produce “warning: iteration 3u invokes undefined behavior” and output more than 4

... If during the evaluation of an expression, the result is not mathematically defined or not in the range of representable values for its type, the behavior is undefined. [ Note: most existing implementations of C++ ignore integer overflows. Treatment of division by zero, forming a remainde...
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You can't specify target table for update in FROM clause

... absolutely fine. DELETE FROM t WHERE tableID NOT IN (SELECT viewID FROM t_view); Also I recommend running OPTIMIZE TABLE t; afterwards to reduce the size of the table. – CodeX Oct 13 '16 at 11:36 ...
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Merge two Git repositories without breaking file history

...ose instructions mostly works, except that when I commit the subtree merge all of the files from the old repositories are recorded as new added files. I can see the commit history from the old repositories when I do git log , but if I do git log <file> it shows only one commit for that fil...