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How to pass the value of a variable to the stdin of a command?

...that the first line(s) will be the contents of $var but the rest will come from cat reading its standard input. If the command does not do anything too fancy (try to turn on command line editing, or run like vim does) then it will be fine. Otherwise, you need to get really fancy - I think expect o...
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Can an ASP.NET MVC controller return an Image?

...ass a file name (path) like this means they could potentially access files from anywhere on the server. Might want to warn people not to use it as-is. – Ian Mercer Jan 28 '11 at 7:53 ...
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Text overflow ellipsis on two lines

...of me, that it requires a strong moral principle to prevent me from deliberately stepping into the street, and methodically knocking people's hats off – then, I account it high time to get to sea as soon as I can. </p> </div> </div>...
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How do I write data into CSV format as string (not file)?

... since i use this quite a lot to stream results asynchronously from sanic back to the user as csv data i wrote the following snippet for Python 3. The snippet lets you reuse the same StringIo buffer over and over again. import csv from io import StringIO class ArgsToCsv: def __i...
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What is the difference between instanceof and Class.isAssignableFrom(…)?

..., you need to know the class of B at compile time. When using isAssignableFrom() it can be dynamic and change during runtime. share | improve this answer | follow ...
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Algorithm for Determining Tic Tac Toe Game Over

... the pieces in the corresponding row, column, or diagonal, where A piece from player A has value (1,0) A piece from player B has value (0,1) When a player places a piece, update the corresponding row pair, column pair, and diagonal pairs (if on the diagonals). If any newly updated row, column, o...
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jQuery Event Keypress: Which key was pressed?

...d of these magic numbers. You can also make use of String.charCodeAt and .fromCharCode: >>> String.charCodeAt('\r') == 13 true >>> String.fromCharCode(13) == '\r' true share | i...
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Is it possible to implement a Python for range loop without an iterator variable?

... I understand now. The difference comes from the GC overhead, not from the "algorithm". By the way, I run a quick timeit benchmark and the speedup was ~1.42x. – Cristian Ciupitu Sep 27 '09 at 0:28 ...
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Run git pull over all subdirectories [duplicate]

How can I update multiple git repositories from their shared parent's directory without cd 'ing into each repo's root directory? I have the following which are all separate git repositories ( not submodules): ...
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How do I calculate someone's age in Java?

... @HoàngLong: From the JavaDocs: "This class does not represent a day, but the millisecond instant at midnight. If you need a class that represents the whole day, then an Interval or a LocalDate may be more suitable." We really do want to ...