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Catching error codes in a shell pipe
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@n2liquid-GuilhermeVieira Btw, by "different variations", I specifically meant, remove one or both of the set (for 4 different versions total), and see how that affects the output of the last echo.
– hyde
Nov 1 '14 at...
'Incomplete final line' warning when trying to read a .csv file into R
...ck of a final EOL. There's no way that in your case the warning was thrown by the function readTableHeader, because that one doesn't read the final line. Hence your problem is not the same as that of the OP.
– Joris Meys
May 1 at 11:31
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Are the PUT, DELETE, HEAD, etc methods available in most web browsers?
...est methods. A workaround for this is to tunnel other methods through POST by using a hidden form field which is read by the server and the request dispatched accordingly.
However, GET, POST, PUT and DELETE are supported by the implementations of XMLHttpRequest (i.e. AJAX calls) in all the major we...
Is sizeof(bool) defined in the C++ language standard?
...oes the C++ language standard require sizeof(bool) to always be 1 (for 1 byte), or is this size implementation-defined?
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What is a 'semantic predicate' in ANTLR?
...r
Let's say you have a block of text consisting of only numbers separated by
comma's, ignoring any white spaces. You would like to parse this input making
sure that the numbers are at most 3 digits "long" (at most 999). The following
grammar (Numbers.g) would do such a thing:
grammar Numbers;
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Using multiple arguments for string formatting in Python (e.g., '%s … %s')
...answered Aug 3 '10 at 9:27
Mark ByersMark Byers
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Is it possible to animate scrollTop with jQuery?
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body is used by webkit, html is used by firefox.
– Jory
Apr 1 '14 at 17:15
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Check if two linked lists merge. If so, where?
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If
by "modification is not allowed" it was meant "you may change but in the end they should be restored", and
we could iterate the lists exactly twice
the following algorithm would be the solution.
First, the numbers. Assume...
read subprocess stdout line by line
...lows iterating over both stdout and stderr concurrently, in realtime, line by line
In case you need to get the output stream for both stdout and stderr at the same time, you can use the following function.
The function uses Queues to merge both Popen pipes into a single iterator.
Here we create t...
Is there any difference between the `:key => “value”` and `key: “value”` hash notations?
...difference between :key => "value" (hashrocket) and key: "value" (Ruby 1.9) notations?
5 Answers
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