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sed command with -i option (in-place editing) works fine on Ubuntu but not Mac [duplicate]

...o the the Sed script (command) - is now interpreted as the suffix, and the word file is interpreted as the script. Interpreting such a word as script then leads to obscure error message such as sed: 1: "file": invalid command code f, because the f is interpreted as a Sed command (function). Similar...
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Difference between single and double quotes in Bash

... This was a short concise answer in my opinion without being overly wordy that was easy for me to comprehend. When saying translation/transformation they are meaning double quotes will expandthe variable where single quotes will not expand the variable. – B_e_n_n_y_ ...
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Practical non-image based CAPTCHA approaches?

...them. You could do trivia questions in the same way ReCaptcha does printed words. It offers two words, one of which it knows the answer to, another which it doesn't - after enough answers on the second, it now knows the answer to that too. Ask two trivia questions: A woman needs a man like a fish ...
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C++ : why bool is 8 bits long?

...lly the 8bits byte). Access to memory is always in "chunks" (multiple of words, this is for efficiency at the hardware level, bus transactions): a boolean bit cannot be addressed "alone" in most CPU systems. Of course, once the data is contained in a register, there are often specialized instructi...
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What is the difference between Scrum and Agile Development? [closed]

...ing Scrum. Fun fact: If you search the Scrum Guide, it doesn't mention the word "software" once. – Nick Clark Jan 17 '17 at 12:06 add a comment  |  ...
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Remove unwanted parts from strings in a column

...tring functions are inherently hard to vectorize (in the true sense of the word), so most string and regex functions are only wrappers around loops with more overhead. My write-up, Are for-loops in pandas really bad? When should I care?, goes into greater detail. The str.replace option can be re-w...
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Why do we need to install gulp globally and locally?

... Said in other words your globally installed gulp package is needed for putting node_modules/.bin/gulp in path. Storage is cheap but throwing away MB for simulating a symlink is IMO pure sloppiness. – ntd ...
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Set Matplotlib colorbar size to match graph

...ce between colorbar and plot) changes with the width of the plot. In other words, the aspect ratio of the colorbar is not fixed anymore. To get both the right height and a given aspect ratio, you have to dig a bit deeper into the mysterious axes_grid1 module. import matplotlib.pyplot as plt from m...
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How can I custom-format the Autocomplete plug-in results?

...lue;'>" + "$&" + "</span>"); In other words, starting from the original code above, you just need to replace this.term with "$&". EDIT The above changes every autocomplete widget on the page. If you want to change only one, see this question: How to patch ...
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What is duck typing?

...e a grenade still in your hand, it's gonna blow up in your face. In other words, we are interested in what the object can do, rather than with what the object is. Example: statically typed languages If we were concerned with what the object actually was, then our magic trick will work only on pre...