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Why does JQuery have dollar signs everywhere?

... one of my projects and searched for $, I used 54 $ in a single javascript file. $ is a byte. jQuery is 6 bytes. The difference is huge 54 * 5 = 220 bytes. share | improve this answer | ...
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How to get a value from a cell of a dataframe?

...ndex/columns (note at/iat raises an exception with duplicate columns, will file an issue). – Andy Hayden Feb 6 '17 at 19:30 1 ...
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Create timestamp variable in bash script

...readable than UNIX timestamp. However on some OSs you cannot have : in the filenames. Therefore I recommend using something like this instead: 2018-12-23_12-34-56 You can use the following command to get the timestamp in this format: TIMESTAMP=`date +%Y-%m-%d_%H-%M-%S` This is the format I hav...
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Finding ALL duplicate rows, including “elements with smaller subscripts”

...ast=TRUE and take the rows where either are TRUE. Some late Edit: You didn't provide a reproducible example, so here's an illustration kindly contributed by @jbaums vec <- c("a", "b", "c","c","c") vec[duplicated(vec) | duplicated(vec, fromLast=TRUE)] ## [1] "c" "c" "c" Edit: And an exam...
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How to make tinymce paste in plain text by default

...on, but this actually mean that I've to remember to edit the configuration file every time the plugins got updated? – Mike Jan 16 '18 at 13:06 add a comment ...
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How do I fit an image (img) inside a div and keep the aspect ratio?

I have a 48x48 div and inside it there is an img element, I want to fit it into the div without losing any part, in the mean time the ratio is kept, is it achievable using html and css? ...
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Can I change the color of Font Awesome's icon color?

.../edit"><i class="icon-cog" style="color:black"></i> Edit profile</a> share | improve this answer | follow | ...
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How to detect first time app launch on an iPhone

...k to see if it exists. If not, it's the first time. "Something" can be a file, a database entry, a setting in user defaults.... share | improve this answer | follow ...
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Is there a shortcut in Eclipse to Re-run the most recently launched program?

...nd debugging applications has been simplified to run or debug the selected file or active editor. When the selected resource (or active editor) is not executable, users can opt to launch the associated project or re-launch the previous launch. These settings are managed on the Run/Debug >...
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Why is there no Convert.toFloat() method?

...ype. "Single" is the name for a float in the BCL. "float" is an alias provided by C#. There's a Convert.ToSingle() method, just like there's Convert.ToInt32() instead of Convert.ToInt(). See this thread Convert class (BTW - I didn't know this either, so I learned something new today :) ) ...