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What is the difference between the remap, noremap, nnoremap and vnoremap mapping commands in Vim?

What is the difference between the remap , noremap , nnoremap and vnoremap mapping commands in Vim? 3 Answers ...
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Vim: How to insert in visual block mode?

...t+i or capital I. Lowercase i will not work. Then type the things you want and finally to apply it to all lines, press Esc twice. If this doesn't work... Check if you have +visualextra enabled in your version of Vim. You can do this by typing in :ver and scrolling through the list of features. (Y...
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Is PHP's count() function O(1) or O(n) for arrays?

...unt the all the elements of a PHP array, or is this value cached somewhere and just gets retrieved? 3 Answers ...
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Why does MYSQL higher LIMIT offset slow the query down?

...down, since the query needs to count off the first OFFSET + LIMIT records (and take only LIMIT of them). The higher is this value, the longer the query runs. The query cannot go right to OFFSET because, first, the records can be of different length, and, second, there can be gaps from deleted recor...
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How to unstash only certain files?

... As mentioned below, and detailed in "How would I extract a single file (or changes to a file) from a git stash?", you can apply use git checkout or git show to restore a specific file. git checkout stash@{0} -- <filename> With Git 2.23+ (...
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Set margin size when converting from Markdown to PDF with pandoc

I have created an RMarkdown file in RStudio and managed to knit it with knitr into an HTML and .md file. Next, I used pandoc to convert the .md file into a PDF file (I get an error if I try and convert from the .html file). However, the PDF that is produced have massive margins (like this http://...
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Is the != check thread safe?

... edited Apr 15 '16 at 12:57 Andrew Tobilko 42.5k1111 gold badges6666 silver badges119119 bronze badges answered Aug 27 '13 at 8:35 ...
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Generate .pem file used to set up Apple Push Notifications

I tried and tried to generate a .pem file, every time generating certificates from the client's account and then generating the .pem file using the terminal, but it's of no use. Can anyone give a step-by-step procedure? ...
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SQL WHERE.. IN clause multiple columns

... You can make a derived table from the subquery, and join table1 to this derived table: select * from table1 LEFT JOIN ( Select CM_PLAN_ID, Individual_ID From CRM_VCM_CURRENT_LEAD_STATUS Where Lead_Key = :_Lead_Key ) table2 ON table1.CM_PLAN_ID=table2.CM_PLAN...
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Creating a daemon in Linux

In Linux I want to add a daemon that cannot be stopped and which monitors filesystem changes. If any changes are detected, it should write the path to the console where it was started plus a newline. ...