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How to extract one column of a csv file
...ld Separator), which is what the shell uses to know what separates fields (blocks of text). So saying IFS=, is like saying "a,b" is the same as "a b" would be if the IFS=" " (which is what it is by default.)
read -a csv_line; - this is saying read in each line, one at a time and create an array whe...
Express.js: how to get remote client address
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Welcome to Stack Overflow! Rather than only post a block of code, please explain why this code solves the problem posed. Without an explanation, this is not an answer.
– Artemix
Aug 28 '13 at 7:50
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Is there common street addresses database design for all addresses of the world? [closed]
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Asian addresses are notorious for this as well. "73rd Block West Ninjang St, Building 2, Take Second Upper Elevator, Office complex beside food court, 468th Industrial District, Shanghai 456789"...
– ruhnet
May 18 '18 at 15:37
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In Vim, how do I delete everything within the double quotes?
...un: See if da" does what you want. The mnemonic would be "delete a quote[block]". It deletes from quote to quote plus, I believe, any whitespace after the closing quote.
– Herbert Sitz
Apr 24 '11 at 15:15
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How do I add a linker or compile flag in a CMake file?
...compiler/linker flags in your CMakeLists.txt files -- even within if/endif blocks. And your program should build for the native platform with the default toolchain (e.g. GCC on GNU/Linux or MSVC on Windows) without any additional flags.
Steps to add a toolchain:
Create a file, e.g. arm-linux-androi...
Text overflow ellipsis on two lines
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Use this if above is not working
display: block;
display: -webkit-box;
max-width: 100%;
margin: 0 auto;
-webkit-line-clamp: 2;
/* autoprefixer: off */
-webkit-box-orient: vertical;
/* autoprefixer: on */
overflow: hidden;
text-overflow: ellipsis;
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滑动菜单使用指导 · App Inventor 2 中文网
...g:hover { color: #3773f5 } .feedback-pop .feedback-img { display: inline-block; width: 24px; height: 24px; margin-bottom: 4px; background: url(/static/images/feedback.svg) 50% / 100% auto no-repeat; } /*手机版：反馈浮动按钮收小*/ @media screen and (max-width: 700px) { .feedback-po...
Show the progress of a Python multiprocessing pool imap_unordered call?
...ose()
This should work with all flavors of multiprocessing, whether they block or not.
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How can you iterate over the elements of an std::tuple?
...s that aren't legal in a comma-expression (such as declaring variables and blocks), you can put all of that into a method and simply call it from within the folded-comma-expression.
– Miral
Feb 27 at 7:00
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Add UIPickerView & a Button in Action sheet - How?
...wrapping the setBounds message sent to the actionSheet inside an animation block. This will make the entrance of the actionSheet appear smoother.
UIActionSheet *actionSheet = [[[UIActionSheet alloc] initWithTitle:nil delegate:nil cancelButtonTitle:nil destructiveButtonTitle:nil otherButtonTitles:n...