大约有 48,000 项符合查询结果（耗时：0.1019秒） [XML]
How does one output bold text in Bash?
...ght sequences to send to the terminal:
bold=$(tput bold)
normal=$(tput sgr0)
then you can use the variables $bold and $normal to format things:
echo "this is ${bold}bold${normal} but this isn't"
gives
this is bold but this isn't
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Homebrew: List only installed top level formulas
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+50
Use brew leaves: show installed formulae that are not dependencies of another installed formula.
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@try - catch block in Objective-C
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Nov 29 '12 at 2:23
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What are the GCC default include directories?
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edited Oct 8 '18 at 11:00
Edwin Pratt
59566 silver badges1818 bronze badges
answered Jul 12 '11 at 15...
How do I explicitly specify a Model's table-name mapping in Rails?
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ZabbaZabba
58.5k4040 gold badges169169 silver badges198198 bronze badges
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Difference between float and decimal data type
...I found when I had this doubt.
mysql> create table numbers (a decimal(10,2), b float);
mysql> insert into numbers values (100, 100);
mysql> select @a := (a/3), @b := (b/3), @a * 3, @b * 3 from numbers \G
*************************** 1. row ***************************
@a := (a/3): 33.33333...
How do I ALTER a PostgreSQL table and make a column unique?
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edited May 23 '17 at 12:02
Community♦
111 silver badge
answered Jan 22 '09 at 15:22
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Regex to match any character including new lines
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201
Add the s modifier to your regex to cause . to match newlines:
$string =~ /(START)(.+?)(END)/s...
Centering the pagination in bootstrap
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Bootstrap has added a new class from 3.0.
<div class="text-center">
<ul class="pagination">
<li><a href="?p=0" data-original-title="" title="">1</a></li>
<li><a href="?p=1" data-original-title="" t...
Add 2 hours to current time in MySQL?
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edited Aug 20 '13 at 7:23
answered Feb 26 '09 at 8:41
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