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How to delete and replace last line in the terminal using bash?
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echo a carriage return with \r
seq 1 1000000 | while read i; do echo -en "\r$i"; done
from man echo:
-n do not output the trailing newline
-e enable interpretation of backslash escapes
\r carriage return
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Rendering HTML inside textarea
...ditable="true"></div>
jsFiddle
div.editable {
width: 300px;
height: 200px;
border: 1px solid #ccc;
padding: 5px;
}
strong {
font-weight: bold;
}
<div contenteditable="true">This is the first line.<br>
See, how the text fits here, also if<b...
When to use AtomicReference in Java?
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edited Nov 13 '19 at 7:10
Basil Bourque
186k5757 gold badges571571 silver badges804804 bronze badges
a...
NTFS performance and large volumes of files and directories
...ch the old.
To answer your question more directly: If you're looking at 100K entries, no worries. Go knock yourself out. If you're looking at tens of millions of entries, then either:
a) Make plans to sub-divide them into sub-folders (e.g., lets say you have 100M files. It's better to store them ...
Check if a temporary table exists and delete if it exists before creating a temporary table
...understanding the problem.
The following works fine for me in SQL Server 2005, with the extra "foo" column appearing in the second select result:
IF OBJECT_ID('tempdb..#Results') IS NOT NULL DROP TABLE #Results
GO
CREATE TABLE #Results ( Company CHAR(3), StepId TINYINT, FieldId TINYINT )
GO
select...
How to check if a string is a valid date
I have a string: "31-02-2010" and want to check whether or not it is a valid date.
What is the best way to do it?
14 Answ...
How to print to console when using Qt
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206
If it is good enough to print to stderr, you can use the following streams originally intended ...
node and Error: EMFILE, too many open files
...with sockets.)
From My Blog Article: http://www.blakerobertson.com/devlog/2014/1/11/how-to-determine-whats-causing-error-connect-emfile-nodejs.html
How To Isolate
This command will output the number of open handles for nodejs processes:
lsof -i -n -P | grep nodejs
COMMAND PID USER FD TYP...
Check if object is a jQuery object
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answered Dec 5 '09 at 19:48
Crescent FreshCrescent Fresh
105k2323 gold badges149149 silver badges138138 bronze badges
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getActivity() returns null in Fragment function
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Milad Faridnia
7,4201111 gold badges6060 silver badges6767 bronze badges
answered Jun 3 '11 at 9:03
PJLPJL
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