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How to remove the lines which appear on file B from another file A?
...his from me too. This awk takes all of 1 second to process a file with 104,000 entries :+1:
– MitchellK
Jun 3 '19 at 10:34
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application/x-www-form-urlencoded or multipart/form-data?
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edited Dec 28 '18 at 22:11
Cristian Ciupitu
17.3k77 gold badges4646 silver badges6868 bronze badges
an...
Best approach to remove time part of datetime in SQL Server
...erately within datetime2, year 0218
DECLARE @datetime2epoch datetime2 = '19000101'
select DATEADD(dd, DATEDIFF(dd, @datetime2epoch, @datetime2value), @datetime2epoch)
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Disabling swap files creation in vim
...data maybe 5 times. But I have been hassled to recover a swapfile about 9,000 times, which is invariably identical to the file anyway, or worse an out-of-date version. It might be a good feature if the recovery process didn't suck so terribly. recover.vim helps a little, but is still too interact...
Distributed sequence number generation?
...d that to the sequence number.
For example, node 1 generates sequence 001-00001 001-00002 001-00003 etc. and node 5 generates 005-00001 005-00002
Unique :-)
Alternately if you want some sort of a centralized system, you could consider having your sequence server give out in blocks. This reduces ...
How can I remove duplicate rows?
... to remove duplicate rows from a fairly large SQL Server table (i.e. 300,000+ rows)?
38 Answers
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problem with and :after with CSS in WebKit
...ing: border-box;
width: 100%;
padding: 10px 20px;
background: #000;
color: #fff;
border: none;
-webkit-appearance: none;
-moz-appearance: none;
appearance: none;
}
select::-ms-expand {
display: none;
}
I have used FontAwesome.io for my new arrow, but you can us...
Is it possible to set transparency in CSS3 box-shadow?
...olor: red;
margin: 10px;
}
div.a {
box-shadow: 10px 10px 10px #000;
}
div.b {
box-shadow: 10px 10px 10px rgba(0, 0, 0, 0.5);
}
<div class="a">100% black shadow</div>
<div class="b">50% black shadow</div>
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IRXmitter红外发射器扩展 · App Inventor 2 中文网
...或获取要使用的载波频率，单位为赫兹(Hz)。默认值为38,000（38 kHz）。只能设置CarrierFrequencies或CarrierFrequencyList显示的值。如果指定了不支持的值，会触发Screen.ErrorOccurred事件，错误代码17302。
启动延迟
在自动重复模式下，Start...
Howto: Clean a mysql InnoDB storage engine?
...me figure out a solution to my problem when I was getting an ERROR 2013 (HY000) when importing a 154g db. Thanks for the excellent answer!
– Josh Brown
Apr 26 '14 at 0:32
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