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Database sharding vs partitioning
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0.4 Million rows(table1), 0.6 million rows(table2)
1 Million rows & 60 columns(table1) and 1 Million rows & 40 columns(table2)
There could be multiple cases like that
This is general partitioning
But Sharding refer to 1st case only where we are dividing the data on the basis of rows. If...
Escaping quotes and double quotes
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Escaping parameters like that is usually source of frustration and feels a lot like a time wast...
Most efficient method to groupby on an array of objects
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Although the linq answer is interesting, it's also quite heavy-weight. My approach is somewhat...
How do I measure execution time of a command on the Windows command line?
... ms = 100%ms%
if %secs% lss 0 set /a mins = %mins% - 1 & set /a secs = 60%secs%
if %mins% lss 0 set /a hours = %hours% - 1 & set /a mins = 60%mins%
if %hours% lss 0 set /a hours = 24%hours%
if 1%ms% lss 100 set ms=0%ms%
:: Mission accomplished
set /a totalsecs = %hours%*3600 + %mins%*60 + %...
Equivalent to 'app.config' for a library (DLL)
...w Wizard is Ear For YouShadow Wizard is Ear For You
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How to make vim paste from (and copy to) system's clipboard?
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An emphasis: you need to install the vim-gtk package (under Debian, at least), to get vim that is compiled with +xterm_clipboard. Took me 4...
How to create a loop in bash that is waiting for a webserver to respond?
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On second thoughts, forever is a long time...for i in seq 60; do httping -qc1 http://myhost:myport && echo && break sleep 5 echo -n ${i}.. done
– Bruce Edge
Apr 3 '15 at 17:22
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upstream sent too big header while reading response header from upstream
... amdamd
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Fast way to get image dimensions (not filesize)
... does depend on the file type and file size slightly, but I was getting 20-60 KB read by "identify" for 5-335 MB images (I also tested against "convert" which showed all bytes being read). So it looks like "identify" is a good choice here (since it supports all popular formats and reads just the hea...
How to set host_key_checking=false in ansible inventory file?
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[ssh_connection]
ssh_args = -C -o ControlMaster=auto -o ControlPersist=60s -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no
tested with ansible 2.9.6 in ubuntu 20.04
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