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How can I use UUIDs in SQLAlchemy?
...I totally agree with you. Some of the other answers are cool for other databases, but for postgres this is the cleanest solution. (You can also set a default as uuid.uuid4).
– pacha
Apr 10 '18 at 16:38
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vs.
...w-pane" frameborder="0" height="352" width="396" src="data:application/pdf;base64, ..DATAURLHERE!... "></iframe>
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What is a reasonable length limit on person “Name” fields?
...e Marguerite LaFleche" (39-bytes-length).
– user1154664
Nov 3 '12 at 20:51
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Where can I set environment variables that crontab will use?
...environment -- not done by cron (usually switches HOME)
. $HOME/.cronfile
base=`basename $0`
cmd=${REAL_HOME:-/real/home}/bin/$base
if [ ! -x $cmd ]
then cmd=${HOME}/bin/$base
fi
exec $cmd ${@:+"$@"}
(Written using an older coding standard - nowadays, I'd use a shebang '#!' at the start.)
The ...
Command-line Tool to find Java Heap Size and Memory Used (Linux)?
...ample output of the VM overview mode:
JvmTop 0.3 alpha (expect bugs) amd64 8 cpus, Linux 2.6.32-27, load avg 0.12
http://code.google.com/p/jvmtop
PID MAIN-CLASS HPCUR HPMAX NHCUR NHMAX CPU GC VM USERNAME #T DL
3370 rapperSimpleApp 165m 455m 109m 176m 0.12% 0.00% S6U37...
Clear file cache to repeat performance testing
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Works perfectly for me under Windows 7 SP1, x64. Great tip!
– cxxl
Oct 22 '12 at 16:26
2
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How do you delete a column by name in data.table?
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@user3969377 if you want to remove a column based on the contents of a character variable you'd simply wrap it in parenthesis. Ie. df[,(afoo):=NULL]
– Dean MacGregor
Jul 9 '15 at 19:26
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Script entire database SQL-Server
...y I can get a scripting of all tables, procs, and other objects from a database? I know there's an option to script the database but it only gave me some sort of top level script, certainly not a script to create all tables, procs, udfs, .etc.
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Support for “border-radius” in IE
...t, allowing you to serve different style definitions to different browsers based on their capabilities.
Obviously, these both add more overhead, but with IE9 due to only run on Vista/7 we might be stuck for quite awhile. As of August 2010 Windows XP still accounts for 48% of web client OSes.
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Import regular CSS file in SCSS file?
...NOTE:
It appears this isn't working for everybody. If your interpreter is based on libsass it should be working fine (checkout this). I've tested using @import on node-sass and it's working fine. Unfortunately this works and doesn't work on some ruby instances.
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