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How to combine two or more querysets in a Django view?
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If merging querysets from the same table to perform an OR query, and have duplicated rows you can eliminate them with the groupby function: from itertools import groupby unique_results = [rows.next() for (key, rows) in groupby(result_list, key=lambda obj: obj...
how to customize `show processlist` in mysql?
...ou can ORDER BY in any way you like.
The INFORMATION_SCHEMA.PROCESSLIST table was added in MySQL 5.1.7. You can find out which version you're using with:
SELECT VERSION()
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How do I compare strings in Java?
..." String objects to save memory footprint as String is known for being immutable (I hope, I say it correctly here). Also check stackoverflow.com/questions/3052442/…
– Roland
Nov 10 '17 at 13:34
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Landscape printing from HTML
...ore fluid. If you really can't
(perhaps because the document contains
data tables with many columns, for
example), you will need to advise the
user to set the orientation to
Landscape and perhaps outline how to
do it in the most common browsers. Of
course, some browsers have a print
fit-to-width (sh...
Using Caps Lock as Esc in Mac OS X
...ing bugs.
Here's a screenshot to show a few of the (hundreds of) pre-selectable options:
PQRS also has a great utility called NoEjectDelay that you can use in combination with KeyRemap4MacBook for reprogramming the Eject key. After a little tweaking I have mine set to toggle the AirPort Wifi.
T...
Intelligent point label placement in R
...cates, and I think solutions involving hand-labeling deserve a seat at the table, that's all.
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How to export a Vagrant virtual machine to transfer it
...ng was working but without data on the databases. So I did a mysqldump all-tables from the Computer 1 and upload them to Computer 2.
OTHER NOTES:
My virtual machine is not exactly on Computer 1 and Computer 2. For example, I made some time ago internal configuration to use NFS (to speed up the serv...
Determine a user's timezone
...e is running.
Supported environments are listed in the Intl compatibility table. Expand the DateTimeFormat section, and look at the feature named resolvedOptions().timeZone defaults to the host environment.
Some libraries, such as Luxon use this API to determine the time zone through functions li...
Creating multiline strings in JavaScript
... in IE11, Firefox 31, Chrome 35, or Safari 7. See kangax.github.io/compat-table/es6
– EricP
May 24 '14 at 2:41
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How do I insert datetime value into a SQLite database?
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Although not listed in the table the docs also state that you may add 'Z' or offsets such as '-0400'
– coolaj86
Jul 2 '14 at 5:59
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