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When should I use ugettext_lazy?
I have a question about using ugettext and ugettext_lazy for translations.
I learned that in models I should use ugettext_lazy , while in views ugettext.
But are there any other places, where I should use ugettext_lazy too? What about form definitions?
Are there any performance diffrences betwe...
PostgreSQL disable more output
...t, run it with -q or set QUIET=1 in the environment.
To produce results and throw them away you can redirect stdout to /dev/null with:
psql db -f sql.sql >/dev/null
You can redirect both stdout and stderr with:
psql db -f sql.sql >&/dev/null
but I don't recommend that, as it'll th...
Tracking the script execution time in PHP
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On unixoid systems (and in php 7+ on Windows as well), you can use getrusage, like:
// Script start
$rustart = getrusage();
// Code ...
// Script end
function rutime($ru, $rus, $index) {
return ($ru["ru_$index.tv_sec"]*1000 + intval($ru["...
Update or Insert (multiple rows and columns) from subquery in PostgreSQL
... postfix: "",
imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9....
How to make Regular expression into non-greedy?
...'m using jQuery. I have a string with a block of special characters (begin and end). I want get the text from that special characters block. I used a regular expression object for in-string finding. But how can I tell jQuery to find multiple results when have two special character or more?
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How to get the first element of the List or Set? [duplicate]
... for most implementations of Set. This may have meaning for LinkedHashSet and TreeSet, but not for HashSet.)
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SQLite INSERT - ON DUPLICATE KEY UPDATE (UPSERT)
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@Smith I meant using plain UPDATE and INSERT statements and checking return value.
– codeholic
Nov 17 '13 at 14:47
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When to use ko.utils.unwrapObservable?
...bles, so you may check up front (ko.isObservable) that it is an observable and then you would be free to unwrap it with (). If you are receiving an object that may have nested observables, then you are better off doing a ko.toJS(yourObject) rather than using ko.utils.unwrapObservable, if you are tr...
Is it possible to listen to a “style change” event?
...back function is a MutationRecord object that lets you get hold of the old and new style values.
Support is good in modern browsers including IE 11+.
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How to set 'auto' for upper limit, but keep a fixed lower limit with matplotlib.pyplot
...t to keep the lower limit of the y-axis to always be zero. I tried 'auto' and 'autorange', but those don't seem to work. Thank you in advance.
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