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MySQL - SELECT WHERE field IN (subquery) - Extremely slow why?
...ld must be in the select, because otherwise the having clause will give an error, but I'm not 100% sure
Never use IN with a subquery; this is notoriously slow.
Only ever use IN with a fixed list of values.
More tips
If you want to make queries faster,
don't do a SELECT * only select
the field...
Formatting a float to 2 decimal places
...rpolated strings. I'm actually posting this because I'm tired of trial and error and eventually scrolling through tons of docs every time I need to format some scalar.
$"{1234.5678:0.00}" "1234.57" 2 decimal places, notice that value is rounded
$"{1234.5678,10:0.00}" " 1234.57" ...
Triggering HTML5 Form Validation
...uite annoying, I assume you have a better solution for notifying about the errors. Here's a working example of my code above.
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How to remove \xa0 from string in Python?
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When I try this, I get UnicodeDecodeError: 'ascii' codec can't decode byte 0xa0 in position 397: ordinal not in range(128).
– gwg
May 28 '15 at 22:15
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Concat scripts in order with Gulp
... = require('gulp');
var concat = require('gulp-concat');
var handleErrors = require('../util/handleErrors');
var streamqueue = require('streamqueue');
gulp.task('scripts', function() {
return streamqueue({ objectMode: true },
gulp.src('./public/angular/config/*.js'),
gu...
How can I get clickable hyperlinks in AlertDialog from a string resource?
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Then, I'm getting error Calling startActivity() from outside of an Activity context requires the FLAG_ACTIVITY_NEW_TASK flag. Is this really what you want?
– ViliusK
Dec 8 '16 at 13:08
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How do you stop tracking a remote branch in Git?
...ill still try to push that branch (which could give you a non-fast-forward error as it did for ruffin). This is because the config push.default defaults to matching which means:
matching - push all matching branches. All branches having the same name in both ends are considered to be matching. T...
How to send email attachments?
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best answer for me but there is a small error: replace import pathlibwith from pathlib import Path
– AleAve81
Apr 29 at 20:38
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How do you clear Apache Maven's cache?
...t the network. Delete what you see locally.
And for good measure, ignore errors (--fail-at-end) till the very end. This is sometimes useful for projects that have a somewhat messed up set of dependencies or rely on a somewhat messed up internal repository (it happens.)
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How to send and retrieve parameters using $state.go toParams and $stateParams?
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I was getting an error saying "Missing required parameter" when I listed the params as an array in the state definition. Instead, list them as a hash like {referer: true, param2: true, etc: true}
– Dave Ceddia
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