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How to get the full url in Express?
...ay or may not be the correct value as compared to req.url.
Combine those all together to reconstruct the absolute URL.
var fullUrl = req.protocol + '://' + req.get('host') + req.originalUrl;
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Extracting bits with a single multiplication
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A multiplication is a bunch of shift-and-add operations. The key is to allow overflow to "shift away" the bits we don't need and put the ones we want in the right place.
Multiplication by 4 (00000100) would shift everything left by 2 and get you to a00b0000 . To get the b to move up we need to...
Inserting multiple rows in mysql
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When loading a table from a text file, use LOAD DATA INFILE. This is usually 20 times faster than using INSERT statements.
Optimizing INSERT Statements
You can find more tips on how to speed up your insert statements on the link above.
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jQuery text() and newlines
...es/w/whitespace/
P.S. Until CSS3 become common you'd probably need to manually trim off initial and/or trailing white-spaces.
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Will the Garbage Collector call IDisposable.Dispose for me?
...lizer, and implement IDisposable, that your finalizer needs to explicitly call Dispose.
This is logical, and is what I've always done in the rare situations where a finalizer is warranted.
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How to add a progress bar to a shell script?
...}
done
If you already have a loop which does a lot of work, you can call the
following function at the beginning of each iteration to update the
spinner:
sp="/-\|"
sc=0
spin() {
printf "\b${sp:sc++:1}"
((sc==${#sp})) && sc=0
}
endspin() {
printf "\r%s\n" "$@"
}
until wor...
Positioning MKMapView to show multiple annotations at once
...tations I want to add to my MKMapView (it could 0-n items, where n is generally around 5). I can add the annotations fine, but I want to resize the map to fit all annotations onscreen at once, and I'm not sure how to do this.
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WPF Blurry fonts issue- Solutions
...ems to make the font heavier
Playing around with these settings didn't really improve the underlying problem, but can help by reducing the color bleeding effect for sensitive users.
Another approach
The best advice the Text Clarity article gave was increasing the font size and changing the font....
Twitter Bootstrap 3: how to use media queries?
...electors used in BS4. There is no "lowest" setting in BS4 because "extra small" is the default. I.e. you would first code the XS size and then have these media overrides afterwards.
@media(min-width:576px){}
@media(min-width:768px){}
@media(min-width:992px){}
@media(min-width:1200px){}
Update 201...
What does the regular expression /_/g mean?
...egex matches the _ character.
The g means Global, and causes the replace call to replace all matches, not just the first one.
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