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MongoDB: Combine data from multiple collections into one..how?
...
Thanks @rmarscher your extra details really helped me to better understand everything.
– benstr
Nov 10 '14 at 21:29
5
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How do I call ::std::make_shared on a class with only protected or private constructors?
...and doesn't require a derived class:
#include <memory>
#include <string>
class A {
protected:
struct this_is_private;
public:
explicit A(const this_is_private &) {}
A(const this_is_private &, ::std::string, int) {}
template <typename... T>
static ::std:...
Select elements by attribute in CSS
...r values with CSS only..
Attributes selectors allows you play around some extra with id and class attributes
Here is an awesome read on Attribute Selectors
Fiddle
a[href="http://aamirshahzad.net"][title="Aamir"] {
color: green;
text-decoration: none;
}
a[id*="google"] {
color: r...
Positioning MKMapView to show multiple annotations at once
...oord.longitude - topLeftCoord.longitude) * 0.5;
// Add a little extra space on the sides
region.span.latitudeDelta = fabs(topLeftCoord.latitude - bottomRightCoord.latitude) * 1.1;
region.span.longitudeDelta = fabs(bottomRightCoord.longitude - topLeftCoord.longitude) * 1.1;
r...
Generate UML Class Diagram from Java Project [closed]
... sucks. Hard. Instructions want users to prefix all properties with an 'f' char to sniff them. It is destructive, too, and adds a bunch of its own comments to ALL class files. Also, instructions are non-intuitive. If someone can refute my experience (based on the current version in Kepler), please d...
How to reference a file for variables using Bash?
...ext as a single parameter with space to my cntpars function. There was one extra level of evaluation required. If I wouldn't do this, as in Option 2, I would have passed 2 parameters as follows:
"value
content"
Double quoting during command execution causes the double quotes from the parameter f...
Literal suffix for byte in .NET?
...t
does 0xFFB mean?) and even if we had a solution for that, or another
character than 'B' ('Y' was considered, F# uses this) no one could
remember whether the default was signed or unsigned - .NET bytes are
unsigned by default so it would make sense to pick B and SB but all
the other suffi...
Add only non-whitespace changes
...l - its only special characters are ", \, \n, and ; (outside of a "-quoted string). This is why a " must always be escaped, even if it looks like it's inside a single-quoted string (which git is completely agnostic about).
This is important, eg. if you have a handy alias to execute a bash command i...
How to justify a single flexbox item (override justify-content)
... ( the one with display:flex ) to justify-content:space-around
Then add an extra element between the first and second item and set it to flex-grow:10 (or some other value that works with your setup)
Edit: if the items are tightly aligned it's a good idea to add flex-shrink: 10; to the extra element...
“Find next” in Vim
... multiple instances of your pattern. You might even want make your matches extra bright with something like:
hi Search ctermfg=yellow ctermbg=red guifg=...
But then you might go crazy with constant yellow matches all over your screen. So you’ll often find yourself using :noh. This is so common ...