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What regular expression will match valid international phone numbers?
...nal phone input fields require anyway). Plus it's a one-liner fix, and way more readable. This approach would also ensure that all phone numbers are in the same format, and makes your validation much less error-prone, thus making the whole thing more maintainable.
– milosmns
...
vim, switching between files rapidly using vanilla Vim (no plugins)
...u can be just as productive without it. And for a fraction of the cost.
MORE EDIT
A couple of additional tips/tricks…
Wildmenu options
The "wildmenu", enabled with set wildmenu, makes file/buffer navigation easier. Its behavior is governed by a bunch of options that are worth investigating...
Best explanation for languages without null
... I could define
class Door
private DoorState state
and there are no more worries. The type system will ensure that there are only three possible states for an instance of class Door to be in. This is what type systems are good at - explicitly ruling out a whole class of errors at compile-ti...
what does -webkit-transform: translate3d(0,0,0); exactly do? Apply to body?
...try -webkit-backface-visibility: hidden and -webkit-perspective: 1000. For more info refer to this article.
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Why did my Git repo enter a detached HEAD state?
...(August 2019), you don't have to use the confusing git checkout command anymore.
git switch can also checkout a branch, and get a detach HEAD, except:
it has an explicit --detach option
To check out commit HEAD~3 for temporary inspection or experiment without creating a new branch:
git swit...
What does the Q_OBJECT macro do? Why do all Qt objects need this macro?
...xtensions.
The moc tool reads a C++ header file.
If it finds one or more class
declarations that contain the Q_OBJECT
macro, it produces a C++ source file
containing the meta-object code for
those classes. Among other things,
meta-object code is required for the
signals and slots ...
Should I use pt or px?
... dot it can display measures about 1/100th of an inch (0.25mm) or a little more. The px unit got its name from those screen pixels.
Nowadays there are devices that could in principle display smaller sharp dots (although you might need a magnifier to see them). But documents from the last century tha...
Python Requests throwing SSLError
...t depends on what you're doing. For my quick/throwaway application, it was more than sufficient.
– khalid13
Sep 16 '13 at 19:27
5
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What is a good use case for static import of methods?
...;
}
}
This has advantages and disadvantages. It makes the code a bit more readable at the expense of losing some immediate information about where the method is defined. However, a good IDE will let you go to the definition, so this isn't much of an issue.
You should still use this sparingly,...