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Formatting numbers (decimal places, thousands separators, etc) with CSS
...
Well, for any numbers in Javascript I use next one:
var a = "1222333444555666777888999";
a = a.replace(new RegExp("^(\\d{" + (a.length%3?a.length%3:0) + "})(\\d{3})", "g"), "$1 $2").replace(/(\d{3})+?/gi, "$1 ").trim();
and if you need to use any other separator as com...
JavaScript check if variable exists (is defined/initialized)
...check if a variable it's been declared. @BrianKelley's answer is the right one.
– dRamentol
Nov 15 '18 at 19:12
why no...
Immutable vs Mutable types
...ray()
set type: set()
mapping type: dict()
classes, class instances
etc.
One trick to quickly test if a type is mutable or not, is to use id() built-in function.
Examples, using on integer,
>>> i = 1
>>> id(i)
***704
>>> i += 1
>>> i
2
>>> id(i)
***7...
How do I update/upsert a document in Mongoose?
...
Mongoose now supports this natively with findOneAndUpdate (calls MongoDB findAndModify).
The upsert = true option creates the object if it doesn't exist. defaults to false.
var query = {'username': req.user.username};
req.newData.username = req.user.username;
MyMode...
Mocking Extension Methods with Moq
...so a link to the documentation: Extension Methods Mocking
Disclaimer. I am one of the developers responsible for JustMock.
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How do I put double quotes in a string in vba?
..., it takes all the confusion of 'how many single and double quotes' out to one definition where it can be documented
– rolinger
Jun 2 '16 at 8:05
1
...
Is std::unique_ptr required to know the full definition of T?
...laces is very useful! This is where shared_ptr and unique_ptr help. Use of one of these smart pointers will let you get away with an incomplete type, except where it is necessary to have a complete type. And most importantly, when it is necessary to have a complete type, you get a compile-time error...
Advantages of std::for_each over for loop
...y called C++0x), is that this tiresome debate will be settled.
I mean, no one in their right mind, who wants to iterate over a whole collection, will still use this
for(auto it = collection.begin(); it != collection.end() ; ++it)
{
foo(*it);
}
Or this
for_each(collection.begin(), collection....
Add subdomain to localhost URL
...u can just use port 80, which is the default, so you won't have to specify one.
– Matt Patenaude
Sep 29 '13 at 16:54
4
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How to get a list of properties with a given attribute?
...some extension methods. You will see that in many projects out there. This one here is one I often have:
public static bool HasAttribute<T>(this ICustomAttributeProvider provider) where T : Attribute
{
var atts = provider.GetCustomAttributes(typeof(T), true);
return atts.Length > 0;
}
...