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Why can't I forward-declare a class in a namespace using double colons?
...ou can't. In C++ language fully-qualified names are only used to refer to em>x m>isting (i.e. previously declared) entities. They can't be used to introduce new entities.
And you are in fact "reopening" the namespace to declare new entities. If the class Class is later defined as a member of different n...
Difference between `npm start` & `node app.js`, when starting app?
I have installed an application using the command em>x m>press new 'filename' . I have just learned that you can start an application using:
...
How to run multiple Python versions on Windows
...
Running a different copy of Python is as easy as starting the correct em>x m>ecutable. You mention that you've started a python instance, from the command line, by simply typing python.
What this does under Windows, is to trawl the %PATH% environment variable, checking for an em>x m>ecutable, either bat...
Flatten List in LINQ
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Is there some alternate syntam>x m> for SelectMany( i => i ) ? I've seen this syntam>x m> used a lot but it seems a degenerate use of the select feature, so I would have em>x m>pected the language designers to come up with a shortcut syntam>x m> specifically for lists of...
Array vs. Object efficiency in JavaScript
... 'test' };
a1.push({id: newNo, name: 'test'});
}
Original Post - Em>x m>planation
There are some misconceptions in your question.
There are no associative arrays in Javascript. Only Arrays and Objects.
These are arrays:
var a1 = [1, 2, 3];
var a2 = ["a", "b", "c"];
var a3 = [];
a3[0] = "a";
...
What's the point of const pointers?
...ror because you're changing the value to ptr. Adding restrictions via syntam>x m> is a good thing in general. Just don't take it too far -- the em>x m>ample you gave is a case where most people don't bother using const.
share
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URL Encode a string in jQuery for an AJAm>X m> request
...application. I'd like to fire off HTTP requests as the user types in the tem>x m>t input. The only problem I'm having is that when the user gets to a space in between first and last names, the space is not encoded as a + , thus breaking the search. How can I either replace the space with a + , or just ...
git working on two branches simultaneously
...
This should be the new accepted answer, since 2.5.m>X m> is now the recommended version, even for windows i.imgur.com/oQvUhVl.png git-scm.com/download/win
– RAnders00
Sep 4 '15 at 18:56
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Alphabet range in Python
... import string
>>> string.ascii_lowercase
'abcdefghijklmnopqrstuvwm>x m>yz'
If you really need a list:
>>> list(string.ascii_lowercase)
['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'm>x m>', 'y', 'z']
And to do it wi...
invalid command code ., despite escaping periods, using sed
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If you are on a OS m>X m>, this probably has nothing to do with the sed command. On the OSm>X m> version of sed, the -i option em>x m>pects an em>x m>tension argument so your command is actually parsed as the em>x m>tension argument and the file path is interpreted as ...