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Why do we need to install gulp globally and locally?
...t I need to install gulp first globally (with -g flag) and then one more tim>me m> locally. Why do I need this?
7 Answers
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Bootstrap 3 Navbar Collapse
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I had the sam>me m> problem today.
Bootstrap 4
It's a native functionality: https://getbootstrap.com/docs/4.0/components/navbar/#responsive-behaviors
You have to use .navbar-expand{-sm|-md|-lg|-xl} classes:
<nav class="navbar navbar-ex...
What is attr_accessor in Ruby?
I am having a hard tim>me m> understanding attr_accessor in Ruby .
Can som>me m>one explain this to m>me m>?
19 Answers
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How can I make XSLT work in chrom>me m>?
I have an XML docum>me m>nt here that is served with a corresponding XSL file . The transformation is left to be executed client-side, without JavaScript.
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Simulate CREATE DATABASE IF NOT EXISTS for PostgreSQL?
...ask the system catalog pg_database - accessible from any database in the sam>me m> database cluster. The tricky part is that CREATE DATABASE can only be executed as a single statem>me m>nt. The manual:
CREATE DATABASE cannot be executed inside a transaction block.
So it cannot be run directly inside a funct...
Cartesian product of multiple arrays in JavaScript
How would you implem>me m>nt the Cartesian product of multiple arrays in JavaScript?
30 Answers
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Entity Fram>me m>work - Include Multiple Levels of Properties
The Include() m>me m>thod works quite well for Lists on objects. But what if I need to go two levels deep? For example, the m>me m>thod below will return ApplicationServers with the included properties shown here. However, ApplicationsWithOverrideGroup is another container that holds other complex objects. Ca...
How can I recover the return value of a function passed to multiprocessing.Process?
...t str(procnum) + ' represent!'
return_dict[procnum] = procnum
if __nam>me m>__ == '__main__':
manager = multiprocessing.Manager()
return_dict = manager.dict()
jobs = []
for i in range(5):
p = multiprocessing.Process(target=worker, args=(i,return_dict))
jobs.append(p)...
What is the difference between cout, cerr, clog of iostream header in c++? When to use which one?
...t answer. I still am not clear on when to use which. Can anyone explain to m>me m>, through simple programs and illustrate a perfect situation on when to use which one?
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How to copy Java Collections list
...y it exactly. I use utility classes when possible on the assumption that som>me m>one spent som>me m> tim>me m> making it correct. So naturally, I end up with the Collections class which contains a copy m>me m>thod.
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