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npm command to uninstall or prune unused packages in Node.js
Is there a way to simply uninstall all unused (undeclared) dependencies from a Node.js project (ones that are no longer defined in my package.json .) When I update my application I like to have the unreferenced packages removed automatically.
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Rebase a single Git commit
Is there a way to rebase a single commit from a branch onto another branch?
5 Answers
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What is the difference between an int and a long in C++?
...of(short) <= sizeof(int) <= sizeof(long) <= sizeof(long long)
// FROM @KTC. The C++ standard also has:
sizeof(signed char) == 1
sizeof(unsigned char) == 1
// NOTE: These size are not specified explicitly in the standard.
// They are implied by the minimum/maximum values that MUST ...
Difference between FetchType LAZY and EAGER in Java Persistence API?
...t; students;
// setters and getters
}
Now when you load a University from the database, JPA loads its id, name, and address fields for you. But you have two options for how students should be loaded:
To load it together with the rest of the fields (i.e. eagerly), or
To load it on-demand (i...
JavaScript: Object Rename Key
... @Ivo - I agree that it is risky, but there is nothing that will stop me from extending the prototype if I felt it lead to more expressive code. Although I am coming from an ECMAScript 5 mindset where you can mark a property as non-enumerable via Object.defineProperty.
– Chao...
ssh: connect to host github.com port 22: Connection timed out
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I had to remove the .git from the url in order for this to work for me. url = github.com/username/repo
– Jesse Buss
Dec 21 '17 at 15:38
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Why does ConcurrentHashMap prevent null keys and values?
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From the author of ConcurrentHashMap himself (Doug Lea):
The main reason that nulls aren't allowed in ConcurrentMaps
(ConcurrentHashMaps, ConcurrentSkipListMaps) is that ambiguities that
may be just barely tolerable i...
What is the difference between save and insert in Mongo DB?
...orms an update, replacing all field in the existing record with the fields from the document.
Save vs Update :
update modifies an existing document matched with your query params. If there is no such matching document, that's when upsert comes in picture.
upsert : false : Nothing happens when no ...
Flask raises TemplateNotFound error even though template file exists
...emplates by default. So your code should be
suppose this is your hello.py
from flask import Flask,render_template
app=Flask(__name__,template_folder='template')
@app.route("/")
def home():
return render_template('home.html')
@app.route("/about/")
def about():
return render_template('abo...
Sleeping in a batch file
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UPDATE
The timeout command, available from Windows Vista and onwards should be the command used, as described in another answer to this question. What follows here is an old answer.
Old answer
If you have Python installed, or don't mind installing it (it has oth...