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NodeJS: How to get the server's port?
...
Express 4.x answer:
Express 4.x (per Tien Do's answer below), now treats app.listen() as an asynchronous operation, so listener.address() will only return data inside of app.listen()'s callback:
var app = require('express')();
var listener = app.listen(8888, function(){
console.lo...
Error: Jump to case label
...}
dostuff(i);
break;
}
case 2:
dostuff(123); // Now you cannot use i accidentally
}
Edit
To further elaborate, switch statements are just a particularly fancy kind of a goto. Here's an analoguous piece of code exhibiting the same issue but using a goto instead of a switc...
XAMPP, Apache - Error: Apache shutdown unexpectedly
...PP, and when I try to start my Apache server in the XAMPP Control Panel, I now get the following errors:
50 Answers
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How do I execute inserts and updates in an Alembic upgrade script?
... teams[player.team_name]
session.commit()
# don't need team name now that team relationship is set
op.drop_column('players', 'team')
def downgrade():
bind = op.get_bind()
session = orm.Session(bind=bind)
# re-add the players.team column
op.add_column('players', sa.Co...
Client on node: Uncaught ReferenceError: require is not defined
...s because require() does not exist in the browser/client-side JavaScript.
Now you're going to have to make some choices about your client-side JavaScript script management.
You have three options:
Use <script> tag.
Use a CommonJS implementation. Synchronous dependencies like Node.js
Use a...
How to set child process' environment variable in Makefile
... Oddly enough I did test it earlier that showed it worked.. (not sure why now..) I can go back and delete the comment I guess..
– AnthonyC
Aug 22 '18 at 5:53
3
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Can someone explain the right way to use SBT?
...ting out off the closet on this! I don't understand SBT. There, I said it, now help me please.
4 Answers
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What's the use of ob_start() in php?
...ed (server-side).
The dynamic content is always(?) going to be a string. Now you have to combine this stringified dynamic html with any literal, direct-to-display html ... into one meaningful html node structure.
This usually forces the developer to wrap all that direct-to-display content into a ...
What is the difference between “ is None ” and “ ==None ”
...mparison is implemented elementwise:
import numpy as np
a = np.zeros(3) # now a is array([0., 0., 0.])
a == None #compares elementwise, outputs array([False, False, False]), i.e. not boolean!!!
a is None #compares object to object, outputs False
...
Environment variables for java installation
...te the path of the bin folder in the variable value
Click OK
The path is now set permanently.
TIP: The tool "Rapid Environment Editor" (freeware) is great for modifying the environment variables and useful in that case
TIP2: There is also a faster way to access the Environment Variables: press W...