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Are lists thread-safe?
...s but keep the numbers big enough and run a few times and you will see the error
The FLAWED version
import threading
import time
# Change this number as you please, bigger numbers will get the error quickly
count = 1000
l = []
def add():
for i in range(count):
l.append(i)
tim...
No Persistence provider for EntityManager named
...emoved it once I solved the problem, just to make sure). I was getting the error finally because persistence.xml was not in the src/META-INF folder, even though it had been in a folder in the Eclipse source path for the project. I'm thinking somewhere it's hard-wired to be on src/*
...
Disable assertions in Python
...nt call last):
File "<string>", line 1, in <module>
AssertionError
Note that by disable I mean it also does not execute the expression that follows it:
$ python -Oc "assert 1/0"
$ python -c "assert 1/0"
Traceback (most recent call last):
File "<string>", line 1, in <modu...
Why Response.Redirect causes System.Threading.ThreadAbortException?
...n I use Response.Redirect(...) to redirect my form to a new page I get the error:
10 Answers
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Accessing MVC's model property from Javascript
...
What do you know, I've got the same error in my various projects as well. Just ignore it; it's Visual Studio trying to help, but, it's wrong in this case. The resulting HTML and script that gets sent to the browser is correct.
– Justin H...
Install Node.js on Ubuntu
I'm trying install Node.js on Ubuntu 12.10, but the terminal shows me an error about lost packages. I tried with this:
18 A...
In C++, if throw is an expression, what is its type?
...ote that throw-expression are assignment-expression. So they are a syntax error as an argument to most operators. Obviously, you can hide them in parenthesis, but if they aren't ignored (first argument of builtin operator , for instance), it is a type error.
– AProgrammer
...
ExecJS and could not find a JavaScript runtime
...Devise Rails 3.1 template ( Mongoid and Devise ), and I keep getting an error stating ExecJS cannot find a JavaScript runtime. Fair enough when I didn't have any installed, but I've tried installing Node.js , Mustang and the Ruby Racer , but nothing is working.
...
Why does “pip install” inside Python raise a SyntaxError?
...age. I try to run pip install from the Python shell, but I get a SyntaxError . Why do I get this error? How do I use pip to install the package?
...
Dialog to pick image from gallery or from camera
...w method.
@Override
public void onPickResult(PickResult r) {
if (r.getError() == null) {
imageView.setImageBitmap(r.getBitmap());
//or
imageView.setImageURI(r.getUri());
} else {
//Handle possible errors
//TODO: do what you have to do with r.getErro...