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Detect permission of camera in iOS
...
A possibly useful tip – if you are testing code that uses this, you can't merely delete your App from the testing device and then re-instal. Doing this will not cause iOS to reissue the request to the user! What's worked for me though is to change the Bundle I...
How to exclude a file extension from IntelliJ IDEA search?
...o only return .java files except those with a name starting or ending with test.
Pattern: !*test.java,*.java,!Test*.java
In recent versions of Intellij the GUI has been updated a bit but the same still applies see the "File mask" on the top right hand corner see image below:
...
Ruby on Rails Server options [closed]
...lling restarts. Rolling restarts on Unicorn and other servers require some scripting work. Phusion Passenger Enterprise completely automates this way for you.
There are more features and advantages, but the list is really long. You should refer to the comprehensive Phusion Passenger manual (Apache...
How can I check if multiplying two numbers in Java will cause an overflow?
...people who really understand machine arithmetic in Java and which has been tested by lots of people. Don't attempt to write your own or use any of the half-baked untested code posted in the other answers!
– Rich
Jan 21 '14 at 11:22
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How to convert std::string to NSString?
...Firstly, you've got to be using Objective-C++ for this to work in the slightest; easiest way to ensure that is rename all your *.m files to *.mm
By far the most usable (non-deprecated) manual way of getting a C++ std::string into an NSString is with:
std::string param; // <-- input
NSString* re...
What's the difference between globals(), locals(), and vars()?
...nary, and changes to the dictionary are reflected in the namespace:
class Test(object):
a = 'one'
b = 'two'
huh = locals()
c = 'three'
huh['d'] = 'four'
print huh
gives us:
{
'a': 'one',
'b': 'two',
'c': 'three',
'd': 'four',
'huh': {...},
'__module__': '__mai...
comparing sbt and Gradle [closed]
...a revision which can be given as a fixed one (1.5.2, for instance) or as latest (or dynamic) one.
See "Ivy Dependency"
That means the "-SNAPSHOT" mechanism support can be problematic, even though Mark Harrah details in this thread:
It is true the cache can get confused, but it is not true that Ivy...
Is there an alternative to bastard injection? (AKA poor man's injection via default constructor)
...ad of a config file? What if you want to vary configuration values in unit tests? What if you want to make the configuration value configurable via the UI? ...FWIW, I've expanded on the DI friendly library recommendations here, including more code examples.
– Mark Seemann
...
Pip freeze vs. pip list
...ere, django==1.4.2 implies install django version 1.4.2 (even though the latest is 1.6.x).
If you do not specify ==1.4.2, the latest version available would be installed.
You can read more in "Virtualenv and pip Basics",
and the official "Requirements File Format" documentation.
...
UnboundLocalError on local variable when reassigned after first use
...f you want to modify it, you have to use the global keyword. Try changing test() to this:
def test():
global c
print(a)
print(b)
print(c) # (A)
c+=1 # (B)
Also, the reason you are getting this error is because you can also declare a new variable inside that function...