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Objective-C implicit conversion loses integer precision 'NSUInteger' (aka 'unsigned long') to 'int'
...ng is a 64-bit unsigned integer.
int is a 32-bit integer.
So int is a "smaller" datatype than NSUInteger, therefore the compiler warning.
See also NSUInteger in the "Foundation Data Types Reference":
When building 32-bit applications, NSUInteger is a 32-bit unsigned
integer. A 64-bit applic...
Java, Classpath, Classloading => Multiple Versions of the same jar/project
...nt) that some of the other frameworks/jars used in my project require. But all of them require different major versions like:
...
How do I show my global Git configuration?
I'd like to show all configured Git sections.
12 Answers
12
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Who is listening on a given TCP port on Mac OS X?
...y version of macOS supports this:
sudo lsof -iTCP -sTCP:LISTEN -n -P
Personally I've end up with this simple function in my ~/.bash_profile:
listening() {
if [ $# -eq 0 ]; then
sudo lsof -iTCP -sTCP:LISTEN -n -P
elif [ $# -eq 1 ]; then
sudo lsof -iTCP -sTCP:LISTEN -n -P | gre...
Parsing JSON from XmlHttpRequest.responseJSON
...ys II: responseType
As Londeren has written in his answer, newer browsers allow you to use the responseType property to define the expected format of the response. The parsed response data can then be accessed via the response property:
var req = new XMLHttpRequest();
req.responseType = 'json';
re...
What is the significance of #pragma marks? Why do we need #pragma marks?
...oes their location in .m files matter? Should some #pragma come before all others?
7 Answers
...
Is there any simple way to find out unused strings in Android project?
...le "Find usages" doesn't show any usage of them (and it does for those actually used).
– user905686
Aug 28 '17 at 8:27
...
Global variables in Java
...
public static int b;
}
now you can access a and b from anywhere
by calling
Example.a;
Example.b;
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Python CSV error: line contains NULL byte
..., but not cause any other dramas. I also note that you have several files (all opened with 'rU' ??) but only one causing a problem.
If the csv module says that you have a "NULL" (silly message, should be "NUL") byte in your file, then you need to check out what is in your file. I would suggest that...
Best implementation for hashCode method for a collection
... is a hard question because it depends on the usage pattern.
A for nearly all cases reasonable good implementation was proposed in Josh Bloch's Effective Java in Item 8 (second edition). The best thing is to look it up there because the author explains there why the approach is good.
A short vers...