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Extract a part of the filepath (a directory) in Python
...'C:\Program Files\Internet Explorer\iexplore.exe')
print(p.parent)
Will output:
C:\Program Files\Internet Explorer
Case you need all parts (already covered in other answers) use parts:
p = Path(r'C:\Program Files\Internet Explorer\iexplore.exe')
print(p.parts)
Then you will get a list:...
Does adding a duplicate value to a HashSet/HashMap replace the previous value
...t you're getting at is that with strings, "Hi" == "Hi" doesn't always come out true (because they're not necessarily the same object).
The reason you're getting an answer of 1 though is because the JVM will reuse strings objects where possible. In this case the JVM is reusing the string object, an...
How to read from stdin line by line in Node
...'readline');
var rl = readline.createInterface({
input: process.stdin,
output: process.stdout,
terminal: false
});
rl.on('line', function(line){
console.log(line);
})
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What's the key difference between HTML 4 and HTML 5?
... Thanks. I just discovered this too and cannot believe how out-of-the-loop I've been. It's been a rough year!
– David Rivers
Aug 11 '10 at 15:43
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Difference between List, List, List, List, and List
...
2) You can think of that one as "read only" list, where you don't care about the type of the items.Could e.g. be used by a method that is returning the length of the list.
3) T, E and U are the same, but people tend to use e.g. T for type, E for Element, V for value and K for key. The method tha...
Why doesn't a python dict.update() return the object?
...stinguishes between procedures and functions. Functions compute new values out of their parameters (including any target object); procedures modify objects and don't return anything (i.e. they return None). So procedures have side effects, functions don't. update is a procedure, hence it doesn't ret...
How do I check what version of Python is running my script?
...duck" check if a certain feature is there, and if not, workaround (or bail out). Sometimes features go away in newer releases, being replaced by others.
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fastest (low latency) method for Inter Process Communication between Java and C/C++
...2.8GHz, only single byte send/received,
2 Java processes just spawned, without assigning specific CPU cores with taskset:
TCP - 25 microseconds
Named pipes - 15 microseconds
Now explicitly specifying core masks, like taskset 1 java Srv or taskset 2 java Cli:
TCP, same cores: ...
Why does MSBuild look in C:\ for Microsoft.Cpp.Default.props instead of c:\Program Files (x86)\MSBui
...
Oh ok. I figured out the fix for this. Add in the missing registry key. I'll post it and update my setup docs to follow this order
– Peter Kahn
Apr 25 '13 at 18:24
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Best way to check if a URL is valid
I want to use PHP to check, if string stored in $myoutput variable contains a valid link syntax or is it just a normal text. The function or solution, that I'm looking for, should recognize all links formats including the ones with GET parameters.
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