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Is there a way for non-root processes to bind to “privileged” ports on Linux?
...re going to use capabilities in a production environment. There are some really tricky details of how capabilities are inherited across exec() calls that are detailed here.
setcap man page
"Bind ports below 1024 without root on GNU/Linux": The document that first pointed me towards setcap.
Note: R...
HTML5 Video Dimensions
... Šime VidasŠime Vidas
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Insertion Sort vs. Selection Sort
...n Sort:
Given a list, take the current element and exchange it with the smallest element on the right hand side of the current element.
Insertion Sort:
Given a list, take the current element and insert it at the appropriate position of the list, adjusting the list every time you insert. It is si...
Rest with Express.js nested router
...other words, is there an explicit way to write the registration or access calls such that the item router lets us know it expects to be passed a user id? Example situation, the item router is in another file altogether, structurally it isn't clear that it requires a user unless you get into its call...
How to negate a method reference predicate
...
I'm planning to static import the following to allow for the method reference to be used inline:
public static <T> Predicate<T> not(Predicate<T> t) {
return t.negate();
}
e.g.
Stream<String> s = ...;
long nonEmptyStrings = s.filter(not(Str...
How do I format a long integer as a string without separator in Java?
...""+
– Peter Lawrey
Jan 23 '16 at 19:32
1
You are right, but I just wanted to point it out since p...
Why can't a 'continue' statement be inside a 'finally' block?
...
finally blocks run whether an exception is thrown or not. If an exception is thrown, what the heck would continue do? You cannot continue execution of the loop, because an uncaught exception will transfer control to another func...
Use of “global” keyword in Python
...l variables is seldom considered a good solution.
def bob():
me = "locally defined" # Defined only in local context
print(me)
bob()
print(me) # Asking for a global variable
The above will give you:
locally defined
Traceback (most recent call last):
File "file.py", line 9, in &l...
Where is the “Create Unit Tests” selection?
I have installed the new Visual Studio 2012 Ultimate.
9 Answers
9
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How to implement a Map with multiple keys? [duplicate]
...ey mk, Object k) and then a Map<MetaKey, Map<Object, V>> internally.
– Jeremy Huiskamp
May 4 '09 at 22:21
...