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Can the Unix list command 'ls' output numerical chmod permissions?
Is it possible when listing a directory to view numerical unix permissions such as 644 rather than the symbolic output -rw-rw-r--
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Default constructor with empty brackets
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As mentioned many times, it's a declaration. It's that way for backward compatibility. One of the many areas of C++ that are goofy/inconsistent/painful/bogus because of its legacy.
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How do I split a string into an array of characters? [duplicate]
I want to string.split a word into array of characters.
8 Answers
8
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Why do we not have a virtual constructor in C++?
...rk with an object whose dynamic type is different than the static (compile time) type with which it is referred to, it provides behavior that is appropriate for the actual type of object instead of the static type of the object.
Now try to apply that sort of behavior to a constructor. When you cons...
How to format strings in Java
Primitive question, but how do I format strings like this:
8 Answers
8
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Mockito How to mock and assert a thrown exception?
... there is an object method that throws exception if you call it the second time. And you need to test to test that it does throw exception during the second method call, not the first one. If it throws MyException during the first method call (in the preparation stage) then it should fail the test. ...
Differences between “java -cp” and “java -jar”?
...est. There is no difference in performance. You can't use them at the same time, -jar will override the -cp.
Though even if you use -cp, it will still check the manifest file. So you can define some of the class-paths in the manifest and some in the command line. This is particularly useful when yo...
How do I use shell variables in an awk script?
...tting data from a program/function inn to awk (here date is used)
awk -v time="$(date +"%F %H:%M" -d '-1 minute')" 'BEGIN {print time}'
Variable after code block
Here we get the variable after the awk code. This will work fine as long as you do not need the variable in the BEGIN block:
varia...
Java inner class and static nested class
... child class is non-static class) i have utilized their features couple of times, but I was wondering that what kind of memory model they follow? does OOP concepts cover them as a separate concept? if not where they really fit in within OOP. Seems like a friend class to me :)
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Left padding a String with Zeros [duplicate]
...with whatever character you would like to pad with, repeated the amount of times that you want the total width of the string to be. E.g. if you want to add zeros to the left so that the whole string is 15 characters long:
String unpadded = "12345";
String padded = "000000000000000".substring(unp...