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Excel: last character/string match in a string
... position of a character/string's last occurrence in a string. Search and find both work left-to-right so I can't think how to apply without lengthy recursive algorithm. And this solution now seems obsolete.
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Django queries - id vs pk
...s preferable. See the documentation of built-in functionid in the Python standard library. (It is the same in Python 2.)
– Lutz Prechelt
Mar 23 '16 at 8:17
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Specify format for input arguments argparse python
I have a python script that requires some command line inputs and I am using argparse for parsing them. I found the documentation a bit confusing and couldn't find a way to check for a format in the input parameters. What I mean by checking format is explained with this example script:
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How to calculate a Mod b in Casio fx-991ES calculator
...ect ab/c (number 1).
Now do your calculation (in comp mode), like 50 / 3 and you will see 16 2/3, thus, mod is 2. Or try 54 / 7 which is 7 5/7 (mod is 5).
If you don't see any fraction then the mod is 0 like 50 / 5 = 10 (mod is 0).
The remainder fraction is shown in reduced form, so 60 / 8 will r...
Picking a random element from a set
How do I pick a random element from a set?
I'm particularly interested in picking a random element from a
HashSet or a LinkedHashSet, in Java.
Solutions for other languages are also welcome.
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How to pass a function as a parameter in Java? [duplicate]
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Java 8 and above
Using Java 8+ lambda expressions, if you have a class or interface with only a single abstract method (sometimes called a SAM type), for example:
public interface MyInterface {
String doSomething(int param1, S...
final keyword in method parameters [duplicate]
...nt to anything else, the caller of the function never loses its reference, and continues to point to the same object.
– Armand
Feb 20 '14 at 18:19
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Make an Installation program for C# applications and include .NET Framework installer into the setup
... Visual Studio 2013 you can download them by using:
Tools > Extensions and Updates > Online (search) > Visual Studio Installer Projects
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How to make the overflow CSS property work with hidden as value
... I had a similar problem with relatively positioned content in a container and needed the container to be relative too. So its not just hiding absolutely positioned elements, its hiding any positioned elements its looking like. :)
– Chris
Aug 6 '12 at 8:33
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Iterate through a C++ Vector using a 'for' loop
I am new to the C++ language. I have been starting to use vectors, and have noticed that in all of the code I see to iterate though a vector via indices, the first parameter of the for loop is always something based on the vector. In Java I might do something like this with an ArrayList:
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