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Why doesn't 'ref' and 'out' support polymorphism?
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UPDATE: I used this answer as the basis for this blog entry:
Why do ref and out parameters not allow type variation?
See the blog page for more commentary on this issue. Thanks for the great question.
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Let's suppose you have classes Animal, Mammal,...
Why do Lua arrays(tables) start at 1 instead of 0?
...ve read (as many others did) this great paper . It seems to me a strange corner of a language that is very pleasant to learn and program. Don't get me wrong, Lua is just great but there has to be an explanation somewhere. Most of what I found (on the web) is just saying the index starts at 1. Full ...
if else statement in AngularJS templates
...ovide the if/else functionality . Following are a few options to consider for what you want to achieve:
(Jump to the update below (#5) if you are using version 1.1.5 or greater)
1. Ternary operator:
As suggested by @Kirk in the comments, the cleanest way of doing this would be to use a ternary op...
Nginx 403 forbidden for all files
... 5 box, but am struggling to get it to serve any of my files - whether PHP or not.
11 Answers
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Is there an API to get bank transaction and bank balance? [closed]
...want to get my bank transactions and my balance if I can.
Is there an API for that? in PHP or JAVA?
If so, please let me know how to get them.
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How can I check file size in Python?
... Python script in Windows. I want to do something based on the file size. For example, if the size is greater than 0, I will send an email to somebody, otherwise continue to other things.
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Efficiently test if a port is open on Linux?
From a bash script how can I quickly find out whether a port 445 is open/listening on a server.
14 Answers
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How to include *.so library in Android Studio?
...any threads how to add a *.so library to Android Studio, but none of them works, especially when it comes to the point of text: This does not work with the newer xxx (Android Studio, gradle, ...)
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git mv and only change case of directory
...ide of the mv as Git understands it. Warning! Ensure that no other changes or untracked files are around when you do this or they will get committed as part of this change! git stash -u first, do this and then git stash pop after. Continuing: To get around this, do the following:
mv foo foo2
git ad...
Get string character by index - Java
I know how to work out the index of a certain character or number in a string, but is there any predefined method I can use to give me the character at the nth position? So in the string "foo", if I asked for the character with index 0 it would return "f".
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