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Why is “throws Exception” necessary when calling a function?
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In Java, as you may know, exceptions can be categorized into two: One that needs the throws clause or must be handled if you don't specify one and another one that doesn't. Now, see the following figure:
In Java, you can throw anything that ex...
Is it possible to specify a starting number for an ordered list?
... would like the initial number to be 6. I found that this was supported (now deprecated) in HTML 4.01. In this specification they say that you can specify the starting integer by using CSS. (instead of the start attribute)
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Error when trying vagrant up
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Gar, that was it. Why does it say "You are now ready to vagrant up your first virtual environment!" then??
– Matt
Jun 30 '15 at 21:55
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How to commit a change with both “message” and “description” from the command line? [duplicate]
...git and GitHub. I managed to set up everything locally on my Mac, so that now I can push commits to GitHub via git (on the command line, not the Mac app).
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Explain Morris inorder tree traversal without using stacks or recursion
...sal. So X is made the right child of B, then current is set to Y. The tree now looks like this:
Y
/ \
A B
\
X
/ \
(Y) Z
/ \
C D
(Y) above refers to Y and all of its children, which are omitted for recursion issues. The important part is li...
Are PHP Variables passed by value or by reference?
... $str would be assigned null, in your case.
– The Unknown Dev
Jan 22 '15 at 19:31
if you do it this way @ObmerkKronen ...
Most efficient method to groupby on an array of objects
...ailed to understand how in the world does it work starting from ...result. Now I can't sleep because of that.
– user3307073
Mar 29 '19 at 9:26
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Why do we need boxing and unboxing in C#?
...e type).
Think of it like this. You have a variable o of type object. And now you have an int and you want to put it into o. o is a reference to something somewhere, and the int is emphatically not a reference to something somewhere (after all, it's just a number). So, what you do is this: you make...
Android Studio quick documentation always “fetching documentation”
...mentation for some Android class popped up. No idea, where it got it from. Now I'm installing the Doc package back, hoping it will fix the fetch times, thank you for idea.
– Ped7g
Apr 12 '17 at 12:19
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Why is my git repository so big?
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wow. THANK YOU. .git = 15M now!! after cloning, here is a little 1 liner for preserving your previous branches. d1=#original repo; d2=#new repo; cd $d1; for b in $(git branch | cut -c 3-); do git checkout $b; x=$(git rev-parse HEAD); cd $d2; git checko...