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How to determine if binary tree is balanced?
It's been a while from those school years. Got a job as IT specialist at a hospital. Trying to move to do some actual programming now. I'm working on binary trees now, and I was wondering what would be the best way to determine if the tree is height-balanced.
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Different ways of loading a file as an InputStream
...interpreted as a path local to the package of the class you are calling it from. For example calling, String.class.getResourceAsStream("myfile.txt") will look for a file in your classpath at the following location: "java/lang/myfile.txt". If your path starts with a /, then it will be considered an a...
Is there a version of JavaScript's String.indexOf() that allows for regular expressions?
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If you prefer to pull it from npm, these two util functions are now on NPM as: npmjs.com/package/index-of-regex
– Capaj
Oct 26 '16 at 19:40
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Should __init__() call the parent class's __init__()?
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If you need something from super's __init__ to be done in addition to what is being done in the current class's __init__, you must call it yourself, since that will not happen automatically. But if you don't need anything from super's __init__, n...
makefile:4: *** missing separator. Stop
...been compiling source code of big project. Pasted some lines into makefile from tutorial, and it didn't work. Only after deleting spaces and putting Tab instead worked!
– rzaaeeff
Aug 8 '15 at 7:12
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Why does Html.ActionLink render “?Length=4”
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The Length=4 is coming from an attempt to serialize a string object. Your code is running this ActionLink method:
public static string ActionLink(this HtmlHelper htmlHelper, string linkText, string actionName, object routeValues, object htmlAttrib...
Git add all files modified, deleted, and untracked?
...pt on a server that was running git 1.5.2.5. git add -A was not working. From the script, no error message was reported. Only from the command line did I find that -A was not a legal option to add.
– Eponymous
Jan 16 '12 at 16:37
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Is it good practice to use java.lang.String.intern()?
...ppropriate strings on input so you don't have to worry about it anymore.
(from JGuru)
Third disadvantage (Java 7 or less only): interned Strings live in PermGen space, which is usually quite small; you may run into an OutOfMemoryError with plenty of free heap space.
(from Michael Borgwardt)
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Why doesn't RecyclerView have onItemClickListener()?
...iewHolder(ViewGroup parent, int viewType) {
View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.my_layout, parent, false);
MyAdapter.ViewHolder vh = new ViewHolder(v, new MyAdapter.ViewHolder.IMyViewHolderClicks() {
public void onPotato(View caller) { Log.d(...
Python name mangling
...e, you will get annoyed by Python programmers telling you to remove the __ from your code when you ask a question in Stack Overflow :)
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