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How to implement a binary tree?
...f getRoot(self):
return self.root
def add(self, val):
if self.root is None:
self.root = Node(val)
else:
self._add(val, self.root)
def _add(self, val, node):
if val < node.v:
if node.l is not None:
self._...
Executing multi-line statements in the one-line command-line?
...
@RudolfOlah hope you know it by now but just for reference, you need to wrap the print statement for python3+ versions like: python -c "exec(\"import sys\nfor r in range(10): print('rob')\")"
– systrigger
Mar...
What is the difference between build.sbt and build.scala?
...ry tutorial I see a build.sbt file which describes project settings. But now I have installed giter8 and created a project from template. And generated project from template missed build.sbt file, but it have build.scala (which seems used for same purposes, but it is more flexible).
...
How do you log all events fired by an element in jQuery?
....log(e);
});
That will get you a lot (but not all) of the information on if an event is fired... other than manually coding it like this, I can't think of any other way to do that.
share
|
improve...
Python hashable dicts
...e syntax free lisp dialects you normally find them in). Because of this, different passes through the input might see different grammars, so cached parse results are invalid, unless I also store the current version of the grammar along with the cached parse results. ( EDIT : a consequence of this ...
Split array into chunks
...onsole.log(
[1, 2, 3, 4, 5, 6, 7].chunk(3)
)
My preferred way nowadays is the above, or one of the following:
Array.range = function(n) {
// Array.range(5) --> [0,1,2,3,4]
return Array.apply(null,Array(n)).map((x,i) => i)
};
Object.defineProperty(Array.prototype, 'chunk', {
...
Get Base64 encode file-data from Input Form
...at, but it's here if you want to take a look; it's pretty neat.
What I do now:
The code for converting to string from a Uint8Array is pretty simple (where buf is a Uint8Array):
function uint8ToString(buf) {
var i, length, out = '';
for (i = 0, length = buf.length; i < length; i += 1) {...
How can i query for null values in entity framework?
... select entry;
This is a nasty bug which has bitten me several times. If this bug has affected you too, please visit the bug report on UserVoice and let Microsoft know that this bug has affected you as well.
Edit: This bug is being fixed in EF 4.5! Thanks everyone for upvoting this bug!
Fo...
input type=“submit” Vs button tag are they interchangeable?
...lity to adopt to the new spec once it is officialized. HTML5, as of right now, has been official for over one year now, and has been shown in many cases to boost SEO.
&ast; With the exception of <button type="button"> which by default has no specified behaviour.
In summary, I highly di...
Finding the source code for built-in Python functions?
...
would have been helpful if you had given an example of how to use __file__
– stackoverflowpro
Aug 25 at 8:59
...