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How do I get the difference between two Dates in JavaScript?
...cation which lets you define events with a time frame. I want to automatically fill in the end date when the user selects or changes the start date. I can't quite figure out, however, how to get the difference between the two times, and then how to create a new end Date using that difference.
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Long list of if statements in Java
...
this will force to implements all commands in the enum... that is far to be ideal. With an interface you can apply also the Decorator pattern (e.g. DebugCommandDecorator, TraceCommandDecorator), there is a lot more flexibility built-in in a simple Java in...
Difference between OData and REST web services
...t is not available, or linked to in the response. It is what REST people call out-of-band information and introduces hidden coupling between the client and server.
The other coupling that is introduced is through the use of EDMX metadata to define the properties contained in the entry content. ...
console.log timestamps in Chrome?
...();
if (arguments.length)
{
// True array copy so we can call .splice()
var args = Array.prototype.slice.call(arguments, 0);
// If there is a format string then... it must
// be a string
if (typeof arguments[0] === "string")
{
// ...
How can I remove a commit on GitHub? [duplicate]
I "accidentally" pushed a commit to GitHub.
21 Answers
21
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Changing one character in a string
...t;assign->free" more efficent than s[6]='W'? Hmm... Why other languages allow it, in spite of that "lot" of reasons? Interesting how a strange design can be defended (for love I suppose). Why not suggest adding a function MID(strVar,index,newChar) to Python core that direct accesses the char memo...
如何选择机器学习算法 - 大数据 & AI - 清泛网移动版 - 专注C/C++及内核技术
...g algorithm to choose for your classification problem? Of course, if you really care about accuracy, your best bet is to test out a couple different ones (making sure to try different parameters within each algorithm as well), and select the best one by cross-validation. But if you’re simply l...
What is for Python what 'explode' is for PHP?
...miter present (except possibly the last part). When the delimiter is None, all whitespace is matched. This is the default.
>>> "Rajasekar SP".split()
['Rajasekar', 'SP']
>>> "Rajasekar SP".split('a',2)
['R','j','sekar SP']
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Calculating Pearson correlation and significance in Python
...trictly speaking, Pearson's correlation requires
that each dataset be normally distributed. Like other correlation
coefficients, this one varies between -1 and +1 with 0 implying no
correlation. Correlations of -1 or +1 imply an exact linear
relationship. Positive correlations imply that as x in...
Sort an Array by keys based on another Array?
...to be sorted')
ps - I'm answering this 'stale' question, because I think all the loops given as previous answers are overkill.
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