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Long list of if statements in Java
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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...
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")
{
// ...
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...
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...
custom listview adapter getView method being called multiple times, and in no coherent order
... there is absolutely no guarantee on the order in which getView() will be called nor how many times. In your particular case you are doing the worst thing possible with a ListView by giving it a height=wrap_content. This forces ListView to measure a few children out of the adapter at layout time, to...
How can I check if multiplying two numbers in Java will cause an overflow?
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This is really nice. For those wondering, the reason this works is that for integer n, n > x is the same as n > floor(x). For positive integers division does an implicit floor. (For negative numbers it rounds up instead)
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In a .csproj file, what is for?
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Helpful, but why have a "None" item at all, if the file is not to be included in the output? What's the point?
– JimH44
Apr 23 '18 at 9:03
1
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How to reload a page using JavaScript
...he web-server again (such as where the document contents
// change dynamically) we would pass the argument as 'true'.
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throws Exception in finally blocks
Is there an elegant way to handle exceptions that are thrown in finally block?
15 Answers
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