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Properly removing an Integer from a List
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Java always calls the method that best suits your argument. Auto boxing and implicit upcasting is only performed if there's no method which can be called without casting / auto boxing.
The List interface specifies two remove methods (please note the naming of the arguments):
remove(Object...
std::function vs template
...er it can get when memory allocation is involved, I've changed the lambda expression to capture three floats. This makes the callable object too big to apply the small object optimization:
float a, b, c; // never mind the values
// ...
calc2([a,b,c](float arg){ return arg * 0.5f; });
For this ver...
Error handling in C code
...ef'ed enum and use it in your lib. Don't just return ints or even worse, mix ints or different enumerations with return-codes.
provide a function that converts errors into something human readable. Can be simple. Just error-enum in, const char* out.
I know this idea makes multithreaded use a bit di...
Is there a way to detect if an image is blurry?
...the image with a Laplacian kernel:
1
1 -4 1
1
And use a robust maximum metric on the output to get a number which you can use for thresholding. Try to avoid smoothing too much the images before computing the Laplacian, because you will only find out that a smoothed image is indeed blurry :...
node.js global variables?
...e? Is it a good pattern to follow? As in should I do this or should I use express set? Thanks
– Harry
Mar 28 '11 at 3:34
4
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Get screen width and height in Android
...tDisplay().getMetrics(displayMetrics);
int height = displayMetrics.heightPixels;
int width = displayMetrics.widthPixels;
In a view you need to do something like this:
((Activity) getContext()).getWindowManager()
.getDefaultDisplay()
.getMetrics...
What is the use of Enumerable.Zip extension method in Linq?
What is the use of Enumerable.Zip extension method in Linq?
9 Answers
9
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Redirecting from HTTP to HTTPS with PHP
...s entering his billing details and maintain the HTTPS connection for the next pages until he logs out.
5 Answers
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Creating an R dataframe row-by-row
... I came up with is the suggestion to create an empty list, keep a list index scalar, then each time add to the list a single-row dataframe and advance the list index by one. Finally, do.call(rbind,) on the list.
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When is a CDATA section necessary within a script tag?
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A CDATA section is required if you need your document to parse as XML (e.g. when an XHTML page is interpreted as XML) and you want to be able to write literal i<10 and a && b instead of i&lt;10 and a &amp;&amp; b, as XHTML will parse the JavaScript code as parsed char...