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How can I use numpy.correlate to do autocorrelation?
...y's [result.size/2:] is the same as [len(x)-1:]. It's better to make it an int though, like [result.size//2:].
– Jason
Jul 4 '18 at 3:19
...
How to check if a char is equal to an empty space?
...g on a number of levels. Firstly, the way that the Java compiler tries to interpret that is as a call to a method with a signature of boolean Equals(char, String).
This is wrong because no method exists, as the compiler reported in the error message.
Equals wouldn't normally be the name of a me...
Initialize a nested struct
... Address: "addr",
Port: "port",
},
}
fmt.Println(c)
fmt.Println(c.Proxy.Address)
}
The less proper and ugly way but still works:
c := &Configuration{
Val: "test",
Proxy: struct {
Address string
Port string
}{
Address: ...
Removing duplicate objects with Underscore for Javascript
...ses a deep object comparison to check for duplicates (without resorting to converting to JSON, which is inefficient and hacky)
var newArr = _.filter(oldArr, function (element, index) {
// tests if the element has a duplicate in the rest of the array
for(index += 1; index < oldArr.length;...
What is the advantage of GCC's __builtin_expect in if else statements?
...
This may also embed hints for the CPU branch predictor, improving pipelining
– Hasturkun
Sep 8 '11 at 13:48
1
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View/edit ID3 data for MP3 files
...:
http://sourceforge.net/projects/mpg123net/
Included are the samples to convert mp3 file to PCM, and read ID3 tags.
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AngularJS and its use of Dollar Variables
...
Downvote converted to an up-. Assuming you're right, this is now a useful answer!
– David Rivers
May 6 '13 at 16:09
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Fastest method to replace all instances of a character in a string [duplicate]
...nces of foo with bar in the string str. If you just have a string, you can convert it to a RegExp object like this:
var pattern = "foobar",
re = new RegExp(pattern, "g");
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How To Save Canvas As An Image With canvas.toDataURL()?
... create a dummy HTML anchor, and download the image from there like...
// Convert canvas to image
document.getElementById('btn-download').addEventListener("click", function(e) {
var canvas = document.querySelector('#my-canvas');
var dataURL = canvas.toDataURL("image/jpeg", 1.0);
downl...
Get list from pandas DataFrame column headers
...pears, again
cols
# ['A', 'B', 'C']
... if you're the kind of person who converts coffee to typing sounds, well, this is going consume your coffee more efficiently ;)
P.S.: if performance is important, you will want to ditch the
solutions above in favour of
df.columns.to_numpy().tolist()
# ...