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How to install a specific version of a ruby gem?
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answered Jun 10 '13 at 14:37
mjsmjs
54.3k2424 gold badges7979 silver badges111111 bronze badges
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How to merge a transparent png image with another image using PIL
....png")
foreground = Image.open("test2.png")
background.paste(foreground, (0, 0), foreground)
background.show()
First parameter to .paste() is the image to paste. Second are coordinates, and the secret sauce is the third parameter. It indicates a mask that will be used to paste the image. If you p...
Google Map API V3: How to add Custom data to markers
...ew google.maps.Marker({
map: map,
position: new google.maps.LatLng(0, 0),
customInfo: "Marker A"
});
var markerB = new google.maps.Marker({
map: map,
position: new google.maps.LatLng(-10, 0)
});
markerB.customInfo = "Marker B";
var markerC = new google.maps.Marker({
map: ma...
How do I decode a string with escaped unicode?
...ouble searching for it. How can I decode a string with unicode from http\u00253A\u00252F\u00252Fexample.com to http://example.com with JavaScript? I tried unescape , decodeURI , and decodeURIComponent so I guess the only thing left is string replace.
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sqlalchemy flush() and get inserted id?
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edited Sep 1 '19 at 0:32
MarredCheese
7,36355 gold badges4949 silver badges5757 bronze badges
answ...
Efficiently checking if arbitrary object is NaN in Python / numpy / pandas?
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170
pandas.isnull() (also pd.isna(), in newer versions) checks for missing values in both numeric an...
How can I initialize an ArrayList with all zeroes in Java?
... the initial number of elements in the list).
To initialize an list with 60 zeros you do:
List<Integer> list = new ArrayList<Integer>(Collections.nCopies(60, 0));
If you want to create a list with 60 different objects, you could use the Stream API with a Supplier as follows:
List&...
PHP function to make slug (URL string)
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edited Jul 17 '18 at 20:04
leoap
1,48833 gold badges2222 silver badges2929 bronze badges
answered Ju...
Is there a version of JavaScript's String.indexOf() that allows for regular expressions?
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130
Combining a few of the approaches already mentioned (the indexOf is obviously rather simple), I ...
Instance attribute attribute_name defined outside __init__
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170
The idea behind this message is for the sake of readability. We expect to find all the attribute...