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How to return a value from __init__ in Python?
...turn 42
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>>> foo = Foo()
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: __init__() should return None
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Gradle proxy configuration
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For me, works adding this configuration in the gradle.properties file of the project, where the build.gradle file is:
systemProp.http.proxyHost=proxyURL
systemProp.http.proxyPort=proxyPort
systemProp.http.proxyUser=USER
systemProp.http.proxyPassword=PASSWORD
systemProp.https.proxyHost=pro...
Android: Bitmaps loaded from gallery are rotated in ImageView
...u need to create an ExifInterface:
ExifInterface exif = new ExifInterface(filename);
You can then grab the orientation of the image:
orientation = exif.getAttributeInt(ExifInterface.TAG_ORIENTATION, 1);
Here's what the orientation values mean:
http://sylvana.net/jpegcrop/exif_orientation.html
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Android View shadow
...software like Photoshop and draw it.
Don't forget to save it as .9.png file (example: my_background.9.png)
Read the documentation: Draw 9-patch
Edit 2
An even better and less hard working solution is to use a CardView and set app:cardPreventCornerOverlap="false" to prevent views to overlap th...
Convert integer to string Jinja
...ers. Btw, in my case I've got integers as strings coming from JSON content files: "hero_title_img_w": "111" and "hero_title_img2_w": "222". Then I'm adding them in .NJK file: {{ hero_title_img_w|int + hero_title_img2_w|int }} to use as image's width attribute. Hope it helps somebody one day.
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Removing list of vms in vagrant cache
...nt's knowledge of the VM it managed in that directory was removed when its files managing the VM were. It's the hypervisor's problem now.
– bschlueter
Aug 9 '16 at 20:25
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What do Clustered and Non clustered index actually mean?
... that isn't the case. SQL Server certainly doesn't guarantee that all data files are laid out in a contiguous physical area of disc and there is zero file system fragmentation. It isn't even true that a clustered index is in order within the data file. The degree to which this isn't the case is the ...
Postgres: clear entire database before re-creating / re-populating from bash script
...need a backup of the database dumped onto disk in a plain-text .sql script file format, you could connect pg_dump and pg_restore directly together over a pipe.
To drop and recreate tables, you could use the --clean command-line option for pg_dump to emit SQL commands to clean (drop) database object...
How to prevent form resubmission when page is refreshed (F5 / CTRL+R)
...href );
}
</script>
Proof of concept here: https://dtbaker.net/files/prevent-post-resubmit.php
I would still recommend a Post/Redirect/Get approach, but this is a novel JS solution.
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XPath query to get nth instance of an element
There is an HTML file (whose contents I do not control) that has several input elements all with the same fixed id attribute of "search_query" . The contents of the file can change, but I know that I always want to get the second input element with the id attribute "search_query" .
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