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Why use Abstract Base Classes in Python?
...a staticly-typed language, that contract would actually be enforced by the compiler. In Python, you can use EAFP or type introspection to confirm that the unknown object meets this expected contract.
But there are also higher-level, semantic promises in the contract.
For example, if there is a __str...
“render :nothing => true” returns empty plaintext file?
...correct, or isn't correctly interpreted in your browser. Double check your http headers to see what content type the response is.
If it's anything other than text/html, you can try to manually set the content type like this:
render :nothing => true, :status => 200, :content_type => 'text/...
IOCTL Linux device driver [closed]
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Another method for heavier use is netlink, which is an IPC (inter-process communication) method to talk to your driver over a BSD socket interface. This is used, for example, by the WiFi drivers. You then communicate with it from userspace using the libnl or libnl3 libraries.
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pip broke. how to fix DistributionNotFound error?
...rs about wheel when you use pip. At that point look at this: stackoverflow.com/questions/20905350/…
– mchicago
Jan 17 '14 at 22:23
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How do you set a default value for a MySQL Datetime column?
... `modification_time` DATETIME ON UPDATE CURRENT_TIMESTAMP
)
Reference:
http://optimize-this.blogspot.com/2012/04/datetime-default-now-finally-available.html
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From an array of objects, extract value of a property as array
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Well, this is same as another answer's comment by totymedli, but none-the-less it's actually better (in my opinion) way than in other answers, so... Changing it to accepted answer.
– hyde
Oct 11 '17 at 17:52
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How to read environment variables in Scala
...o override foo if an environment variable VAR_NAME exist.
More details in https://github.com/typesafehub/config#optional-system-or-env-variable-overrides
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Extension methods cannot be dynamically dispatched
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
How do you access the matched groups in a JavaScript regular expression?
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@ianaz: I don't believe 'tis true? http://jsfiddle.net/weEg9/ seems to work on Chrome, at least.
– spinningarrow
Oct 16 '12 at 7:26
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