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Save image from URL by paperclip
Please suggest me a way to save an image from an URL by Paperclip.
8 Answers
8
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How can I selectively merge or pick changes from another branch in Git?
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Confused by the debate over which approach is 'correct'? Consider the difference between files & commits (see Remarks at bottom). OP wants to merge FILES & does not mention COMMITS. The higher-voted answer is specific to files...
Difference between HBase and Hadoop/HDFS
...e tables. Just as Bigtable leverages the distributed data storage provided by the Google File System, Apache HBase provides Bigtable-like capabilities on top of Hadoop and HDFS.
When to use HBase:
If your application has a variable schema where each row is slightly different
If you find that your...
How to generate a range of numbers between two numbers?
...00*hundreds.n + 1000*thousands.n BETWEEN @userinput1 AND @userinput2
ORDER BY 1
Demo
A shorter alternative, that is not as easy to understand:
WITH x AS (SELECT n FROM (VALUES (0),(1),(2),(3),(4),(5),(6),(7),(8),(9)) v(n))
SELECT ones.n + 10*tens.n + 100*hundreds.n + 1000*thousands.n
FROM x ones...
contenteditable change events
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I'd suggest attaching listeners to key events fired by the editable element, though you need to be aware that keydown and keypress events are fired before the content itself is changed. This won't cover every possible means of changing the content: the user can also use cut, c...
Union Vs Concat in Linq
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Union returns Distinct values. By default it will compare references of items. Your items have different references, thus they all are considered different. When you cast to base type X, reference is not changed.
If you will override Equals and GetHashCod...
Android activity life cycle - what are all these methods for?
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activity's previously frozen state, if there was one. Always followed
by onStart().
onRestart():
Called after your activity has been stopped, prior to it being started
again. Always followed by onStart()
onStart():
Called when the activity is becoming visible to the user. Followed...
MySQL/Amazon RDS error: “you do not have SUPER privileges…”
...ter group defined previously. For more detail see this original blog post by Daniel Ferbers: techtavern.wordpress.com/2013/06/17/…
– AndrewL
May 2 '18 at 23:17
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Install an apk file from command prompt?
...s: adb -d install file.apk installs to the single Android device connected by USB [see] while adb install -d file.apk installs the APK with a possible downgrade [see].
– tanius
Mar 4 '16 at 16:26
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Best branching strategy when doing continuous integration?
...uise Control, I also blogged about task branches and CI here. It's an step by step tutorial explaning how to do it with Plastic SCM.
Finally, I found some of the topics about CI (and potentially talking about branching) at Duvall's book on CI very interesting too.
Hope you find the links interesti...