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rails - Devise - Handling - devise_error_messages

...hould help you get started. :) Another update The resource object is actually the model that is being used by devise (go figure). resource.class #=> User resource.errors.class #=> ActiveModel::Error It also appears to be defined in a higher scope (probably coming from the contro...
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Iterate a list as pair (current, next) in Python

...(b, None) return itertools.izip(a, b) How this works: First, two parallel iterators, a and b are created (the tee() call), both pointing to the first element of the original iterable. The second iterator, b is moved 1 step forward (the next(b, None)) call). At this point a points to s0 and b...
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Can Python print a function definition?

...pile a regular expression pattern, returning a pattern object." return _compile(pattern, flags) This will work in the interactive prompt, but apparently only on objects that are imported (not objects defined within the interactive prompt). And of course it will only work if Python can find th...
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BLE协议—广播和扫描 - 创客硬件开发 - 清泛IT社区,为创新赋能!

...广播方式的报文有4种,分别为可连接的非定向广播(ADV_IND)、可连接的定向广播(ADV_DIRECT_IND)、可扫描非定向广播(ADV_SCAN_IND)、不可连接的非定向广播(ADV_NONCONN_IND) 4种广播的使用场景各不相同 可连接的非定向广播(ADV...
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Min/Max-value validators in asp.net mvc

...MaxValueAttribute : ValidationAttribute { private readonly int _maxValue; public MaxValueAttribute(int maxValue) { _maxValue = maxValue; } public override bool IsValid(object value) { return (int) value <= _maxValue; ...
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NGINX to reverse proxy websockets AND enable SSL (wss://)?

... What about this timeout problem? Do we have really to set it to a very large number to avoid it? Isn't there now any more elegant solution? – Mohammed Noureldin Jan 4 '18 at 23:48 ...
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Fastest way to extract frames using ffmpeg?

... @Evi1M4chine just remove the -r parameter this will extract all frames – studioj Nov 15 '16 at 6:14 14 ...
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Why is extending native objects a bad practice?

...ody does it "the wrong way", and adds enumerable types to Object , practically destroying all loops on any object? 8 Answe...
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Java FileReader encoding issue

...to a string, but I found the result is wrongly encoded and not readable at all. 6 Answers ...
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What is the best way to repeatedly execute a function every x seconds?

...uler. import sched, time s = sched.scheduler(time.time, time.sleep) def do_something(sc): print("Doing stuff...") # do your stuff s.enter(60, 1, do_something, (sc,)) s.enter(60, 1, do_something, (s,)) s.run() If you're already using an event loop library like asyncio, trio, tkinter,...