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What is a “context bound” in Scala?
... function f on a range of numbers from 0 until a given length. Up to Scala 2.7, tabulate could be
written as follows:
def tabulate[T](len: Int, f: Int => T) = {
val xs = new Array[T](len)
for (i <- 0 until len) xs(i) = f(i)
xs
}
In Scala 2.8 this is no longer possible, because r...
How to read keyboard-input?
...\n' % (nb))
But both options (str.format() and %) do work in both Python 2.7 and Python 3.
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What is the best way to solve an Objective-C namespace collision?
...times the initials refer to the project, e.g. Adium prefixes classes with "AI" (as there is no company behind it of that you could take the initials). Apple prefixes classes with NS and says this prefix is reserved for Apple only.
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How many socket connections can a web server handle?
... per second). Scala and Clojure rank further down. Python ranks at 29th at 2.7M per second.
At the bottom of the list, I note laravel and cakephp, rails, aspnet-mono-ngx, symfony, zend. All below 10k per second. Note, most of these frameworks are build for dynamic pages and quite old, there may be n...
Strip HTML from strings in Python
... Python version). It's included in Google App Engine, and used by Jinja2 (2.7 and up), Mako, Pylons, and more. It works easily with Django templates from Django 1.7.
Django's strip_tags and other html utilities from a recent version are good, but I find them less convenient than MarkupSafe. They...
ASP.NET Web Site or ASP.NET Web Application?
...on packages.config Package Restore now works with Web Sites starting NuGet 2.7
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Manually raising (throwing) an exception in Python
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This is a great answer. But I still work with a lot of 2.7 code, and I often find myself wanting to add information to an unexpected exception, like an input file position or the values of some variables, but keep the original stack and exception. I can log it, but sometimes I do...
乐高机器人®组件 · App Inventor 2 中文网
... 各版本对比 App上架指南 入门必读 IoT专题 AI2拓展 Aia Store 关于 关于我们 发布日志 服务条款 搜索 ...
How to get string objects instead of Unicode from JSON?
...fficient and elegant. However, if you're stuck in the realm of Python < 2.7, as I am, you will need to replace the line: return { byteify(key, ignore_dicts=True): _byteify(value, ignore_dicts=True) for key, value in data.iteritems() } with return dict((_byteify(key, ignore_dicts=True), _byteify(v...
File input 'accept' attribute - is it useful?
Implementing a file upload under html is fairly simple, but I just noticed that there is an 'accept' attribute that can be added to the <input type="file" ...> tag.
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