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In Python, how can you load YAML mappings as OrderedDicts?

... Update: In python 3.6+ you probably don't need OrderedDict at all due to the new dict implementation that has been in use in pypy for some time (although considered CPython implementation detail for now). Update: In python 3.7+, the insertion-order preservation nature of dict objects h...
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What is the best way to create constants in Objective-C

...he file in the Reddit-Prefix.pch file to make the constants available to all the files. Is it a good way of doing things? Also, I've done my research and found several methods to create constants, but I don't know which one to use: ...
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Getting the first character of a string with $str[0]

...am just not sure whether this is 'good practice', as that notation is generally used with arrays. This feature doesn't seem to be very well documented so I'm turning to you guys to tell me if it's all right – in all respects – to use this notation? ...
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Does Swift have documentation generation support?

Many languages support documentation comments to allow a generator (like javadoc or doxygen ) to generate code documentation by parsing that same code. ...
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Where IN clause in LINQ [duplicate]

... source, params T[] list) { return list.Contains(source); } Now you call: var states = _objdatasources.StateList().Where(s => s.In(countrycodes)); You can pass individual values too: var states = tooManyStates.Where(s => s.In("x", "y", "z")); Feels more natural and closer to sql. ...
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搭建高可用mongodb集群(二)—— 副本集 - 大数据 & AI - 清泛网 - 专注C/...

...(config); #输出成功 { "info" : "Config now saved locally. Should come online in about a minute.", "ok" : 1 } #查看日志,副本集启动成功后,138为主节点PRIMARY,136、137为副本节点SECONDARY。 Sun Dec 29 20:26:13.842 [conn3] replSet repl...
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Naming cookies - best practices [closed]

... @Emanuil: To distinguish it from all the other cookies generated by other apps on the same domain. – Ignacio Vazquez-Abrams Sep 19 '12 at 20:50 ...
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Why should text files end with a newline?

I assume everyone here is familiar with the adage that all text files should end with a newline. I've known of this "rule" for years but I've always wondered — why? ...
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How to post data to specific URL using WebClient in C#

...s the garbage collector will clean up unmanaged resources and the like by calling the destructor (e.g., WebClient inherits from Component, which contains ~Component() {Dispose(false);}). The problem is that the garbage collector may take an arbitrarily long time to do so, since it does not account ...
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Response.Redirect to new window

... Dude, this is fantastic solution that actually works! Thank you. – Klaus Nji Nov 14 '14 at 21:31 ...