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Python: Select subset from list based on index set

... @PreludeAndFugue: If there are two equivalent options it's good to know which one is faster, and use that one right away. – fuenfundachtzig Jul 5 '10 at 11:42 ...
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Ensuring json keys are lowercase in .NET

... @Anzeo I have not tried to do that myself, and I did not find any information about that in the documentation. A solution would be to wrap JsonConvert.SerializeObject in your own class. See my update. – alexn Jun 21 '12 at 7:48 ...
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XDocument.ToString() drops XML Encoding Tag

... Either explicitly write out the declaration, or use a StringWriter and call Save(): using System; using System.IO; using System.Text; using System.Xml.Linq; class Test { static void Main() { string xml = @"<?xml version='1.0' encoding='utf-8'?> <Cooperations> ...
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Does Typescript support the ?. operator? (And, what's it called?)

... Update: it is supported as of TypeScript 3.7 and called Optional chaining: https://www.typescriptlang.org/docs/handbook/release-notes/typescript-3-7.html#optional-chaining I can't find any reference to it whatsoever in the TypeScript language specification. As far as ...
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How to print an exception in Python?

... For Python 2.6 and later and Python 3.x: except Exception as e: print(e) For Python 2.5 and earlier, use: except Exception,e: print str(e) share | ...
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CURL alternative in Python

...r.add_password(None, 'https://app.streamsend.com/emails', 'login', 'key') handler = urllib2.HTTPBasicAuthHandler(manager) director = urllib2.OpenerDirector() director.add_handler(handler) req = urllib2.Request('https://app.streamsend.com/emails', headers = {'Accept' : 'application/xml'}) result =...
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Show constraints on tables command

... PK/FK restraints? I saw this manual page, but it does not show examples and my google search was fruitless also. My database is credentialing1 and my constrained tables are practices and cred_insurances . ...
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Check if key exists and iterate the JSON array using Python

... Why do this explicit in checks and raise if they're missing? Just access it without checking, and you'll get exactly the same behavior (except with a KeyError instead of a ValueError). – abarnert Jul 22 '14 at 22:43 ...
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How does '20 seconds' work in Scala?

... There are a few things going on. First, Scala allows dots and parens to be omitted from many method calls, so 20 seconds is equivalent to 20.seconds()*. Second, an "implicit conversion" is applied. Since 20 is an Int and Int has no seconds method, the compiler searches for an impli...
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How to escape a single quote inside awk

..., with '\'' you close the opening ', then print a literal ' by escaping it and finally open the ' again. share | improve this answer | follow | ...