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C# 4 default parameter values: How to assign a default DateTime/object value? [duplicate]

If DateTime is an object and default C# parameters can only be assigned compile-time constants, how do you provide default values for objects like DateTime? ...
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Validating with an XML schema in Python

I have an XML file and an XML schema in another file and I'd like to validate that my XML file adheres to the schema. How do I do this in Python? ...
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Learning Python from Ruby; Differences and Similarities

...ently. For those who know both, what concepts are similar between the two, and what are different? 5 Answers ...
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If threads share the same PID, how can they be identified?

...though it would possibly make more sense to call this a TID, or thread ID) and they also have a TGID (thread group ID) which is the PID of the thread that started the whole process. Simplistically, when a new process is created, it appears as a thread where both the PID and TGID are the same (new) ...
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Handlebars.js Else If

I'm using Handlebars.js for client side view rendering. If Else works great but I've encountered a 3 way conditional that requires ELSE IF: ...
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Function in JavaScript that can be called only once

...y once, in each time after the first it won't be executed. I know from C++ and Java about static variables that can do the work but I would like to know if there is a more elegant way to do this? ...
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What is the most robust way to force a UIView to redraw?

... building my view hierarchy. the subclass in question gets passed the data and it's drawRect method now has everything it needs to render. ...
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Make sure only a single instance of a program is running

... The following code should do the job, it is cross-platform and runs on Python 2.4-3.2. I tested it on Windows, OS X and Linux. from tendo import singleton me = singleton.SingleInstance() # will sys.exit(-1) if other instance is running The latest code version is available singleto...
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How do you round a float to two decimal places in jruby

...ution if you are looking for string output. – Dylan Vander Berg Aug 6 '17 at 4:33 this is right. I was generation rand...
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Leading zeros for Int in Swift

...ability provided by the Foundation framework. Note that both import UIKit and import Cocoa include Foundation so it isn't necessary to import it again if you've already imported Cocoa or UIKit. The format string can specify the format of multiple items. For instance, if you are trying to format...