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Instantiating object of type parameter

...ngBuilder::new); Alternatively, you can provide a Class<T> object, and then use reflection. class MyClass<T> { private final Constructor<? extends T> ctor; private T field; MyClass(Class<? extends T> impl) throws NoSuchMethodException { this.ctor = impl.getCo...
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HttpURLConnection timeout settings

...as a setConnectTimeout method. Just set the timeout to 5000 milliseconds, and then catch java.net.SocketTimeoutException Your code should look something like this: try { HttpURLConnection.setFollowRedirects(false); HttpURLConnection con = (HttpURLConnection) new URL(url).openConnection();...
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Split string based on regex

...most regular expression operations are available as module-level functions and RegexObject methods. The functions are shortcuts that don’t require you to compile a regex object first, but miss some fine-tuning parameters." You can use re.split(re.split(pattern, string, maxsplit=0, flags=0)) as me...
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How do I use Linq to obtain a unique list of properties from a list of objects?

...operty. I'd like to be able to do this without looping through each object and pulling out the unique ids that I find. 5 An...
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How do you loop through currently loaded assemblies?

...gs like verify the database connection(s), display the current appSettings and ConnectionStrings, etc. A section of this page displays the Assembly versions of important types used throughout, but I could not figure out how to effectively show the versions of ALL of the loaded assemblies. ...
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NameError: name 'self' is not defined

...ot refer each other. It's a common pattern to default an argument to None and add a test for that in code: def p(self, b=None): if b is None: b = self.a print b share | improve th...
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How can I split and parse a string in Python?

...a fact that the string contains an underscore, you can even unpack the LHS and RHS into separate variables: In [8]: lhs, rhs = "2.7.0_bf4fda703454".split("_", 1) In [9]: lhs Out[9]: '2.7.0' In [10]: rhs Out[10]: 'bf4fda703454' An alternative is to use partition(). The usage is similar to the la...
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in entity framework code first, how to use KeyAttribute on multiple columns

...ty map to a PK column. But how can I define a PK on more then one column, and specifically, how can I control order of the columns in the index? Is it a result of the order of properties in the class? ...
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handlerbars.js check if list is empty

Is there a way in Handlebars.js templating to check if the collection or list is null or empty, before going and iterating through the list/collection? ...
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Stretch child div height to fill parent that has dynamic height

... It works and doesn't require any CSS on the child. That's because a CSS Grid cell will have auto row and cell by default. It actually works pretty nicely with IE if you use display: -ms-grid to avoid some flexbugs, as long you only ha...