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Cannot use ref or out parameter in lambda expressions
...e current method frame as its value can be accessed after the method frame is no longer on the stack
Func<int> Example(int p1) {
return () => p1;
}
Another property of captured variables is that changes to the variable are also visible outside the lambda expression. For example the fo...
How do I build a numpy array from a generator?
...require their length to be set explicitly at creation time, unlike python lists. This is necessary so that space for each item can be consecutively allocated in memory. Consecutive allocation is the key feature of numpy arrays: this combined with native code implementation let operations on them exe...
“Add unimplemented methods” feature in the Android Studio
In the Eclipse IDE there is a great feature allows you to add (implement) all of the required methods of the particular class. I'm looking for this feature in the Android Studio IDE, but without success so far. Is there something similar? For me it is one of the key-features and can't live without.
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Why does the CheckBoxFor render an additional input tag, and how can I get the value using the FormC
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Have a look here:
http://forums.asp.net/t/1314753.aspx
This isn't a bug, and is in fact the same approach that both Ruby on
Rails and MonoRail use.
When you submit a form with a checkbox, the value is only posted if
the checkbox is checked. So, if you leave the checkbox un...
In Objective-C, what is the equivalent of Java's “instanceof” keyword?
I would like to check whether an object (e.g. someObject ) is assignable (cast-able) to a variable of another type (e.g. SpecifiedType ). In Java, I can write:
...
How to parse JSON in Java
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The org.json library is easy to use. Example code below:
import org.json.*;
String jsonString = ... ; //assign your JSON String here
JSONObject obj = new JSONObject(jsonString);
String pageName = obj.getJSONObject("pageInfo").getString("pageNam...
How to negate the whole regex?
...arounds can be used to assert that a pattern matches. Negative lookarounds is the opposite: it's used to assert that a pattern DOES NOT match. Some flavor supports assertions; some puts limitations on lookbehind, etc.
Links to regular-expressions.info
Lookahead and Lookbehind Zero-Width Assertion...
argparse store false if unspecified
How can I store false if -auto is unspecified? I can faintly remember that this way, it stores None if unspecified
4 Answ...
How to set background color of a View
I'm trying to set the background color of a View (in this case a Button).
20 Answers
2...
What is the best way to measure execution time of a function? [duplicate]
...me.Now.After - DateTime.Now.Before but there must be something more sophisticated.
4 Answers
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