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C# DateTime.Now precision

I just ran into some unexpected behavior with DateTime.UtcNow while doing some unit tests. It appears that when you call DateTime.Now/UtcNow in rapid succession, it seems to give you back the same value for a longer-than-expected interval of time, rather than capturing more precise millisecond incre...
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How to debug a single thread in Visual Studio?

I have a solution with some projects. There are several break-points in different projects. I want to trace the first thread hit one of these break-points and continue tracing that single thread despite of other threads entering the same code-blocks. ...
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Get last n lines of a file, similar to tail

I'm writing a log file viewer for a web application and for that I want to paginate through the lines of the log file. The items in the file are line based with the newest item on the bottom. ...
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“Conversion to Dalvik format failed with error 1” on external JAR

...cts selected below » select your project and click OK. That should work. It is also possible that you have a JAR file located somewhere in your project folders (I had copied the Admob JAR file into my src folder) and THEN added it as a Java Path Library. It does not show up under the Package Explo...
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Why can't Python find shared objects that are in directories in sys.path?

...IBRARY_PATH. Check if your LD_LIBRARY_PATH includes /usr/local/lib, and if it doesn't, add it and try again. Some more information (source): In Linux, the environment variable LD_LIBRARY_PATH is a colon-separated set of directories where libraries should be searched for first, before th...
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Django Template Variables and Javascript

... The {{variable}} is substituted directly into the HTML. Do a view source; it isn't a "variable" or anything like it. It's just rendered text. Having said that, you can put this kind of substitution into your JavaScript. <script type="text/javasc...
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Overload with different return type in Java?

Why is it not possible to overload a function just by changing the return type? Will that change in a future version of Java? ...
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Rails: How do I create a default value for attributes in Rails activerecord's model? [duplicate]

I want to create a default value for an attribute by defining it in ActiveRecord. By default everytime the record is created, I want to have a default value for attribute :status . I tried to do this: ...
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How can I send an inner to the bottom of its parent ?

... This is one way <div style="position: relative; width: 200px; height: 150px; border: 1px solid black;"> <div style="position: absolute; bottom: 0; width: 100%; ...
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MVC pattern on Android

Is it possible to implement the model–view–controller pattern in Java for Android? 21 Answers ...