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Refresh image with a new one at the same url

...ppend the current timestamp automatically when you are creating the image, and it will make the browser look again for the image instead of retrieving the one in the cache. share | improve this answ...
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Forward declaring an enum in C++

... char or an int, or something else. From Section 7.2.5 of the ISO C++ Standard: The underlying type of an enumeration is an integral type that can represent all the enumerator values defined in the enumeration. It is implementation-defined which integral type is used as the underlying type fo...
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Clang vs GCC for my Linux Development project

I'm in college, and for a project we're using C. We've explored GCC and Clang, and Clang appears to be much more user friendly than GCC. As a result, I'm wondering what the advantages or disadvantages are to using clang, as opposed to GCC, for developing in C and C++ on Linux? ...
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New features in java 7

What new features in java 7 is going to be implemented? And what are they doing now? 8 Answers ...
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Can we instantiate an abstract class?

... are creating an instance of an anonymous subclass of your abstract class. And then you are invoking the method on your abstract class reference pointing to subclass object. This behaviour is clearly listed in JLS - Section # 15.9.1: - If the class instance creation expression ends in a class b...
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The tilde operator in Python

... the integer are reversed (as in b <- b XOR 1 for each individual bit), and the result interpreted again as a twos-complement integer. So for integers, ~x is equivalent to (-x) - 1. The reified form of the ~ operator is provided as operator.invert. To support this operator in your own class, g...
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Git: How to squash all commits on branch

... HEAD)) [That] automatically uses the branch you are currently on. And if you use that, you can also use an alias, as the command doesn't rely on the branch name. share | improve this answe...
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Is there a way to loop through a table variable in TSQL without using a cursor?

... — set based operations will perform faster in every case I can think of and will normally use simpler code. Depending on your data it may be possible to loop using just SELECT statements as shown below: Declare @Id int While (Select Count(*) From ATable Where Processed = 0) > 0 Begin Se...
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How to duplicate a git repository? (without forking)

I have two repositories, and I need to copy whole of one onto the other empty one which has different access levels from the first one. The copy and the mother repository should not be linked together. ...
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How to limit google autocomplete results to City and Country only

... suggested results for my searchbox , what I need is to only show the city and the country related to the characters entered but google api will give a lot of general places results which I dont need , so how to limit the result to show only city and the country . ...