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How to convert a std::string to const char* or char*?

... Notice that the above is not exception safe. If anything between the new call and the delete call throws, you will leak memory, as nothing will call delete for you automatically. There are two immediate ways to solve this. boost::scoped_array boost::scoped_array will delete the memory for you upo...
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How do I unload (reload) a Python module?

.... When targeting 3 or later, either reference the appropriate module when calling reload or import it. I think that this is what you want. Web servers like Django's development server use this so that you can see the effects of your code changes without restarting the server process itself. To quo...
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Symfony 2: How do I check if a user is not logged in inside a template?

...any user is logged in. {% if app.user %} # user is logged in (any and all users, regardless of ROLE_*) {% elseif not app.user %} # user is not logged in (note the `not` in the `elseif` statement) {% endif %} Checking authentication status You can use the is_granted() method to check fo...
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Unable to execute dex: Multiple dex files define Lcom/myapp/R$array;

...ing the Java Build Path and seeing this new item, and unchecking the originally-included support library solved the problem for me. – Tom Pace Sep 26 '13 at 17:20 9 ...
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Convert form data to JavaScript object with jQuery

How do I convert all elements of my form to a JavaScript object? 51 Answers 51 ...
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Can someone explain Microsoft Unity?

...). I'm familiar with the MVPC pattern (we use it here), but I just can't really grasp this Unity thing yet, and I think it's the next step in our application design. ...
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AngularJS and its use of Dollar Variables

...="n = { visible: 'foo', $ignore: 'bar' };">{{ n }}</div> Additionally when adding an explicit watcher on a scope object, changes to properties with a leading dollar sign of this object will not trigger the watcher. See this updated fiddle. angular.equals() ignores keys prefixed with $. ...
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What do the python file extensions, .pyc .pyd .pyo stand for?

... .py: This is normally the input source code that you've written. .pyc: This is the compiled bytecode. If you import a module, python will build a *.pyc file that contains the bytecode to make importing it again later easier (and faster). .pyo...
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How to convert an array to object in PHP?

...lue) { $object->$key = $value; } As Edson Medina pointed out, a really clean solution is to use the built-in json_ functions: $object = json_decode(json_encode($array), FALSE); This also (recursively) converts all of your sub arrays into objects, which you may or may not want. Unfortunat...
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Switching between GCC and Clang/LLVM using CMake

...xt with the following contents: SET (CMAKE_C_FLAGS_INIT "-Wall -std=c99") SET (CMAKE_C_FLAGS_DEBUG_INIT "-g") SET (CMAKE_C_FLAGS_MINSIZEREL_INIT "-Os -DNDEBUG") SET (CMAKE_C_FLAGS_RELEASE_INIT "-O3 -DNDEBUG") SET (CMAKE_C_FLAGS_RELWITHDEBINFO_INIT "-O2 -g") SET (...