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Convert a python dict to a string and back
... @AJ00200: and the ast.literal_eval alternative I mentioned?. From the Python help: "Safely evaluate an expression node or a string containing a Python expression. The string or node provided may only consist of the following Python literal structures: strings, numbers, tuples, lists, d...
Writing a Python list of lists to a csv file
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For Python 3 compatibility, remove the "b" from "wb".
– Vlad V
May 14 '15 at 11:54
28
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Calling C++ class methods via a function pointer
...called a "class method" or a "static member function". The main difference from a non-member function is that, if you reference it from outside the class, you must specify the scope using the :: scope resolution operator. For example, to get the function pointer, use &myclass::myfunction and to ...
Python logging not outputting anything
... (logger1 is logger2) == True
# Convenient methods in order of verbosity from highest to lowest
logger.debug("this will get printed")
logger.info("this will get printed")
logger.warning("this will get printed")
logger.error("this will get printed")
logger.critical("this will get printed")
# In l...
An async/await example that causes a deadlock
...issue again in an ASP.NET MVC project. When you want to call async methods from a PartialView, you're not allowed to make the PartialView async. You'll get an exception if you do.
You can use the following simple workaround in the scenario where you want to call an async method from a sync method:
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Rake just one migration
... To expand on what Ryan says, if the table has been dropped from the database outside of Rails, rake db:migrate:up VERSION=my_version may do nothing, because the schema_migrations table still says it is has been run. In the same situation rake db:migrate:redo VERSION=my_version may fa...
How to verify if a file exists in a batch file?
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Just something to note from the IF /? help file: The ELSE clause must occur on the same line as the command after the IF. This burned me. hope it helps you.
– funkymushroom
Feb 27 '14 at 17:58
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Difference between e.target and e.currentTarget
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comment from @poke above is the best answer "currentTarget is always the object listening, target is the actual target that received the event"
– PandaWood
Apr 1 '16 at 6:21
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The character encoding of the HTML document was not declared
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You have to change the file from .html to .php.
and add this following line
header('Content-Type: text/html; charset=utf-8');
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How can I access getSupportFragmentManager() in a fragment?
... fragManager = myContext.getSupportFragmentManager(); //If using fragments from support v4
or
FragmentManager fragManager = myContext.getFragmentManager();
You are done.
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