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Performance surprise with “as” and nullable types

...ypes. The JIT compiler generates a call to a CLR helper function named JIT_Unbox_Nullable to get the job done. This is a general purpose function for any value type, lots of code there to check types. And the value is copied. Hard to estimate the cost since this code is locked up inside mscorwks...
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glob exclude pattern

...with patterns. For example to exclude manifests files (files starting with _) with glob, you can use: files = glob.glob('files_path/[!_]*') share | improve this answer | ...
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Best practices for API versioning? [closed]

...ressing scheme becomes public and therefore final. This method applies to HTTP verb semantics (e.g. PUT should always update/replace) and HTTP status codes that are supported in earlier API versions (they should continue to work so that API clients that have worked without human intervention should...
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What is exactly the base pointer and stack pointer? To what do they point?

... For your updated question, the missing two entries in the stack are: var_C = dword ptr -0Ch var_8 = dword ptr -8 var_4 = dword ptr -4 *savedFramePointer = dword ptr 0* *return address = dword ptr 4* hInstance = dword ptr 8h PrevInstance = dword ptr 0C hlpCmdLine = dword ptr 10h nShowCmd = dwor...
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process.env.NODE_ENV is undefined

... I don't think I missed anything but whenever I call the process.env.NODE_ENV the only value I get back is undefined. According to my research the default value should be 'development'. How is this value dynamically set and where is it set initially? ...
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Iterate through object properties

...and not one inherited from the base class. A good explanation: brianflove.com/2013/09/05/javascripts-hasownproperty-method – Kyle Richter Apr 28 '14 at 20:02 ...
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What should I set JAVA_HOME environment variable on macOS X 10.6?

...cations that use shell scripts to configure their environment use the JAVA_HOME environment variable to start the correct version of Java, locate JRE JARs, and so on. ...
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How to remove the left part of a string?

...(filename): if line.startswith(varname + sep): head, sep_, tail = line.partition(sep) # instead of `str.split()` assert head == varname assert sep_ == sep return tail Parse INI-like file with ConfigParser from ConfigParser import SafeConfigParse...
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psql: FATAL: Ident authentication failed for user “postgres”

... Did you set the proper settings in pg_hba.conf? See https://help.ubuntu.com/stable/serverguide/postgresql.html how to do it. share | improve this answer | follow ...
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Unable to create Android Virtual Device

...owing : Check if there exist a "default" folder in adt-bundle-windows-x86_64-20131030\sdk\system-images\android-17. If it exists then move the contents(downloaded system images) of the "default" folder to adt-bundle-windows-x86_64-20131030\sdk\system-images\android-17. Hope this helps. ...