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In Python how should I test if a variable is None, True or False

..."result pass" else: print "result fail" # execution continues from here, regardless of exception or not And now you can have a much richer type of notification from the simulate method as to what exactly went wrong, in case you find error/no-error not to be informative enough. ...
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How to get the current date/time in Java [duplicate]

...milliseconds after the UNIX epoch (as a Java long). This value is a delta from a UTC time-point, and is independent of the local time-zone ... assuming that the system clock has been set correctly. If you want the date / time in a form that allows you to access the components (year, month, etc) num...
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Check if $_POST exists

... if( isset($_POST['fromPerson']) ) { $fromPerson = '+from%3A'.$_POST['fromPerson']; echo $fromPerson; } share | improve this answer...
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Install go with brew, and running the gotour

...d for me on OSX 10.12 (Sierra) and Go v1.7.1 using Homebrew: I added this from Kosh's answer to my .zshrc or .bashrc: # Go development export GOPATH="${HOME}/.go" export GOROOT="$(brew --prefix golang)/libexec" export PATH="$PATH:${GOPATH}/bin:${GOROOT}/bin" test -d "${GOPATH}" || mkdir "${GOPATH...
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How to check whether a variable is a class or not?

... That was taken from the inspect module so I doubt it doesn't work. It's simple to check with Python2.7 for example In [8]: class NewStyle(object): ...: pass ...: In [9]: isinstance(NewStyle, (type, types.ClassType)) ...
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What does character set and collation mean exactly?

... From MySQL docs: A character set is a set of symbols and encodings. A collation is a set of rules for comparing characters in a character set. Let's make the distinction clear with an example of an imaginary ch...
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Using python's eval() vs. ast.literal_eval()?

...ery powerful, but is also very dangerous if you accept strings to evaluate from untrusted input. Suppose the string being evaluated is "os.system('rm -rf /')" ? It will really start deleting all the files on your computer. ast.literal_eval: Safely evaluate an expression node or a string containing a...
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Meaning of Choreographer messages in Logcat [duplicate]

...ou will still skip 30 frames (naughty!) but you won't be warned about it. From the 3 steps involved its clear that it isn't only animations that can trigger the warning: Invalidating a significant portion of a large View hierarchy or a View with a complicated onDraw method might be enough. For exa...
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How can I determine if a .NET assembly was built for x86 or x64?

...me.GetAssemblyName(string assemblyFile) You can examine assembly metadata from the returned AssemblyName instance: Using PowerShell: [36] C:\> [reflection.assemblyname]::GetAssemblyName("${pwd}\Microsoft.GLEE.dll") | fl Name : Microsoft.GLEE Version : 1.0.0.0 C...
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How to convert OutputStream to InputStream?

I am on the stage of development, where I have two modules and from one I got output as a OutputStream and second one, which accepts only InputStream . Do you know how to convert OutputStream to InputStream (not vice versa, I mean really this way) that I will be able to connect these two part...