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How to “test” NoneType in python?

...r is not None. Original Answer: The simplest way however, without the extra line in addition to cardamom's answer is probably: isinstance(x, type(None)) So how can I question a variable that is a NoneType? I need to use if method Using isinstance() does not require an is within the if-s...
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Change Twitter Bootstrap Tooltip content on click

... Just found this today whilst reading the source code. So $.tooltip(string) calls any function within the Tooltip class. And if you look at Tooltip.fixTitle, it fetches the data-original-title attribute and replaces the title value with it. So we simply do: $(element).tooltip('hide') ...
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What is “pom” packaging in maven?

...r packaging types. We use pom packaging for many of our projects and bind extra phases and goals as appropriate. For example some of our applications use: prepare-package -> test -> package -> install -> deploy When you mvn install the application it should add it to your locally .m...
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Finding the Eclipse Version Number

...uring out the version of eclipse\plugins\org.eclipse.platform_ plugin String platformFile = <the above file>; //actually directory versionPattern = Pattern.compile("\\d\\.\\d\\.\\d"); Matcher m = versionPattern.matcher(platformFile); return m.group(); ...
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How to completely remove a dialog on close

..., in my example, I went with the extremely simple option of just dumping a string withing the dialog div: $('#myDialog').html("Ooops."); You could modify this to change the content of any sub-controls in the dialog div as well. – Fiona - myaccessible.website Ma...
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Writing your own STL Container

... Code is runnable out of the box. #include <iostream> #include <string> #include <vector> template<typename T> struct It { std::vector<T>& vec_; int pointer_; It(std::vector<T>& vec) : vec_{vec}, pointer_{0} {} It(std::vector<T>&...
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The import javax.servlet can't be resolved [duplicate]

...vlet API the server provides. Following steps solved it without adding an extra Servlet-API to the Java Build Path (Eclipse version: Luna): Right click on your "Dynamic Web Project" Select Properties Select Project Facets in the list on the left side of the "Properties" wizard On the right side o...
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UnicodeDecodeError when reading CSV file in Pandas with Python

...the right one just because no exception is thrown. You need to look at the strings and figure out whether the interpretation makes sense. For example, if you get "hors d’½uvre" instead of "hors d’œuvre" you probably need to switch from ISO-8859-1 to ISO-8859-15. – Joachim...
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How do I use spaces in the Command Prompt?

...r Name\New Folder" CMD interprets text with double quotes ("xyz") as one string and text within single quotes ('xyz') as a command. For example: FOR %%A in ('dir /b /s *.txt') do ('command') FOR %%A in ('dir /b /s *.txt') do (echo "%%A") And one good thing, cmd is not* case sensitive li...
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Get the Last Inserted Id Using Laravel Eloquent

...d is NOT autoincrement, this will always return 0. In my case the id was a string (UUID) and for this to work I had to add public $incrementing = false; in my model. – Luís Cruz Apr 20 '15 at 17:18 ...