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how to get the host url using javascript from the current page
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@MattBrowne When working with something that shall produce a string I'd say you should always use concat. In example var a = 1 + 2 + " should be 12"; vs the concat version of this var a = "".concat(1).concat(2).concat(" should be 12");. Using concat will save you a lot of...
Change text color of one word in a TextView
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Fixed, thanks! I don't recall if I copied this from actual code or from memory with a color generator website so it might not have worked before.
– Dan
May 14 '12 at 19:16
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Qt: can't find -lGL error
I just reinstalled QtCreator, created new project ( Qt Application ) an got this after compilation:
8 Answers
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What's the difference between JPA and Spring Data JPA?
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The Java Persistence API, sometimes referred to as JPA, is a Java framework managing relational data in applications using the Java Platform, Standard Edition (JavaSE) and Java Platform, Enterprise Edition(JavaEE).
Persistence in this contex...
How do you write tests for the argparse portion of a python module? [closed]
...turn parser.parse_args(args)
Then in your main function you should just call it with:
parser = parse_args(sys.argv[1:])
(where the first element of sys.argv that represents the script name is removed to not send it as an additional switch during CLI operation.)
In your tests, you can then call...
Efficient way to remove keys with empty strings from a dict
I have a dict and would like to remove all the keys for which there are empty value strings.
17 Answers
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Currency formatting in Python
...ting.
>>> import locale
>>> locale.setlocale( locale.LC_ALL, '' )
'English_United States.1252'
>>> locale.currency( 188518982.18 )
'$188518982.18'
>>> locale.currency( 188518982.18, grouping=True )
'$188,518,982.18'
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Adding code to a javascript function programmatically
...jects to control individual YouTube videos embedded via the YouTube Iframe API. You have no idea how long I've been trying to work around the fact that the API requires it's callback to be a single global function when I'm trying to create a class to handle each video's data in a unique modular way...
How to easily map c++ enums to strings
...xtra syntactic sugar, here's how to write a map_init class. The goal is to allow
std::map<MyEnum, const char*> MyMap;
map_init(MyMap)
(eValue1, "A")
(eValue2, "B")
(eValue3, "C")
;
The function template <typename T> map_init(T&) returns a map_init_helper<T>.
map...
print call stack in C or C++
Is there any way to dump the call stack in a running process in C or C++ every time a certain function is called? What I have in mind is something like this:
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