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Scanning Java annotations at runtime [closed]
...API
A component provider that scans the classpath from a base package. It then applies exclude and include filters to the resulting classes to find candidates.
ClassPathScanningCandidateComponentProvider scanner =
new ClassPathScanningCandidateComponentProvider(<DO_YOU_WANT_TO_USE_DEFALT_F...
How would you count occurrences of a string (actually a char) within a string?
...ealised I wanted to count how many / s I could find in a string, and then it struck me, that there were several ways to do it, but couldn't decide on what the best (or easiest) was.
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Undo changes in entity framework entities
this might be a trivial question but: Since ADO.NET entity framework automatically tracks changes (in generated entities) and therefore keeps the original values, how can I rollback changes made to the entity objects?
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Same Navigation Drawer in different Activities
I made a working navigation drawer like it's shown in the tutorial on the developer.android.com website. But now, I want to use one Navigation Drawer, i created in the NavigationDrawer.class for multiple Activities in my Application.
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405 method not allowed Web API
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You are POSTing from the client:
await client.PostAsJsonAsync("api/products", product);
not PUTing.
Your Web API method accepts only PUT requests.
So:
await client.PutAsJsonAsync("api/products", product);
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Python list subtraction operation
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Use a list comprehension:
[item for item in x if item not in y]
If you want to use the - infix syntax, you can just do:
class MyList(list):
def __init__(self, *args):
super(MyList, self).__init__(args)
def __sub__(self, other):
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Propagate all arguments in a bash shell script
I am writing a very simple script that calls another script, and I need to propagate the parameters from my current script to the script I am executing.
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When should I use the HashSet type?
I am exploring the HashSet<T> type, but I don't understand where it stands in collections.
11 Answers
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Private virtual method in C++
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Herb Sutter has very nicely explained it here.
Guideline #2: Prefer to make virtual functions private.
This lets the derived classes override the function to customize the behavior as needed, without further exposing the virtual functions directly by making the...
Case insensitive XPath contains() possible?
...acters you expect to see.
If you can, mark the text that interests you with some other means, like enclosing it in a <span> that has a certain class while building the HTML. Such things are much easier to locate with XPath than substrings in the element text.
If that's not an option, you c...