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Is the pImpl idiom really used in practice?
...Like above, it's pure overhead and is related with how real-life C++ build systems work.
Of course, recompilation is not needed when you just modify the implementation of the methods (because you don't touch the header), but that's on par with the standard header/implementation technique.
Is ...
LINQ to Entities only supports casting EDM primitive or enumeration types with IEntity interface
...n the interface type. EF doesn't know about the interface type so it can't convert it to SQL. With the class constraint the type inferred is the DbSet<T> type which EF knows what to do with.
– jwize
Nov 12 '15 at 20:58
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Convert a list to a dictionary in Python
Let's say I have a list a in Python whose entries conveniently map to a dictionary. Each even element represents the key to the dictionary, and the following odd element is the value
...
When is memoization automatic in GHC Haskell?
... little tricky when you use syntactic sugar like in your example, so let's convert these to equivalent desugared syntax:
m1' = (!!) (filter odd [1..]) -- NB: See below!
m2' = \n -> (!!) (filter odd [1..]) n
(Note: The Haskell 98 report actually describes a left operator section li...
Enable binary mode while restoring a Database from an SQL dump
...practical note, I got around this after creating the file in Powershell by converting the generated file to UTF-8 using Notepad++.
– Peter Majeed
Jan 21 '17 at 14:05
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Correct way to try/except using Python requests module?
...ophic and you can't go on, then yes, you may abort your program by raising SystemExit (a nice way to both print an error and call sys.exit).
You can either catch the base-class exception, which will handle all cases:
try:
r = requests.get(url, params={'s': thing})
except requests.exceptions.Requ...
Is there any way to kill a Thread?
...ythonapi.PyThreadState_SetAsyncExc(ctypes.c_long(tid), None)
raise SystemError("PyThreadState_SetAsyncExc failed")
class ThreadWithExc(threading.Thread):
'''A thread class that supports raising exception in the thread from
another thread.
'''
def _get_my_tid(self):
...
Convert sqlalchemy row object to python dict
Is there a simple way to iterate over column name and value pairs?
36 Answers
36
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Pros and Cons of SQLite and Shared Preferences [closed]
...plain old Java Objects as RealmObjects and store your data there. You can convert selcted queries into JSON files. No need to parse the entire data base.
Check this link:
https://realm.io/news/introducing-realm/
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jQuery / Javascript - How do I convert a pixel value (20px) to a number value (20)
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@AndyE: Isiden was saying that parseInt won't convert em values (or pt or others) in the equivalent pixel values, which is what some people may need.
– LeartS
Feb 9 '14 at 14:28
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