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Adding an identity to an existing column
...s columns with this method. Adding/removing columns, changing nullability, etc. isn't allowed.
You'll need to drop foriegn keys before you do the switch and restore them after.
Same for WITH SCHEMABINDING functions, views, etc.
new table's indexes need to match exactly (same columns, same order, e...
How to cast an Object to an int
...t;
Scenario 2: any numerical object
In Java Integer, Long, BigInteger etc. all implement the Number interface which has a method named intValue. Any other custom types with a numerical aspect should also implement Number (for example: Age implements Number). So you can:
int x = ((Number)yourOb...
What is Full Text Search vs LIKE
...he term. Full text search is optimized to compute the intersection, union, etc. of these record sets, and usually provides a ranking algorithm to quantify how strongly a given record matches search keywords.
The SQL LIKE operator can be extremely inefficient. If you apply it to an un-indexed column...
What is aspect-oriented programming?
...important things leading to code-rot, people going home to their families, etc.)
I put my hopes to composite oriented programming, which is something more and more realistic. It connects to many popular ideas and gives you something really cool.
Look at an up and coming implementation here: qi4j.o...
Regular Expressions and negating a whole character group [duplicate]
...n a specific sequence of characters. I've tried using [^ab] , [^(ab)] , etc. to match strings containing no 'a's or 'b's, or only 'a's or only 'b's or 'ba' but not match on 'ab'. The examples I gave won't match 'ab' it's true but they also won't match 'a' alone and I need them to. Is there some...
How to strip all whitespace from string
...acters, for example:
non-breaking space,
em space,
ideographic space,
...etc. See the full list here, under "Unicode characters with White_Space property".
However \s DOES NOT cover characters not classified as whitespace, which are de facto whitespace, such as among others:
zero-width joiner,
Mo...
Why use non-member begin and end functions in C++11?
...ay->valueAt(index);
}
bool operator ==(SpecialArray &);
// etc
private:
SpecialArray *parray;
int index;
// etc
};
now i and e can be legally used for iteration and accessing of values of SpecialArray
...
How can I use grep to find a word inside a folder?
...nd texts "MobileAppSe", "MobileAppSer", "MobileAppSerr", "MobileAppSerrr", etc. in current directory's files contents - not what the user wants either.
– usta
Mar 27 '13 at 6:36
...
Custom circle button
...
If you want it to show all these states (enabled, disabled, highlighted etc), you will use selector as described here.
You've to keep both files in order to make the drawable backward-compatible. Otherwise, you'll face weird exceptions in previous android version.
...
PyLint “Unable to import” error - how to set PYTHONPATH?
...lint's, though I haven't used that) is:
topdir\
__init__.py
functions_etc.py
subdir\
__init__.py
other_functions.py
This is how the python interpreter is aware of the module without reference to the current directory, so if pylint is running from its own absolute path it will be abl...