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What does 'const static' mean in C and C++?
...e you saying const declaration implies static there as well? As in, if you cast const away, and modify the value, all values will be modified?
– Cookie
Mar 26 '14 at 20:44
1
...
Which data type for latitude and longitude?
...ns. 6 digits is 10cm precision, should be plenty for most use cases.
Then cast your your imported data
SELECT
--ST_SetSRID(ST_Point(long, lat),4326) geom -- the wrong way because SRID not set in geometry_columns table
ST_Point(long, lat)::geometry(Geometry, 4326) geom
INTO target_table
FR...
Is Meyers' implementation of the Singleton pattern thread safe?
.../ call placement new on s to construct it
}
return (*(reinterpret_cast<Singleton*>( &s)));
}
So here's a simple thread-safe Singleton (for Windows). It uses a simple class wrapper for the Windows CRITICAL_SECTION object so that we can have the compiler automatically initialize ...
What is the result of % in Python?
...erator, so watch out if you are coming from a language with automatic type casting (like PHP or JS) where an expression like '12' % 2 + 3 is legal: in Python it will result in TypeError: not all arguments converted during string formatting which probably will be pretty confusing for you.
[update for...
Which are more performant, CTE or temporary tables?
...Y, B INT , F CHAR(8000) NULL);
INSERT INTO T(B)
SELECT TOP (1000000) 0 + CAST(NEWID() AS BINARY(4))
FROM master..spt_values v1,
master..spt_values v2;
Example 1
WITH CTE1 AS
(
SELECT A,
ABS(B) AS Abs_B,
F
FROM T
)
SELECT *
FROM CTE1
WHERE A = 780
Notice in the plan above ...
Using Mockito's generic “any()” method
... Please have a look into the API, the class argument is just used for casting, the method still accepts any kind of object! site.mockito.org/mockito/docs/current/org/mockito/…. Use isA() for this case site.mockito.org/mockito/docs/current/org/mockito/….
– thilko
...
returning a Void object
...
If you want to return null as void you need to cast it in some cases: (Void) null
– Patrick Favre
Mar 29 '16 at 10:04
...
how to show progress bar(circle) in an activity having a listview before loading the listview with d
...ists. SO, in the AsyncTask's onPreExecute() I use something like this:
// CAST THE LINEARLAYOUT HOLDING THE MAIN PROGRESS (SPINNER)
LinearLayout linlaHeaderProgress = (LinearLayout) findViewById(R.id.linlaHeaderProgress);
@Override
protected void onPreExecute() {
// SHOW THE SPINNER WHILE ...
Retain precision with double in Java
...
Guess it's not really necessary but it avoids casting in the toDouble function so the code reads better.
– Viral Shah
Mar 18 '10 at 4:09
5
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bool to int conversion
...
There seems to be no problem since the int to bool cast is done implicitly. This works in Microsoft Visual C++, GCC and Intel C++ compiler. No problem in either C or C++.
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