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SQLite DateTime comparison
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Sqlite can not compare on dates. we need to convert into seconds and cast it as integer.
Example
SELECT * FROM Table
WHERE
CAST(strftime('%s', date_field) AS integer) <=CAST(strftime('%s', '2015-01-01') AS integer) ;
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Execute JavaScript using Selenium WebDriver in C#
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I find it awkward that I have to cast the driver. Why is ExecuteJavascript not just a method on the driver?
– Kolob Canyon
Jun 27 '19 at 18:05
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What is the difference between == and Equals() for primitives in C#?
...t, so you aren't calling it.
You could force it to call this method with a cast:
Console.WriteLine(newAge.Equals((short)age)); // true
This will call short.Equals(short) directly, without boxing. If age is larger than 32767, it will throw an overflow exception.
You could also call the short.Equals(...
convert a list of objects from one type to another using lambda expression
...ound when (or if) it can be used. I just tried it and was getting a cannot cast expression exception
– Collin M. Barrett
Aug 1 '18 at 16:26
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error C2440: \'initializing\' : cannot convert from \'char *\' to \'co...
...har> > *'
Types pointed to are unrelated; conversion requires reinterpret_cast, C-style cast or function-style cast
//输出一行中所有字符
void printchar(string &line)
{
istringstream iss(line);
string word;
while(iss>>word)
for(vector<string>::const_...
How do you convert a DataTable into a generic list?
... System.Data.DataSetExtensions.dll,
List<DataRow> rows = table.Rows.Cast<DataRow>().ToList();
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C++ catch blocks - catch exception by value or reference? [duplicate]
...onst object and catch it with a non-const reference. To avoid this silent "casting away" of const, always catch a const reference, and ensure your exception types have const-correct accessors.
– Daniel Earwicker
Mar 26 '10 at 10:01
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How to set DialogFragment's width and height?
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@jmaculate - Quick question: when you are casting to (android.view.WindowManager.LayoutParams), what are you casting it from? I was puzzled when choosing the correct import for LayoutParams appearing in the first 3 lines of the function. Ended up choosing (android.vi...
Get current date in milliseconds
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Casting the NSTimeInterval directly to a long overflowed for me, so instead I had to cast to a long long.
long long milliseconds = (long long)([[NSDate date] timeIntervalSince1970] * 1000.0);
The result is a 13 digit times...
PHP - Get bool to echo false when false
...'s a weird way to do it, because array keys cannot be bool types. PHP will cast that to array(0 => 'false', 1 => 'true').
– Mark E. Haase
Feb 9 '11 at 19:00
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