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How to fix the datetime2 out-of-range conversion error using DbContext and SetInitializer?
... /// DateTime with a value of null.
/// </summary>
/// <param name="date">Date to check</param>
/// <returns>Input date if valid in the DB, or Null if date is
/// too early to be DB compatible.</returns>
public static DateTime? ToNullIfTooEarlyFor...
What is the C# equivalent of NaN or IsNumeric?
...rks out if a string is numeric or not
/// </summary>
/// <param name="str">string that may be a number</param>
/// <returns>true if numeric, false if not</returns>
public static bool IsNumeric(this String str)
{
double myNum = 0;
if (...
Servlet for serving static content
...fied the this row: this.basePath = getServletContext().getRealPath(getInitParameter("basePath")); And replaced it with: this.basePath = getInitParameter("basePath");
– Yossi Shasho
Aug 15 '12 at 7:39
...
Creating instance of type without default constructor in C# using reflection
...eInstance method:
public static Object CreateInstance(
Type type,
params Object[] args
)
Creates an instance of the specified
type using the constructor that best
matches the specified parameters.
See: http://msdn.microsoft.com/en-us/library/wcxyzt4d.aspx
...
Check to see if a string is serialized?
...izing Pascal MARTIN's response
/**
* Check if a string is serialized
* @param string $string
*/
public static function is_serial($string) {
return (@unserialize($string) !== false);
}
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When to use next() and return next() in Node.js
... it as:
app.get('/users/:id?', function(req, res, next){
var id = req.params.id;
if(!id)
return next();
// do something
});
It saves me an indentation level, and when I read the code again later, I'm sure there is no way next is called twice.
...
Display numbers with ordinal suffix in PHP
...) requires a timestamp (for ? above), we'll pass our integer $n as the day parameter to mktime() and use dummy values of 1 for the hour, minute, second, and month:
date( 'S' , mktime( 1 , 1 , 1 , 1 , $n ) );
This actually fails gracefully on values out of range for a day of the month (i.e. $n >...
Creating a zero-filled pandas data frame
...y run into int/float issue if you will be doing something like d.set_value(params) after initializing d to contain 0's. An easy fix is: d = pd.DataFrame(0.0, index=np.arange(len(data)), columns=feature_list).
– ximiki
Aug 29 '17 at 21:03
...
Looping over arrays, printing both index and value
...
you can always use iteration param:
ITER=0
for I in ${FOO[@]}
do
echo ${I} ${ITER}
ITER=$(expr $ITER + 1)
done
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How to check edittext's text is email address or not?
...
/**
* method is used for checking valid email id format.
*
* @param email
* @return boolean true for valid false for invalid
*/
public static boolean isEmailValid(String email) {
String expression = "^[\\w\\.-]+@([\\w\\-]+\\.)+[A-Z]{2,4}$";
Pattern pattern = Pattern.compile(ex...