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Force page scroll position to top at page refresh in HTML
... This is the correct answer. The jQuery solution does not work in all cases.
– Harry Stevens
Dec 5 '17 at 18:52
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Specifying an Index (Non-Unique Key) Using JPA
...Table;
@Entity
@Table(name = "region",
indexes = {@Index(name = "my_index_name", columnList="iso_code", unique = true),
@Index(name = "my_index_name2", columnList="name", unique = false)})
public class Region{
@Column(name = "iso_code", nullable = false)
priva...
How does this giant regex work?
I recently found the code below in one of my directories, in a file called doc.php . The file functions or links to a file manager. It's quite nicely done. Basically, it lists all the files in the current directory, and it lets you change directories.
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How to get all properties values of a JavaScript Object (without knowing the keys)?
... for you:
for (var key in obj) {
if (Object.prototype.hasOwnProperty.call(obj, key)) {
var val = obj[key];
// use val
}
}
The nested if makes sure that you don't enumerate over properties in the prototype chain of the object (which is the behaviour you almost certainly wan...
Is it possible to write to the console in colour in .NET?
Writing a small command line tool, it would be nice to output in different colours. Is this possible?
8 Answers
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EF Code First foreign key without navigation property
...class and sql is just the above SQL command as string.
Be aware that with all this EF has no clue that ParentId is a foreign key that describes a relationship. EF will consider it only as an ordinary scalar property. Somehow all the above is only a more complicated and slower way compared to just o...
What is the use of the @ symbol in PHP?
...om error handler function with set_error_handler() then it will still get called, but this custom error handler can (and should) call error_reporting() which will return 0 when the call that triggered the error was preceded by an @...
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Email Address Validation in Android on EditText [duplicate]
... target) {
return (!TextUtils.isEmpty(target) && Patterns.EMAIL_ADDRESS.matcher(target).matches());
}
Kotlin:
fun CharSequence?.isValidEmail() = !isNullOrEmpty() && Patterns.EMAIL_ADDRESS.matcher(this).matches()
Edit: It will work On Android 2.2+ onwards !!
Edit: Added miss...
Python Create unix timestamp five minutes in the future
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Now in Python >= 3.3 you can just call the timestamp() method to get the timestamp as a float.
import datetime
current_time = datetime.datetime.now(datetime.timezone.utc)
unix_timestamp = current_time.timestamp() # works if Python >= 3.3
unix_timestamp_pl...
How to find a text inside SQL Server procedures / triggers?
I have a linkedserver that will change. Some procedures call the linked server like this: [10.10.100.50].dbo.SPROCEDURE_EXAMPLE . We have triggers also doing this kind of work. We need to find all places that uses [10.10.100.50] to change it.
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