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android on Text Change Listener
...nly clear when the text in the field is not empty (i.e when the length is different than 0).
field1.addTextChangedListener(new TextWatcher() {
@Override
public void afterTextChanged(Editable s) {}
@Override
public void beforeTextChanged(CharSequence s, int start,
int count, i...
Declaring variables inside a switch statement [duplicate]
...u can't declare and assign variables inside a switch . But I'm wondering if the following is correct at throwing an error saying
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How do I fix "The expression of type List needs unchecked conversion…'?
...ast up front, you're "complying with the warranty terms" of Java generics: if a ClassCastException is raised, it will be associated with a cast in the source code, not an invisible cast inserted by the compiler.
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SELECT INTO a table variable in T-SQL
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If you "SELECT name, location FROM myTable" as the values you will be inserting into the UserData table doesn't it matter if the names of the variables in the select match the names in the table definition. You are selecting ...
Getting activity from context in android
...Application Context to a DialogView, watch it crash, and you will see the difference.
– Sky Kelsey
Aug 1 '12 at 23:10
6
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Storing money in a decimal column - what precision and scale?
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If you are looking for a one-size-fits-all, I'd suggest DECIMAL(19, 4) is a popular choice (a quick Google bears this out). I think this originates from the old VBA/Access/Jet Currency data type, being the first fixed point d...
How can you check for a #hash in a URL using JavaScript?
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Simple:
if(window.location.hash) {
// Fragment exists
} else {
// Fragment doesn't exist
}
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How can I get the last 7 characters of a PHP string?
... php docs:
string substr ( string $string , int $start [, int $length ] )
If start is negative, the returned string will start at the start'th character from the end of string.
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What are the different usecases of PNG vs. GIF vs. JPEG vs. SVG?
...means the image is made (even) smaller, but at a detriment to the quality. If you saved an image in a Lossy format over and over, the image quality would get progressively worse and worse.
There are also different colour depths (palettes): Indexed color and Direct color.
Indexed means that the ...
What is the meaning of the CascadeType.ALL for a @ManyToOne JPA association
...orphans. However the inverse case (annotating the User) would make sense - if an address belongs to a single user only, it is safe to propagate the removal of all addresses belonging to a user if this user is deleted.
BTW: you may want to add a mappedBy="addressOwner" attribute to your User to sig...