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Do fragments really need an empty constructor?
... constructor anyway. You should have a newInstance() static method defined and pass any parameters via arguments (bundle)
For example:
public static final MyFragment newInstance(int title, String message) {
MyFragment f = new MyFragment();
Bundle bdl = new Bundle(2);
bdl.putInt(EXTRA_T...
Is there a RegExp.escape function in Javascript?
...he function linked above is insufficient. It fails to escape ^ or $ (start and end of string), or -, which in a character group is used for ranges.
Use this function:
function escapeRegex(string) {
return string.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&');
}
While it may seem unnecessary a...
What's the recommended way to extend AngularJS controllers?
...at are quite similar. I want to have a controller which these three extend and share its functions.
12 Answers
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Ubuntu, vim, and the solarized color palette
...folder, I've set my terminal profile colors to what is listed on the site, and I've added the lines
8 Answers
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How to convert a String to CharSequence?
...uence. It simply assigns an instance of String to a CharSequence variable, and since String implements the CharSequence interface, the code works.
– João Silva
Oct 16 '10 at 12:06
...
How do I execute inserts and updates in an Alembic upgrade script?
...ms.
Note that Alembic provides some basic data functions: op.bulk_insert() and op.execute(). If the operations are fairly minimal, use those. If the migration requires relationships or other complex interactions, I prefer to use the full power of models and sessions as described below.
The followi...
Node: log in a file instead of the console
...
Update 2013 - This was written around Node v0.2 and v0.4; There are much better utilites now around logging. I highly recommend Winston
Update Late 2013 - We still use winston, but now with a logger library to wrap the functionality around logging of custom objects and fo...
java.sql.SQLException: Incorrect string value: '\xF0\x9F\x91\xBD\xF0\x9F…'
...
What you have is EXTRATERRESTRIAL ALIEN (U+1F47D) and BROKEN HEART (U+1F494) which
are not in the basic multilingual plane. They cannot be even represented in java as one char, "????????".length() == 4. They are definitely not null characters and one will see squares if you ...
Non-Singleton Services in AngularJS
...eturn a newable function as this begins to break down dependency injection and the library will behave awkwardly, especially for third parties. In short, I am not sure there are any legitimate use cases for non-singleton sevices.
A better way to accomplish the same thing is to use the factory as an...
In C#, how do I calculate someone's age based on a DateTime type birthday?
...
An easy to understand and simple solution.
// Save today's date.
var today = DateTime.Today;
// Calculate the age.
var age = today.Year - birthdate.Year;
// Go back to the year in which the person was born in case of a leap year
if (birthdat...