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Check if a value exists in ArrayList
...in order for this to work, you will need to properly override the equals() and hashCode() methods. If you are using Eclipse IDE, then you can have these methods generated by first opening the source file for your CurrentAccount object and the selecting Source > Generate hashCode() and equals()......
writing some characters like '
...rt special character follow Moss guide: How can I write character & in android strings.xml by used Unicode definition:
Example:
<string name="item_unknown">\u003c Item Unknown \u003e</string>
which present in string :
< Item Unknown >
...
Set the layout weight of a TextView programmatically
I'm trying to dynamically create TableRow objects and add them to a TableLayout .
The TableRow objects has 2 items, a TextView and a CheckBox . The TextView items need to have their layout weight set to 1 to push the CheckBox items to the far right.
...
Loop through a date range with JavaScript
...dding one day causes the date to roll over to the next month if necessary, and without messing around with milliseconds. Daylight savings aren't an issue either.
var now = new Date();
var daysOfYear = [];
for (var d = new Date(2012, 0, 1); d <= now; d.setDate(d.getDate() + 1)) {
daysOfYear.p...
Syntax Error: Not a Chance
... taken to mean you want to enable the 'create blocks with braces' feature, and the exception tells you your chances of that ever happening are nil.
You can add that to the long list of in-jokes included in Python, just like import __hello__, import this and import antigravity. The Python developers...
Explicitly calling a default method in Java
...ing
A.super.foo();
This could be used as follows (assuming interfaces A and C both have default methods foo())
public class ChildClass implements A, C {
@Override
public void foo() {
//you could completely override the default implementations
doSomethingElse();
/...
Calculate distance between 2 GPS coordinates
How do I calculate distance between two GPS coordinates (using latitude and longitude)?
29 Answers
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Register Application class in Manifest?
... from Application, add the fully qualified (namespace + class name) as the android:name parameter of the application element in your manifest.
<application
android:name="com.you.yourapp.ApplicationEx"
Or if the class' package can be described as relative to the package in the manifest ...
Filtering Pandas DataFrames on dates
I have a Pandas DataFrame with a 'date' column. Now I need to filter out all rows in the DataFrame that have dates outside of the next two months. Essentially, I only need to retain the rows that are within the next two months.
...
How to switch to REPLACE mode in VIM
...eplace* *Replace-mode* *mode-replace*
Enter Replace mode with the "R" command in normal mode.
Of course you can map any key to R, for example by doing
:map <F5> R
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