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Android, ListView IllegalStateException: “The content of the adapter has changed but ListView did no
... I want to do : run a background thread which calculates ListView contents and update ListView partially, while results are calculated.
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Representing null in JSON
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Let's evaluate the parsing of each:
http://jsfiddle.net/brandonscript/Y2dGv/
var json1 = '{}';
var json2 = '{"myCount": null}';
var json3 = '{"myCount": 0}';
var json4 = '{"myString": ""}';
var json5 = '{"myString": "null"}';
var json6 = '{"myArray": []}';
console.log(JSON.parse(js...
OnChange event handler for radio button (INPUT type=“radio”) doesn't work as one value
... Just a note on why I chose this as the correct answer: Click event handlers are set up on each of the radio buttons with the name attribute myRadios to read the variable prev which holds the currently selected radio. A comparison is done within each click handler to decide if the clicked radi...
Round a double to 2 decimal places [duplicate]
... too.
So, use this instead
(Adapted from this answer by Louis Wasserman and this one by Sean Owen.)
public static double round(double value, int places) {
if (places < 0) throw new IllegalArgumentException();
BigDecimal bd = BigDecimal.valueOf(value);
bd = bd.setScale(places, Rou...
Calculating the difference between two Java date instances
I'm using Java's java.util.Date class in Scala and want to compare a Date object and the current time. I know I can calculate the delta by using getTime():
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How to create a dialog with “yes” and “no” options?
I am going to make a button to take an action and save the data into a database.
13 Answers
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Random shuffling of an array
I need to randomly shuffle the following Array:
29 Answers
29
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How can I manually generate a .pyc file from a .py file
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You can use compileall in the terminal. The following command will go recursively into sub directories and make pyc files for all the python files it finds. The compileall module is part of the python standard library, so you don't need to install anything extra to use it. This work...
What is the difference between a mutable and immutable string in C#?
What is the difference between a mutable and immutable string in C#?
15 Answers
15
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Is there a way to make text unselectable on an HTML page? [duplicate]
.../
*/
-ms-user-select: none;
user-select: none;
}
For IE < 10 and Opera, you will need to use the unselectable attribute of the element you wish to be unselectable. You can set this using an attribute in HTML:
<div id="foo" unselectable="on" class="unselectable">...</div>
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