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Factory Pattern. When to use factory methods?
...or further application development, then factory method is one of the best selections for creation pattern. Reason behind; We know that when to create an object of required functionality(s) but type of object will remain undecided or it will be decided ob dynamic parameters being passed.
Now the po...
How do I connect to a specific Wi-Fi network in Android programmatically?
...ows a list of Wi-Fi networks available and connect to whichever network is selected by the user.
10 Answers
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How to make a phone call in android and come back to my activity when the call is done?
...View.setOnItemClickListener(new OnItemClickListener() { //Act on item when selected
@Override
public void onItemClick(AdapterView<?> a, View v, int position, long id) {
myListView.moveToPosition(position);
String _bPartyNumber = "tel...
Append text to input field
...ple, but I would add one extra note to it. You should really cache jQuery selections, there is no reason to call $("#input-field-id") twice:
var input = $( "#input-field-id" );
input.val( input.val() + "more text" );
The other option, .val() can also take a function as an argument. This has the...
django: BooleanField, how to set the default value to true?
...ou want to dynamically choose at runtime whether or not your field will be selected by default, you can use the initial parameter to the form when you initialize it:
form = MyForm(initial={'my_field':True})
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Using C# regular expressions to remove HTML tags
...c.LoadHtml(Properties.Resources.HtmlContents);
var text = doc.DocumentNode.SelectNodes("//body//text()").Select(node => node.InnerText);
StringBuilder output = new StringBuilder();
foreach (string line in text)
{
output.AppendLine(line);
}
string textOnly = HttpUtility.HtmlDecode(output.ToStri...
Simple calculations for working with lat/lon and km distance?
...hy;
SET @CurrentLocation = geography::Point(12.822222, 80.222222, 4326)
SELECT * , Round (GeoLocation.STDistance(@CurrentLocation ),0) AS Distance FROM [Landmark]
WHERE GeoLocation.STDistance(@CurrentLocation )<= 2000 -- 2 Km
There should be similar functionality for almost any database out ...
Firefox Add-on RESTclient - How to input POST parameters?
...ame
Whenever you want to make a post request, from the Headers main menu, select the Content-Type:application/x-www-form-urlencoded item that you added and it should work.
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Warn user before leaving web page with unsaved changes
...virtual inputs.
Binding the input event to all inputs (and textareas and selects) on your page won't work on older browsers and, like all event handling solutions mentioned above, doesn't support undo. When a user changes a textbox and then undoes that, or checks and unchecks a checkbox, the form ...
Are there any standard exit status codes in Linux?
...tus of 2 to indicate an error, and use an exit status of 1 to mean that no selected lines were found.
– NamshubWriter
Oct 25 '12 at 17:06
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