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How to change position of Toast in Android?
... will fix it:
Toast toast= Toast.makeText(getApplicationContext(),
"Your string here", Toast.LENGTH_SHORT);
toast.setGravity(Gravity.TOP|Gravity.CENTER_HORIZONTAL, 0, 0);
toast.show();
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Why does the CheckBoxFor render an additional input tag, and how can I get the value using the FormC
...explanation but in some cases you might want to get 'nothing' in the query string when the ckecbox is not checked - so the default behaviour. Is this possible using the Html helper or do I have to simply use the <input> tag.
– Maksymilian Majer
Jun 21 '10...
Take a screenshot of a webpage with JavaScript?
...dows and have .NET installed you can do:
public Bitmap GenerateScreenshot(string url)
{
// This method gets a screenshot of the webpage
// rendered at its full size (height and width)
return GenerateScreenshot(url, -1, -1);
}
public Bitmap GenerateScreenshot(string url, int width, int ...
OAuth secrets in mobile apps
When using the OAuth protocol, you need a secret string obtained from the service you want to delegate to. If you are doing this in a web app, you can simply store the secret in your data base or on the file system, but what is the best way to handle it in a mobile app (or a desktop app for that mat...
How do you check that a number is NaN in JavaScript?
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If you want an empty string to be interpreted as NaN, then yes. (I’m not saying you always would.)
– Paul D. Waite
Apr 16 '10 at 12:20
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Location of sqlite database on the device
...ntext.getXXXPath()
One of them is android.content.Context.getDatabasePath(String dbname) that returns the absolute path of a database called dbname.
Context ctx = this; // for Activity, or Service. Otherwise simply get the context.
String dbname = "mydb.db";
Path dbpath = ctx.getDatabasePath(dbnam...
What's the difference between an argument and a parameter?
... are the data you pass into the method's parameters.
public void MyMethod(string myParam) { }
...
string myArg1 = "this is my argument";
myClass.MyMethod(myArg1);
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Regex (grep) for multi-line search needed [duplicate]
...iods) and blanks, but also quotes and anything that can be inside a quoted string.
I would likely go with a Perl-based solution, having Perl read 'paragraphs' at a time and applying a regex to that. The downside is having to deal with the recursive search - there are modules to do that, of course,...
Covariance and contravariance real world example
...ariance in Generics on MSDN.
Classes:
public class Person
{
public string Name { get; set; }
}
public class Teacher : Person { }
public class MailingList
{
public void Add(IEnumerable<out Person> people) { ... }
}
public class School
{
public IEnumerable<Teacher> Get...
More elegant “ps aux | grep -v grep”
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This works for me for an arbitrary string, but not for a username, e.g. ps aux | grep '[r]oot' . Does anyone know why?
– kxsong
Oct 1 '14 at 19:41
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