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Android: How can I validate EditText input?
...ern.compile("[ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz123456789_]*");
Matcher matcher = pattern.matcher(checkMe);
boolean valid = matcher.matches();
if(!valid){
Log.d("", "invalid");
return "";
}
}
...
ASP.NET MVC Yes/No Radio Buttons with Strongly Bound Model MVC
...an ID specific to the boolean direction
idAttr = String.Format("{0}_{1}", idAttr, value);
// Create the individual HTML elements, using the generated ID
MvcHtmlString radioButton = self.RadioButtonFor(expression, value, new { id = idAttr });
MvcHtmlString label = sel...
What is the actual use of Class.forName(“oracle.jdbc.driver.OracleDriver”) while connecting to a dat
....forName("org.sqlite.JDBC");' do?
What is the purpose of 'Class.forName("MY_JDBC_DRIVER")'?
Loading JDBC driver
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How do I escape a percentage sign in T-SQL?
... You can escape also the underscore wildcard character too: [_]. How do you escape the open square bracket then? Like this: [[]. sqlserver2000.databases.aspfaq.com/…
– Csaba Toth
Apr 3 '14 at 18:25
...
Set default CRAN mirror permanent in R
...?Startup:
The
path of this file is taken from the value of the R_PROFILE
environment variable (after tilde expansion). If this variable is
unset, the default is R_HOME/etc/Rprofile.site, which is used if
it exists (which it does not in a 'factory-fresh' installation)...
Why does Python code run faster in a function?
...e names are assigned to indexes. This is possible because you can't dynamically add local variables to a function. Then retrieving a local variable is literally a pointer lookup into the list and a refcount increase on the PyObject which is trivial.
Contrast this to a global lookup (LOAD_GLOBAL), w...
rails 3 validation on uniqueness on multiple attributes
...
In Rails 2, I would have written:
validates_uniqueness_of :zipcode, :scope => :recorded_at
In Rails 3:
validates :zipcode, :uniqueness => {:scope => :recorded_at}
For multiple attributes:
validates :zipcode, :uniqueness => {:scope => [:recorded_at...
Can I bind an array to an IN() condition?
...
<?php
$ids = array(1, 2, 3, 7, 8, 9);
$inQuery = implode(',', array_fill(0, count($ids), '?'));
$db = new PDO(...);
$stmt = $db->prepare(
'SELECT *
FROM table
WHERE id IN(' . $inQuery . ')'
);
// bindvalue is 1-indexed, so $k+1
foreach ($ids as $k => $id)
$stmt->...
Why can I throw null in Java? [duplicate]
...ointerException and not a FileNotFoundException
– php_coder_3809625
Aug 24 '16 at 5:50
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Setting ANDROID_HOME enviromental variable on Mac OS X
Could anybody post a working solution for setting ANDROID_HOME via the terminal?
12 Answers
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