大约有 40,000 项符合查询结果（耗时：0.0468秒） [XML]
validation custom message for rails 3
Rails has introduced new way to validate attributes inside model.
When I use
4 Answers
...
Android ListView Divider
...ou should use 1px instead of 1dp or 1dip: if you specify 1dp or 1dip, Android will scale that down. On a 120dpi device, that becomes something like 0.75px translated, which rounds to 0. On some devices, that translates to 2-3 pixels, and it usually looks ugly or sloppy
For dividers, 1px is the corr...
Error TF30063: You are not authorized to access … \DefaultCollection
...Explorer" tab, clicked on the "Select Team Project" and it let me enter my new password.
– stephenbayer
Jun 30 '15 at 17:22
1
...
Fastest way to count exact number of rows in a very large table?
...w_count)
FROM
sys.dm_db_partition_stats st
WHERE
object_name(object_id) = 'MyBigtable' AND (index_id < 2)
2 runs, both under 1 second, count = 1,401,659,670
The second one has less rows = wrong. Would be the same or more depending on writes (deletes are done out of hours here)
...
Javascript/jQuery: Set Values (Selection) in a multiple Select
...lue='" + e + "']").prop("selected", true);
});
Working Example http://jsfiddle.net/McddQ/1/
share
|
improve this answer
|
follow
|
...
Pass a parameter to a fixture function
... py.test to test some DLL code wrapped in a python class MyTester.
For validating purpose I need to log some test data during the tests and do more processing afterwards. As I have many test_... files I want to reuse the tester object creation (instance of MyTester) for most of my tests.
...
Why can't I access DateTime->date in PHP's DateTime class?
...e::format() you can access the property using reflection:
<?php
$dt = new DateTime();
$o = new ReflectionObject($dt);
$p = $o->getProperty('date');
$date = $p->getValue($dt);
This is slight faster than using format() because format() formats a timestring that has already been formatted....
angularjs: ng-src equivalent for background-image:url(…)
... ng-src which has the purpose that you won't receive an error for an invalid url before angularjs gets to evaluate the variables placed in between {{ and }} .
...
How can I transform between the two styles of public key format, one “BEGIN RSA PUBLIC KEY”, the oth
...pure PHP RSA implementation...
<?php
include('Crypt/RSA.php');
$rsa = new Crypt_RSA();
$rsa->loadKey('-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA61BjmfXGEvWmegnBGSuS
+rU9soUg2FnODva32D1AqhwdziwHINFaD1MVlcrYG6XRKfkcxnaXGfFDWHLEvNBS
EVCgJjtHAGZIm5GL/KA86KDp/CwDFMSwl...
How do I open a second window from the first window in WPF?
I am new to WPF. I have two windows, such as window1 and window2. I have one button in window1. If I click that button, the window2 has to open. What should I do for that?
...