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How to reset radiobuttons in jQuery so that none is checked
...
Finally after a lot of tests, I think the most convenient and efficient way to preset is:
var presetValue = "black";
$("input[name=correctAnswer]").filter("[value=" + presetValue + "]").prop("checked",true);
$("input[name=correctAnswer]").button( ...
How do I remove a file from the FileList
... {
return a.size > b.size ? 1 : a.size < b.size ? -1 : 0;
});
Tested OK in FF, Chrome, and IE10+
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Is there a VB.NET equivalent of C# out parameters?
... initialise the variable first.
Example:
Sub Main()
Dim y As Integer
Test(y)
End Sub
Sub Test(ByRef x As Integer)
x = 42
End Sub
(If you examine code in the framework (for example Double.TryParse), you may see the <OutAttribute> added to parameters, but that only makes a difference ...
Full Screen DialogFragment in Android
...out instead of RelativeLayout. I was targeting the 3.0 Honeycomb api when testing.
public class FragmentDialog extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
Button button = (Butto...
CentOS+Nginx+PHP+MySQL详细配置(图解) - PHP - 清泛IT论坛，有思想、有深度
...面我们在这个目录下新建一个PHP页面测试网页，文件名为test.php，内容如下
重启PHP与nginx后(可以用杀死进程的方式关闭，然后在启动)我们在浏览器中输入http://localhost/test.php，出现如下界面算成功
How to get the caret column (not pixels) position in a textarea, in characters, from the start?
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caret at position 0 would fail the test if (el.selectionStart) { return el.selectionStart; }...
– okm
Aug 7 '13 at 13:24
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Check if value exists in Postgres array
Using Postgres 9.0, I need a way to test if a value exists in a given array. So far I came up with something like this:
7 A...
Stop setInterval call in JavaScript
...the scope is risky because functions are there too. For example, "function test(){}" is accessible via window.test, which is the same as not using a scope at all, because it's a shorthand. Hope this helps.
– Schien
Jan 19 '14 at 6:05
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Use cases for the 'setdefault' dict method
...t: {1: 5, 2: 6}
In: d.setdefault(2, 0)
Out: 6
In: d.setdefault(2, print('test'))
test
Out: 6
As you can see, print was also executed even though 2 already existed in the dictionary. This becomes particularly important if you are planning to use setdefault for example for an optimization like mem...
Case insensitive 'Contains(string)'
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To test if the string paragraph contains the string word (thanks @QuarterMeister)
culture.CompareInfo.IndexOf(paragraph, word, CompareOptions.IgnoreCase) >= 0
Where culture is the instance of CultureInfo describing the lan...