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Getting the current page
.... I can't find any variable that holds this. But I think it must be held somewhere, since the indicator is able to show which sub-view of the scroll view is currently being displayed.
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Set selected radio from radio group with a value
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With the help of the attribute selector you can select the input element with the corresponding value. Then you have to set the attribute explicitly, using .attr:
var value = 5;
$("input[name=mygroup][value=" + value + "]").attr('checked', 'checked');
Since jQuery 1.6, you can also use th...
PHP Replace last occurrence of a String in a String?
...eturn TRUE no matter what. It returns a string no matter what. If a replacement can't be made it returns the original $subject, just like substr_replace and str_replace do.
– Mischa
Jul 12 '13 at 0:58
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dplyr summarise: Equivalent of “.drop=FALSE” to keep groups with zero length in output
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Since dplyr 0.8 group_by gained the .drop argument that does just what you asked for:
df = data.frame(a=rep(1:3,4), b=rep(1:2,6))
df$b = factor(df$b, levels=1:3)
df %>%
group_by(b, .drop=FALSE) %>%
summarise(count_a=length(a))
#> # A tibble: 3 x 2
#> ...
How to call a method after a delay in Android
I want to be able to call the following method after a specified delay.
In objective c there was something like:
31 Answer...
How to push both value and key into PHP array
...ause there is no way determine the next key.
You'll have to use
$arrayname[indexname] = $value;
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What's the most efficient way to test two integer ranges for overlap?
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What does it mean for the ranges to overlap? It means there exists some number C which is in both ranges, i.e.
x1 <= C <= x2
and
y1 <= C <= y2
Now, if we are allowed to assume that the ranges are well-formed (so that x1 ...
Create a CSS rule / class with jQuery at runtime
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You can create style element and insert it into DOM
$("<style type='text/css'> .redbold{ color:#f00; font-weight:bold;} </style>").appendTo("head");
$("<div/>").addClass("redbold").text("SOME NEW TEXT").appendTo("body");
tested ...
How to use a variable for the database name in T-SQL?
I use the database name in several places in my script, and I want to be able to quickly change it, so I'm looking for something like this:
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AngularJS: Is there any way to determine which fields are making a form invalid?
...which is called from an ng-submit function, which belongs to a form with name profileForm :
8 Answers
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