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How ListView's recycling mechanism works
...tially the listview has 7 visible items, then, if you scroll up until item 1 is no longer visible, getView() passes this view (i.e item1) to the recycler and you can use
System.out.println("getview:"+position+" "+convertView);
inside your
public View getView(final int position, View convertView, Vi...
What's the difference between getRequestURI and getPathInfo methods in HttpServletRequest?
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edited Oct 6 '16 at 19:40
Victor Stafusa
12.1k99 gold badges5252 silver badges6767 bronze badges
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jQuery - checkbox enable/disable
...ange your markup slightly:
$(function() {
enable_cb();
$("#group1").click(enable_cb);
});
function enable_cb() {
if (this.checked) {
$("input.group1").removeAttr("disabled");
} else {
$("input.group1").attr("disabled", true);
}
}
<script src="https://cdnjs.clou...
Insert a line break in mailto body
...A. Nothing worked for me.
I tested on Gmail, Yahoo, Apple Mail, Outlook 2010, Outlook.com and Thunderbird with Google Chrome on Mac OSX.
...
Start an Activity with a parameter
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511
Put an int which is your id into the new Intent.
Intent intent = new Intent(FirstActivity.this...
Omit rows containing specific column of NA
...ses function and put it into a function thusly:
DF <- data.frame(x = c(1, 2, 3), y = c(0, 10, NA), z=c(NA, 33, 22))
completeFun <- function(data, desiredCols) {
completeVec <- complete.cases(data[, desiredCols])
return(data[completeVec, ])
}
completeFun(DF, "y")
# x y z
# 1 1 0 ...
How to get visitor's location (i.e. country) using geolocation? [duplicate]
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edited May 18 at 15:28
Laurent
12.6k1212 gold badges4646 silver badges6969 bronze badges
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How do you truncate all tables in a database using TSQL?
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