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中文网（自研/维护）拓展 · App Inventor 2 中文网
...tyNotification
获得优先通知。
事件
CallbackButtonAction(nameAction)
单击任何操作按钮时，该块将返回相应按钮的名称。
CallbackButtonProgress(nameButton)
返回进度通知中按下的操作按钮的名称。
CallbackMessage(message,...
Programmatically update widget from activity/service/receiver
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It call the onRecieve override method. But i want how to call onUpdate method.
– Amit Thaper
Feb 18 '13 at 6:52
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Sequence contains no elements?
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In case of async call use .FirstOrDefaultAsync();
– Andrea Girardi
Sep 21 '18 at 14:57
add a comment
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How to change the session timeout in PHP?
...ver the session GC kicks in.
GC is a potentially expensive process, so typically the probability is rather small or even zero (a website getting huge numbers of hits will probably forgo probabilistic GC entirely and schedule it to happen in the background every X minutes). In both cases (assuming no...
Android - Set fragment id
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You can't set a fragment's ID programmatically.
There is however, a String tag that you can set inside the FragmentTransaction which can be used to uniquely identify a Fragment.
As Aleksey pointed out, you can pass an ID to FragmentTransaction's add(int, Fragment)...
Adding options to select with javascript
...t.innerHTML = i;
select.appendChild(opt);
}
}
}
// calling the function with all three values:
populateSelect('selectElementId',12,100);
// calling the function with only the 'id' ('min' and 'max' are set to defaults):
populateSelect('anotherSelect');
// calling the functio...
Calendar Recurring/Repeating Events - Best Storage Method
...ay and every week starting on a Thursday.
Assuming I have two tables, one called events like this:
ID NAME
1 Sample Event
2 Another Event
And a table called events_meta like this:
ID event_id meta_key meta_value
1 1 repeat_start 1299132000
2 ...
How to send an email from JavaScript
...bject=subject&body=body');
Another solution would be to do an ajax call to your server, so that the server sends the email. Be careful not to allow anyone to send any email through your server.
share
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Convert a series of parent-child relationships into a hierarchical tree?
... declaration must be parseAndPrintTree($tree, $root = null) and recursive call shall be parseAndPrintTree($child, $tree); Best regards
– razor7
Apr 25 '14 at 20:52
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Get notified when UITableView has finished asking for data?
...s are actually reloaded (i.e. before the UITableViewDataSource methods are called). My experimentation demonstrates the precise opposite of what you say. I must misunderstand what you're trying to say.
– Rob
Nov 27 '12 at 17:23
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