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How can I do something like a FlowLayout in Android?
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If you watch the talk I gave at the Devoxx University day (available on parleys.com) you will learn how to do it yourself. During the talk I wrote a FlowLayout implementation live on stage to show how simple it is to write cu...
Handling Touch Event in UILabel and hooking it up to an IBAction
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What if I have multiple labels? how might I differentiate which one was tapped?
– learner
Jul 25 '14 at 22:47
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How do I put an 'if clause' in an SQL string?
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For your specific query, you can do:
UPDATE purchaseOrder
SET purchaseOrder_status = 'COMPLETED'
WHERE purchaseOrder_ID = '@purchaseOrder_ID' and
not exists (SELECT *
FROM itemsOrdered WHERE purcha...
jQuery load more data on scroll
I am just wondering how can i implement more data on scroll only if the div.loading is visible.
9 Answers
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Pandas count(distinct) equivalent
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What if I have multiple columns that I want to be unique together, like in .drop_duplicates(subset=['col1','col2'])?
– ErnestScribbler
Oct 2 '17 at 8:10
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What is `mt=8` in iTunes links for the App Store?
Does anyone know the significance of the mt parameter in App Store Links?
8 Answers
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jQuery first child of “this”
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If you want to apply a selector to the context provided by an existing jQuery set, try the find() function:
element.find(">:first-child").toggleClass("redClass");
Jørn Schou-Rode noted that you probably only want to fi...
Exporting a function in shell
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The export -f feature is specific to Bash:
parent
#!/bin/bash
plus1 () { echo $(($1 + 1)); }
echo $(plus1 8)
export -f plus1
./child 14 21
child
#!/bin/bash
echo $(plus1 $(($1 * $2)) )
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How to do an INNER JOIN on multiple columns
...e airport code, but the flights table only contains the airport codes so if I want to search by city I have to join on the airports table.
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Objective-C - Remove last character from string
...terface Builder. Inside that method you can trim your string like this:
if ([string length] > 0) {
string = [string substringToIndex:[string length] - 1];
} else {
//no characters to delete... attempting to do so will result in a crash
}
If you want a fancy way of doing this in ...