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UITableView load more when scrolling to bottom like Facebook application
...sBatchOfItems = try MyDataHelper.findRange(start..<end)
} catch _ {
print("query failed")
}
// update UITableView with new batch of items on main thread after query finishes
DispatchQueue.main.async {
if let newItems = thisBatchOfItems {
...
Modular multiplicative inverse function in Python
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If you happen to be using sympy, then x, _, g = sympy.numbers.igcdex(a, m) does the trick.
– Lynn
Sep 16 '16 at 18:15
add a comment
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Check whether a path is valid in Python without creating a file at the path's target
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tl;dr
Call the is_path_exists_or_creatable() function defined below.
Strictly Python 3. That's just how we roll.
A Tale of Two Questions
The question of "How do I test pathname validity and, for valid pathnames, the existence or writabilit...
How do I create a link using javascript?
...answered Jan 23 '11 at 8:50
gion_13gion_13
38.3k99 gold badges9090 silver badges101101 bronze badges
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How to convert a Title to a URL slug in jQuery?
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For avoid "_" in slug, override .replace(/ +/g,'-') to .replace(/ +|_/g,'-').
– Odin Thunder
Mar 17 '17 at 13:47
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What is the best Java email address validation method? [closed]
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Don't roll your own regex-based validator for things covered by RFCs.
– Josh Glover
Aug 7 '14 at 10:16
6
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Difference between std::system_clock and std::steady_clock?
...The implementation of steady_clock has changed [.....] steady_clock is now based on QueryPerformanceCounter() and high_resolution_clock is now a typedef for steady_clock. Quoted from msdn.microsoft.com/en-us/library/hh874757.aspx
– felix-b
Jan 14 '18 at 10:29
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Retargeting solution from .Net 4.0 to 4.5 - how to retarget the NuGet packages?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Regex - Should hyphens be escaped? [duplicate]
...hese cases, you'll typically see everything escaped (e.g. [a-z\%\$\#\@\!\-\_]) simply because the engineer doesn't know what's "special" and what's not... so they "play it safe" and obfuscate the expression with loads of excessive backslashes. You'll be doing yourself, your contemporaries, and your ...
Is it possible to change the textcolor on an Android SearchView?
...ans using reflection. Also works with appcompat.
– dj_bushido
Jan 3 '15 at 22:44
You can also set android:theme on the...