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How to show the “Are you sure you want to navigate away from this page?” when changes committed?
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Update (2017)
Modern browsers now consider displaying a custom message to be a security hazard and it has therefore been removed from all of them. Browsers now only display generic messages. Since we no longer have to worry about setting the message, it i...
Difference between SurfaceView and View?
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FYI...A SurfaceView can now be transparent: stackoverflow.com/questions/5391089/…
– Steve
Apr 17 '12 at 20:15
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#pragma mark in Swift?
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+1 for recommending extensions. Even with MARK working now, using extensions to group some kinds of semantically related code (especially protocol implementations) can still be useful. IMHO it reads a lot better to have your declaration of protocol conformance right next to the m...
iOS 5 Best Practice (Release/retain?)
...per-file basis. See pixelfreak's answer. So, my advice still stands, but now the 3rd-party libraries shouldn't need to be updated to work with ARC.
Here's what Apple says about opting out of ARC for specific files:
When you migrate a project to use ARC, the -fobjc-arc compiler flag is
set a...
Best practices for in-app database migration for Sqlite
...updates in version 2,3,4. The end user only downloaded your version 1, and now upgrade to version 5. What should you do?
– Bagusflyer
Apr 10 '14 at 4:09
6
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Are there any CSV readers/writer libraries in C#? [closed]
...rategies on that spot? I've deleted my original remark by the way, as it's now irrelevant :-)
– Zimano
Oct 5 '19 at 10:42
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git pull from master into the development branch
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1This second part has been changed—I say "fixed"—in git 1.8.4, which now updates "remote branch" references opportunistically. (It was, as the release notes say, a deliberate design decision to skip the update, but it turns out that more people prefer that git update it. If you want the old ...
Handling specific errors in JavaScript (think exceptions)
...nder === "unspecific") {
unspecificHandler(e);
}
catch (e) {
// don't know what to do
throw e;
}
This gives something more akin to typed exception handling used in Java, at least syntactically.
share
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reducing number of plot ticks
...hould be. For example, if the original tick labels are [0, 1, ..., 99] and now one sets nticks=10, then the new sparse labels will be placed ten times as long apart along the axis, i.e. now 1 will sit where 9 was, 2 where 19 was... and 9 where 99 was.
– Vim
Mar...
best practice to generate random token for forgot password
...ector,
'validator' => bin2hex($token)
]);
$expires = new DateTime('NOW');
$expires->add(new DateInterval('PT01H')); // 1 hour
$stmt = $pdo->prepare("INSERT INTO account_recovery (userid, selector, token, expires) VALUES (:userid, :selector, :token, :expires);");
$stmt->execute([
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