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Create singleton using GCD's dispatch_once in Objective-C
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How is the init not available? Isn't it at least available for one init?
– Honey
Apr 8 '16 at 22:27
2
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How to clear an ImageView in Android?
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This works reliably at least in my app. setImageResource(0) works sometimes, but not others.
– Hong
Apr 3 '13 at 12:50
5
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How to declare a local variable in Razor?
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That seems to be the case, in MVC3 at least.
– Matthew Walton
Apr 22 '13 at 15:10
1
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Setting default permissions for newly created files and sub-directories under a directory in Linux?
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Here's how to do it using default ACLs, at least under Linux.
First, you might need to enable ACL support on your filesystem. If you are using ext4 then it is already enabled. Other filesystems (e.g., ext3) need to be mounted with the acl option. In that case, add th...
Changing the browser zoom level
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I would say not possible in most browsers, at least not without some additional plugins. And in any case I would try to avoid relying on the browser's zoom as the implementations vary (some browsers only zoom the fonts, others zoom the images, too etc). Unless you don't ...
Espresso: Thread.sleep( );
... }
}
uiController.loopMainThreadForAtLeast(50);
}
while (System.currentTimeMillis() < endTime);
// timeout happens
throw new PerformException.Builder()
.withActionDescription(this.getDescrip...
What does %5B and %5D in POST requests stand for?
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Not least important is why these symbols occur in url.
See https://www.php.net/manual/en/function.parse-str.php#76792, specifically:
parse_str('foo[]=1&foo[]=2&foo[]=3', $bar);
the above produces:
$bar = ['foo' => ...
Adding a public key to ~/.ssh/authorized_keys does not log me in automatically
...s 'open' as 755 for both directories, if you're so inclined. The simplest/least invasive commands are in the FAQ: openssh.org/faq.html#3.14
– davidjb
May 8 '13 at 23:45
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How to search by key=>value in a multidimensional array in PHP
...them (I always extend ArrayObject to include a search function at the very least).
$arrayObj->uasort("myComp");
Once they are sorted (uasort is O(n log n), which is as good as it gets over arbitrary data), binary search can do the operation in O(log n) time, ie a million entries only takes ~2...
Ruby on Rails generates model field:type - what are the options for field:type?
... product title:string description:text image_url:string price:decimal
At least it was a problem to me.
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