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Check whether or not the current thread is the main thread
Is there any way to check whether or not the current thread is the main thread in Objective-C?
13 Answers
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Focus Input Box On Load
...* 2;
this.setSelectionRange(len, len);
} else {
// This might work for browsers without setSelectionRange support.
this.value = this.value;
}
if (this.nodeName === "TEXTAREA") {
// This will scroll a textarea to the bottom if needed
this.scrollTop = 999999;
}
};
window....
Disabled UIButton not faded or grey
...e created in Interface Builder. I can successfully enable and disable it like this in my code ...
19 Answers
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How can I submit a form using JavaScript?
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Set the name attribute of your form to "theForm" and your code will work.
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What is the relationship between Looper, Handler and MessageQueue in Android?
I have checked the official Android documentation/guide for Looper , Handler and MessageQueue . But I couldn't get it. I am new to android, and got very confused with these concepts.
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When should I use mmap for file access?
...ing data in a read only fashion from the same file, which is common in the kind of server systems I write. mmap allows all those processes to share the same physical memory pages, saving a lot of memory.
mmap also allows the operating system to optimize paging operations. For example, consider tw...
How to make git mark a deleted and a new file as a file move?
... git status still shows "new file" and not "renamed" you need to follow Hank Gay’s advice and do the move and modify in two separate commits.
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How can you iterate over the elements of an std::tuple?
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ildjarn
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answered Jul 29 '09 at 17:41
Éric Malenfant...
Detect iPad users using jQuery?
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iPad Detection
You should be able to detect an iPad user by taking a look at the userAgent property:
var is_iPad = navigator.userAgent.match(/iPad/i) != null;
iPhone/iPod Detection
Similarly, the platform property to check for devices like iPhones or iPods:
function is_iPhone_or_iP...
How to match, but not capture, part of a regex?
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The only way not to capture something is using look-around assertions:
(?<=123-)((apple|banana)(?=-456)|(?=456))
Because even with non-capturing groups (?:…) the whole regular expression captures their matched contents. But this regular expression matches only apple ...