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What's the best way to check if a file exists in C?
...er stat(), as if the file exists it will immediately get me lots of useful information (when was it last updated, how big is it, owner and/or group that owns the file, access permissions, and so on).
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Xcode 6 beta 2 issue exporting .ipa: “Your account already has a valid iOS distribution certificate”
...tes all apps that were signed and deployed with that certificate (official info).
Ask your client to export his private key from his Keychain Access application as a *.p12 file and send it to you with a password. You can't download the existing private key from the Apple website. The only way to get...
what's data-reactid attribute in html?
...an attribute (a valid one) on the element that you can use
to store data/info about it.
This code then retrieves it later in the event handler, and uses it to
find the target output element. It effectively stores the class of the
div where its text should be outputted.
reactid is just ...
How can I create a “Please Wait, Loading…” animation using jQuery?
...
Let's start by getting us a nice "loading" animation from http://ajaxload.info
I'll be using
Let's create an element that we can show/hide anytime we're making an ajax request:
<div class="modal"><!-- Place at bottom of page --></div>
The CSS
Next let's give it some flair:...
What is PostgreSQL explain telling me exactly?
...ood technical documentation. A video of the talk might be helpful, but the information density of that slide deck is very close to zero. In the first six slides (1/5th of the total), there is exactly 1 sentence of technical content: "• EXPLAIN works on any DML not just SELECT (ie UPDATE, DELETE, a...
Ignore mouse interaction on overlay image
...FF.
For somebody to come up with more details, you would have to post more info, a link would be best.
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Regular expression for a hexadecimal number?
...pt, python , golang, etc.).
This answer was taken from:http://ult-tex.net/info/perl/
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How to make an AJAX call without jQuery?
...s returned');
}
}
};
xmlhttp.open("GET", "ajax_info.txt", true);
xmlhttp.send();
}
</script>
With jQuery:
$.ajax({
url: "test.html",
context: document.body,
success: function(){
$(this).addClass("done");
}
});
...
How to compare arrays in JavaScript?
...jects by reference, functions by reference. See the MDN reference for more info about the comparison operators).
UPDATE
From what I read from the comments, sorting the array and comparing may give accurate result:
const array2Sorted = array2.slice().sort();
array1.length === array2.length &&...
What happens if i return before the end of using statement? Will the dispose be called?
...ution path, Dispose is guaranteed to be called, no matter what.
For more information, see this MSDN article.
Addendum:
Just a little caveat to add: because Dispose is guaranteed to be called, it's almost always a good idea to ensure that Dispose never throws an exception when you implement IDisp...