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File input 'accept' attribute - is it useful?
...From the HTML Specification (source)
The accept attribute may be specified to provide user agents with a
hint of what file types will be accepted.
If specified, the attribute must consist of a
set of comma-separated tokens,
each of which must be an
ASCII case-insensitive
match for...
How many socket connections can a web server handle?
...
In short:
You should be able to achieve in the order of millions of simultaneous active TCP connections and by extension HTTP request(s). This tells you the maximum performance you can expect with the right platform with the right configuration.
Today, I was w...
How to parse the AndroidManifest.xml file inside an .apk package
...w to load the byte[] from the app package file on the device. (There are fields whose purpose I don't understand, if you know what they mean, tell me, I'll update the info.)
// decompressXML -- Parse the 'compressed' binary form of Android XML docs
// such as for AndroidManifest.xml in .apk files...
Parse JSON in C#
... to do next, although there are a number of examples out there with simplified JSON strings.
7 Answers
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Why was the arguments.callee.caller property deprecated in JavaScript?
...ake inlining and tail recursion impossible in the general case (you can achieve it in select cases through tracing etc, but even the best code is sub optimal due to checks that would not otherwise be necessary). The other major issue is that the recursive call will get a different this value, for e...
Why not use exceptions as regular flow of control?
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Have you ever tried to debug a program raising five exceptions per second in the normal course of operation ?
I have.
The program was quite complex (it was a distributed calculation server), and a slight modification at one side of the pro...
How to write the Fibonacci Sequence?
...ogram wrongly. Instead of returning the Fibonacci numbers between a range (ie. startNumber 1, endNumber 20 should = only those numbers between 1 & 20), I have written for the program to display all Fibonacci numbers between a range (ie. startNumber 1, endNumber 20 displays = First 20 Fibonacci numbe...
Mimicking sets in JavaScript?
...ore a list of unique , unordered string values, with the following properties:
7 Answers
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What does the CSS rule “clear: both” do?
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Clearfix
Coming to clearfix which is related to floats. As already specified by @Elky, the way we are clearing these floats is not a clean way to do it as we are using an empty div element which is not a div element is meant for. Hence here comes the clearfix.
Think of it as a virtual element whi...
What's the difference between :: (double colon) and -> (arrow) in PHP?
...st to call a static method, so there's also a performance hit. With properties, however, there are more issues. A STRICT warning is raised and it may or may not work. Note that the reverse is also true -- you can call an instance method statically, but this is even worse (and you can't use $this in ...