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Convert an NSURL to an NSString
... answered Nov 10 '11 at 16:23
RandallRandall
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How can I generate an MD5 hash?
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The compute the hash by doing one of:
Feed the entire input as a byte[] and calculate the hash in one operation with md.digest(bytes).
Feed the MessageDigest one byte[] chunk at a time by calling md.update(bytes). When you're done adding input bytes, calculate the hash with
md.digest().
The by...
How to get HTTP response code for a URL in Java?
...getResponseCode();
This is by no means a robust example; you'll need to handle IOExceptions and whatnot. But it should get you started.
If you need something with more capability, check out HttpClient.
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Java enum - why use toString instead of name
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name() is a "built-in" method of enum. It is final and you cannot change its implementation. It returns the name of enum constant as it is written, e.g. in upper case, without spaces etc.
Compare MOBILE_PHONE_NUMBER and Mobile phone number. Which version is more readable? I...
Android Studio: how to remove/update the “Created by” comment added to all new classes?
By default Android Studio automatically adds a header comment to all new classes, e.g.
9 Answers
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Determining Referer in PHP
What is the most reliable and secure way to determine what page either sent, or called (via AJAX), the current page. I don't want to use the $_SERVER['HTTP_REFERER'] , because of the (lack of) reliability, and I need the page being called to only come from requests originating on my site.
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What is the difference between a symbolic link and a hard link?
Recently I was asked this during a job interview. I was honest and said I knew how a symbolic link behaves and how to create one, but do not understand the use of a hard link and how it differs from a symbolic one.
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关于php的socket初探 - 更多技术 - 清泛网 - 专注C/C++及内核技术
..._enable($buffer, EV_READ | EV_PERSIST);
// we need to save both buffer and connection outside
self::$connections[$id] = $connection;
self::$buffers[$id] = $buffer;
}
function ev_error($buffer, $error, $id)
{
event_buffer_disable(self::$buffers[$id], EV_READ | EV_WRITE);
event_buf...
Find full path of the Python interpreter?
... @JohnFreeman: I tried this on a GNU/Linux box w/ GNU coreutils 8.4 (env) and Python 3.4.2. #!/usr/bin/env python3 will return the correct full binary path via sys.executable. Perhaps your OS or Python version behaves slightly differently.
– kevinarpe
May 22...
What is Java String interning?
What is String Interning in Java, when I should use it, and why ?
7 Answers
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