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Setting the correct encoding when piping stdout in Python
...t of a Python program, the Python interpreter gets confused about encoding and sets it to None. This means a program like this:
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Difference between 'new operator' and 'operator new'?
...own container, you can call operator new directly, like:
char *x = static_cast<char *>(operator new(100));
It's also possible to overload operator new either globally, or for a specific class. IIRC, the signature is:
void *operator new(size_t);
Of course, if you overload an operator new...
How to implement onBackPressed() in Fragments?
...mixing safe calls (.?) and enforcing non-nulls (!!) can lead to NPEs - the cast is not always safe. I'd rather write if ((fragment as? IOnBackPressed)?.onBackPressed()?.not() == true) { ... } or more kotliney (fragment as? IOnBackPressed)?.onBackPressed()?.not()?.let { ... }
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Is it safe to check floating point values for equality to 0?
...rns true
The problem is, programmer sometimes forgets that implicit type cast (double to float) is happening for the comparison and the it results into a bug.
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jQuery SVG, why can't I addClass?
...VGAnimatedString { baseVal="test svg", animVal="test svg"}
If we were to cast that SVGAnimatedString object to a string as jQuery does, we would have [object SVGAnimatedString], which is where jQuery fails.
How the jQuery SVG plugin handles this:
The jQuery SVG plugin works around this by patching...
Zipping streams using JDK8 with lambda (java.util.stream.Streams.zip)
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Unless I'm missing something, there is no need for any cast (e.g. to Spliterator<A>).
– jub0bs
Aug 11 '16 at 14:41
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Allowed characters in Linux environment variable names
...llowed in Linux environment variable names? My cursory search of man pages and the web did only produce information about how to work with variables, but not which names are allowed.
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Is there a VB.NET equivalent for C#'s '??' operator?
... +1 for providing an implementation using generics and avoiding type casting/boxing/unboxing
– ulty4life
Dec 10 '13 at 22:54
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Quickly create a large file on a Linux system
...her answers is a good solution, but it is slow for this purpose. In Linux (and other POSIX systems), we have fallocate, which uses the desired space without having to actually writing to it, works with most modern disk based file systems, very fast:
For example:
fallocate -l 10G gentoo_root.img
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Sending email with PHP from an SMTP server
...l through a server that requires SMTP Auth, you really need to specify it, and set the host, username and password (and maybe the port if it is not the default one - 25).
For example, I usually use PHPMailer with similar settings to this ones:
$mail = new PHPMailer();
// Settings
$mail->IsSMTP...