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Pointers in C: when to use the ampersand and the asterisk?
I'm just starting out with pointers, and I'm slightly confused. I know & means the address of a variable and that * can be used in front of a pointer variable to get the value of the object that is pointed to by the pointer. But things work differently when you're working with arrays, string...
How to run iPhone emulator WITHOUT starting Xcode?
On my old Mac running Snow Leopard, I could type "ios" into spotlight and it would start up the iPhone/iPad emulator by itself.
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Node Version Manager install - nvm command not found
...you're missing that folder then the installation failed to run the git command. This could be due to being behind a proxy. Try running the following instead.
git clone http://github.com/creationix/nvm.git .nvm
share
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Is there a “do … until” in Python? [duplicate]
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BTW, this is called "loop-and-a-half". Python continues to support this construct because it's one of the easiest loop patterns to correctly write and understand. See cs.duke.edu/~ola/patterns/plopd/loops.html#loop-and-a-half
– B...
Are there any reasons to use private properties in C#?
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I use them if I need to cache a value and want to lazy load it.
private string _password;
private string Password
{
get
{
if (_password == null)
{
_password = CallExpensiveOperation();
}
return _password;
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What Makes a Good Unit Test? [closed]
I'm sure most of you are writing lots of automated tests and that you also have run into some common pitfalls when unit testing.
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How to redirect output to a file and stdout
In bash, calling foo would display any output from that command on the stdout.
10 Answers
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Print all properties of a Python Class [duplicate]
...ordered results. If you need to print for example in order of declaration, and you do not want to do it manually, check this
– Matteo A
Aug 14 '15 at 8:41
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Difference between null and empty (“”) Java String
What is the difference between null and the "" (empty string)?
22 Answers
22
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Can I add a custom attribute to an HTML tag?
...o verify this behavior: "If you download the sample files for this article and validate file internal.html, you can see this for yourself. Unfortunately, when you display the file in a browser, the ]> shows up on the screen. There’s no way around this bug, so this approach is right out."
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