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Get person's age in Ruby
I'd like to get a person's age from its birthday. now - birthday / 365 doesn't work, because some years have 366 days. I came up with the following code:
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Understanding events and event handlers in C#
...tes. In C#, you can think of a delegate as a pointer (or a reference) to a method. This is useful because the pointer can be passed around as a value.
The central concept of a delegate is its signature, or shape. That is (1) the return type and (2) the input arguments. For m>ex m>ample, if we create a d...
How to recursively find the latest modified file in a directory?
It seems that ls doesn't sort the files correctly when doing a recursive call:
21 Answers
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How can I check if a file m>ex m>ists in Perl?
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Test whether something m>ex m>ists at given path using the -e file-test operator.
print "$base_path m>ex m>ists!\n" if -e $base_path;
However, this test is probably broader than you intend. The code above will generate output if a plain file m>ex m>ist...
Vagrant's port forwarding not working [closed]
I'm running into a small problem at the end of the Getting Started guide for vagrant . I'm working on a CentOS basebox that has Apache2 running (provisioning via Puppet). I've set up port forwarding for web requests using the following line in Vagrantfile :
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What does tree-ish mean in Git?
...bjects has its own sha1 hash ID, since Linus Torvalds designed
Git like an content- addressable filesystem, i.e. files can be retrieved
based on their content (sha1 IDs are generated from file content). The Pro Git
book gives this m>ex m>ample diagram:
Many Git commands can accept special identifiers ...
VIM Ctrl-V Conflict with Windows Paste
I am using VIM in Windows. The problem is that I want to use Ctrl V as a visual mode. However, this key has conflict with Windows paste. How can I reset this key back to VIM visual mode instead of pasting. I prefer to set this in my _vimrc configuration file.
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Why would I want stage before committing in Git?
I'm new to version control and I understand that "committing" is essentially creating a backup while updating the new 'current' version of what you're working on.
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How do ACID and database transactions work?
...printer m>ex m>ample to make it more m>ex m>plainable
1 document which had 2 pages content was sent to printer
Transaction - document sent to printer
atomicity - printer prints 2 pages of a document or none
consistency - printer prints half page and the page gets stuck. The printer restarts itself an...
how to read all files inside particular folder
...string file in Directory.EnumerateFiles(folderPath, "*.xml"))
{
string contents = File.ReadAllTm>ex m>t(file);
}
Note the above uses a .NET 4.0 feature; in previous versions replace EnumerateFiles with GetFiles). Also, replace File.ReadAllTm>ex m>t with your preferred way of reading xml files - perhaps ...