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Hidden Features of Java
After reading Hidden Features of C# I wondered, What are some of the hidden features of Java?
100 Answers
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What is the difference between task and thread?
In C# 4.0, we have Task in the System.Threading.Tasks namespace. What is the true difference between Thread and Task . I did some sample program(help taken from MSDN) for my own sake of learning with
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Immediate function invocation syntax
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I'm glad I read this. I've just finished reading Javascript: The Good Parts, and what I kept thinking was that assigning the result of calling a function is really bad syntax, because you have to look at the first and last lines to unde...
Is there any difference between a GUID and a UUID?
...ion being used as the definition of UUID.
If you think that was confusing, read the ITU-T X.667 ISO/IEC 9834-8:2004 which is supposed to be aligned and fully technically compatible with RFC 4122. It has an extra sentence in Clause 11.2 that says, "All UUIDs conforming to this Recommendation | Inter...
How can I get the current network interface throughput statistics on Linux/UNIX? [closed]
.../statistics";
my %stats = do {
opendir +(my $dh), $dir;
local @_ = readdir $dh;
closedir $dh;
map +($_, []), grep !/^\.\.?$/, @_;
};
if (-t STDOUT) {
while (1) {
print "\033[H\033[J", run();
my ($time, $us) = gettimeofday();
my ($sec, $min, $hour) = local...
Differences between utf8 and latin1
...SCII. Bin isn't an encoding. It's usually an option that you can give when reading a file, telling the IO functions to not apply any encoding, but instead just read the file byte by byte.
– sepp2k
May 17 '17 at 11:38
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How do I get a value of datetime.today() in Python that is “timezone aware”?
... timezones.
Working with local timezones can be very tricky (see "Further reading" links below), so you may rather want to use UTC throughout your application, especially for arithmetic operations like calculating the difference between two time points.
You can get the current date/time like so:
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What is N-Tier architecture?
...n quite a few developer job postings recently that include a sentence that reads more or less like this: "Must have experience with N-Tier architecture", or "Must be able to develop N-Tier apps".
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TypeError: got multiple values for argument
I read the other threads that had to do with this error and it seems that my problem has an interesting distinct difference than all the posts I read so far, namely, all the other posts so far have the error in regards to either a user created class or a builtin system resource. I am experiencing th...
Rails extending ActiveRecord::Base
I've done some reading about how to extend ActiveRecord:Base class so my models would have some special methods. What is the easy way to extend it (step by step tutorial)?
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