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Using do block vs braces {}
...way from this to always use braces. I don't remember to ever have used the info from the block style, and the definition is kinda vague. For example:
date = Timecop.freeze(1.year.ago) { format_date(Time.now) }
customer = Timecop.freeze(1.year.ago) { create(:customer) }
Are these procudual or func...
What is the difference between ${var}, “$var”, and “${var}” in the Bash shell?
...change things for test -n. This is specifically given as an example in the info text for coreutils, but not really explained:
16.3.4 String tests
-------------------
These options test string characteristics. You may need to quote
STRING arguments for the shell. For example:
test -n "$V"
...
Entity Framework DateTime and UTC
... it to be serialized as UTC, or converted to other time zones with TimeZoneInfo.
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C# 'is' operator performance
...assType = MyBaseClass.ClassTypeEnum.B;
}
}
JubJub: As requested more info on the tests.
I ran both tests from a console app (a debug build) each test looks like the following
static void IsTest()
{
DateTime start = DateTime.Now;
for (int i = 0; i < 10000000; i++)
{
MyB...
Java: difference between strong/soft/weak/phantom reference
...y they are never collected.)
You can refer to the following link for more info :
http://docs.oracle.com/javase/1.4.2/docs/api/java/lang/ref/Reference.html
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Verify a certificate chain using openssl verify
...WARNING: do NOT use this if Intermediate.pem is at all untrusted. For more info read here: mail.python.org/pipermail/cryptography-dev/2016-August/…
– Greg Smethells
Mar 17 '17 at 20:32
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How to swap files between windows in VIM?
...trl-W, Shift-J and Ctrl-W, Shift-L). See:
:help window-moving
for more information.
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What are the differences between Clojure, Scheme/Racket and Common Lisp?
...are transactional memory at the language level (worth watching: http://www.infoq.com/presentations/Value-Identity-State-Rich-Hickey)
Scheme distinctive features:
Arguably the simplest and easiest to learn Lisp
Hygienic macros (see http://en.wikipedia.org/wiki/Hygienic_macro) - elegantly avoids t...
Wrap a delegate in an IEqualityComparer
...
Very interesting, thanks for the info. I had no idea GetHashCode had these LINQ implications until seeing these answers. Great to know for future use.
– Justin Morgan
May 10 '12 at 14:51
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What is external linkage and internal linkage?
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Info that might greatly enhance this answer: 1) static is not deprecated anymore in C++11. 2) anonymous namespace members in C++11 have internal linkage by default. See stackoverflow.com/questions/10832940/…
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