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Abort a git cherry-pick?
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answered May 29 '13 at 18:01
agminagmin
6,82022 gold badges1717 silver badges2525 bronze badges
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Create Django model or update if exists
... update the user object.
Sample use is as follows:
# In both cases, the call will get a person object with matching
# identifier or create one if none exists; if a person is created,
# it will be created with name equal to the value in `name`.
# In this case, if the Person already exists, its exi...
Transparent ARGB hex value
The colors in this table is all not transparent. I guess the value for the A is set to FF .
5 Answers
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How to convert a string or integer to binary in Ruby?
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You would naturally use Integer#to_s(2), String#to_i(2) or "%b" in a real program, but, if you're interested in how the translation works, this method calculates the binary representation of a given integer using basic operators:
def int_t...
Performance of foreach, array_map with lambda and array_map with static function
...hmark since poster didn't do it. Running on PHP 5.3.10 + XDebug.
UPDATE 2015-01-22 compare with mcfedr's answer below for additional results without XDebug and a more recent PHP version.
function lap($func) {
$t0 = microtime(1);
$numbers = range(0, 1000000);
$ret = $func($numbers);
$t1 =...
Memcached vs. Redis? [closed]
...re popular, and better supported than memcached. Memcached can only do a small fraction of the things Redis can do. Redis is better even where their features overlap.
For anything new, use Redis.
Memcached vs Redis: Direct Comparison
Both tools are powerful, fast, in-memory data stores that are usef...
How to generate a random number between a and b in Ruby?
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answered Dec 9 '10 at 6:01
NakilonNakilon
31.1k1212 gold badges9494 silver badges125125 bronze badges
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What is a method group in C#?
...ng format), etc - hence ToString by itself is a "method group".
It can usually convert a method group to a (typed) delegate by using overload resolution - but not to a string etc; it doesn't make sense.
Once you add parentheses, again; overload resolution kicks in and you have unambiguously identi...
How to dismiss ViewController in Swift?
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Bob Gilmore
8,6361010 gold badges4646 silver badges4949 bronze badges
answered Jan 19 '15 at 16:36
LAOMUSIC ARTSLAOMUSI...
What does the M stand for in C# Decimal literal notation?
... Although it has been suggested that M
stands for money, Peter Golde recalls
that M was chosen simply as the next
best letter in decimal.
A similar annotation mentions that early versions of C# included "Y" and "S" for byte and short literals respectively. They were dropped on the grounds o...