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A fast method to round a double to a 32-bit int explained
... mantissa.
Now, to the magic number; as you correctly stated, 6755399441055744 is 2^51 + 2^52; adding such a number forces the double to go into the "sweet range" between 2^52 and 2^53, which, as explained by Wikipedia here, has an interesting property:
Between 252=4,503,599,627,370,496 and 2...
Very simple log4j2 XML configuration file using Console and File appender
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<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="INFO">
<Appenders>
<Console name="Console" target="SYSTEM_OUT">
<PatternLayout pattern="%d{HH:mm:ss.SSS} [%t] %-5level %logger{36} -...
Grouped LIMIT in PostgreSQL: show the first N rows for each group?
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edited Aug 11 '16 at 9:08
ngspkinga
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answered May 19 '11 at 19:5...
What is this CSS selector? [class*=“span”]
...>
Good references
CSS3 Attribute Selectors: Substring Matching
The 30 CSS Selectors you Must Memorize
W3C CSS3 Selectors
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Android TextWatcher.afterTextChanged vs TextWatcher.onTextChanged
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answered May 14 '11 at 18:03
MalcolmMalcolm
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How to get first 5 characters from string [duplicate]
...F-16, etc.) use mb_substr:
// singlebyte strings
$result = substr($myStr, 0, 5);
// multibyte strings
$result = mb_substr($myStr, 0, 5);
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What is the advantage of GCC's __builtin_expect in if else statements?
...e the assembly code that would be generated from:
if (__builtin_expect(x, 0)) {
foo();
...
} else {
bar();
...
}
I guess it should be something like:
cmp $x, 0
jne _foo
_bar:
call bar
...
jmp after_if
_foo:
call foo
...
after_if:
You can see that the instr...
is vs typeof
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answered Oct 8 '08 at 20:21
MagicKatMagicKat
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SVN:externals equivalent in Git?
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The Godfather
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answered Feb 20 '09 at 23:58
PaulPaul
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Coding Katas for practicing the refactoring of legacy code
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+100
I don't know of a site that catalogs them directly, but one strategy that I've used on occasion is this:
Find an old, small, unmain...