大约有 30,000 项符合查询结果（耗时：0.0230秒） [XML]
C++ performance challenge: integer to std::string conversion
...testing results:
Code Sources:
- Voigt
- Timo
- ergosys
- user434507
- user-voigt-timo
- hopman-fun
- hopman-fast
gcc 4.4.5 -O2 on Ubuntu 10.10 64-bit, Core i5
hopman_fun: 124.688 MB/sec --- 8.020 s
hopman_fast: 137.552 MB/sec --- 7.270 s
voigt: 120.192 MB/sec --- 8.320 s
use...
Dynamically update values of a chartjs chart
...7]
},
{
fillColor : "rgba(151,187,205,0.5)",
strokeColor : "rgba(151,187,205,1)",
pointColor : "rgba(151,187,205,1)",
pointStrokeColor : "#fff",
data : [28,48,40,19,96,87,66,97,92,85]
...
psql: FATAL: database “” does not exist
...
In my case i wrote $ createdb -h localhost to solve the error could not connect to database postgres: could not connect to server. After that i may connect to postgresql console via psql -h localhost.
– ExiRe
Jan 9 '14 at 14:23
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What is the --save option for npm install?
...
Looks like npm will not fire any error if you put a none exist option, like --save-xxxxxx. It just ignore it and the default behavior --save-prod will be in affect. Maybe --save comes from some old npm version.
– leon
M...
Most efficient way to create a zero filled JavaScript array?
... are medium fast for small arrays
solution based on Array.apply (P) throws error for big arrays
function P(n) {
return Array.apply(null, Array(n)).map(Number.prototype.valueOf,0);
}
try {
P(1000000);
} catch(e) {
console.error(e.message);
}
Code and example
Below code presents s...
Java: random long number in 0
...odify this to perform nextLong:
long nextLong(Random rng, long n) {
// error checking and 2^x checking removed for simplicity.
long bits, val;
do {
bits = (rng.nextLong() << 1) >>> 1;
val = bits % n;
} while (bits-val+(n-1) < 0L);
return val;
}
...
How to install gem from GitHub source?
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ERROR: While executing gem ... (NoMethodError) undefined method 'build' for Gem::Package:Module Sounds very cool but I won't be looking into it further. Just wanted to post that it didn't work for me in case someone else...
.htaccess redirect all pages to new domain
... YOUYOU
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Average of 3 long integers
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answered May 30 '14 at 8:05
Patrick HofmanPatrick Hofman
140k1919 gold badges211211 silver badges281281 bronze badges
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MySQL date format DD/MM/YYYY select query?
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John CondeJohn Conde
202k8888 gold badges405405 silver badges453453 bronze badges
3
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