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C# Error: Parent does not contain a constructor that takes 0 arguments
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203
Since you don't explicitly invoke a parent constructor as part of your child class constructor,...
Is it better to use std::memcpy() or std::copy() in terms to performance?
... 5 strings using all four SHA-2 versions (224, 256, 384, 512), and I loop 300 times. I measure times using Boost.timer. That 300 loop counter is enough to completely stabilize my results. I ran the test 5 times each, alternating between the memcpy version and the std::copy version. My code takes adv...
“You don't have a SNAPSHOT project in the reactor projects list.” when using Jenkins Maven release p
I'm using SVN, Maven 3.0.3 on the latest version of Jenkins and the Maven Release plugin. I'm trying to use the Maven release plugin (through Jenkins) do a dry run and so am executing the options …
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Using jquery to get element's position relative to viewport
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edited Apr 17 '13 at 9:50
Pang
8,2181717 gold badges7373 silver badges111111 bronze badges
answered Oc...
How do I get the full path to a Perl script that is executing?
...during execution. I discovered that depending on how you call the script $0 varies and sometimes contains the fullpath+filename and sometimes just filename . Because the working directory can vary as well I can't think of a way to reliably get the fullpath+filename of the script.
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How to pass optional arguments to a method in C++?
...e of passing mode as optional parameter
void myfunc(int blah, int mode = 0)
{
if (mode == 0)
do_something();
else
do_something_else();
}
you can call myfunc in both ways and both are valid
myfunc(10); // Mode will be set to default 0
myfunc(10, 1); // Mode will be ...
How to match a String against string literals in Rust?
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101
You can do something like this:
match &stringthing[..] {
"a" => println!("0"),
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python plot normal distribution
...ot as plt
import numpy as np
import scipy.stats as stats
import math
mu = 0
variance = 1
sigma = math.sqrt(variance)
x = np.linspace(mu - 3*sigma, mu + 3*sigma, 100)
plt.plot(x, stats.norm.pdf(x, mu, sigma))
plt.show()
s...
Scrolling a flexbox with overflowing content
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answered Feb 4 '14 at 0:59
Joseph SilberJoseph Silber
184k4747 gold badges324324 silver badges265265 bronze badges
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Clearing a string buffer/builder after loop
...ete method as follows:
StringBuffer sb = new StringBuffer();
for (int n = 0; n < 10; n++) {
sb.append("a");
// This will clear the buffer
sb.delete(0, sb.length());
}
Another option (bit cleaner) uses setLength(int len):
sb.setLength(0);
See Javadoc for more info:
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