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Detect & Record Audio in Python
... had is whether there is a way to define the time period of the recording. Now it records a word? Can I play with it and have a record period of e.g. 10 seconds? Thanks!
– Swan87
Apr 6 '16 at 14:26
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Calculating moving average
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Some years later but dplyr now has a filter function, if you have this package loaded use stats::filter
– blmoore
Apr 8 '15 at 14:00
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Why prefer two's complement over sign-and-magnitude for signed numbers?
... to 4 bits for size). In the two's complement way, they are 0010 and 1111. Now, let's say I want to add them.
Two's complement addition is very simple. You add numbers normally and any carry bit at the end is discarded. So they're added as follows:
0010
+ 1111
=10001
= 0001 (discard the carry)
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Is there any simple way to find out unused strings in Android project?
... As @FrankHarper said: it did not previously. As Lord Flash said, it does now: Warning: The resource R.string.... appears to be unused [UnusedResources] [lint] <string name="...">some text</string>
– serv-inc
Nov 4 '15 at 8:26
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Inject service in app.config
...essage;
})
.then(function(){
// now we return an object with data or information about error
// for special handling inside your application configuration
return status;
})
}
}
Now, you have a config...
Writing a compiler in its own language
...
@robru I don't know about K&R's process, I'm sure this wasn't the case for it, but theoretically, the source could compile itself from the very beginning. And as long as you have something or someone who can correctly execute the program...
What are inline namespaces for?
...8/03
inline
# endif
namespace cxx_1997 {
// std::vector now has an allocator argument
template <class T, class Alloc=std::allocator<T> >
class vector : pre_cxx_1997::__vector_impl<T> { // the old impl is still good
// ...
};
...
string sanitizer for filename
...at will sanitize a string and make it ready to use for a filename. Anyone know of a handy one?
17 Answers
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Increasing the maximum number of TCP/IP connections in Linux
...n's capability, bump it up from default 128 to something like 128 to 1024. Now you can take advantage of this increase by modifying the listen backlog variable in your application's listen call, to an equal or higher integer.
sysctl net.core.somaxconn=1024
txqueuelen parameter of your ethernet ca...
textarea's rows, and cols attribute in CSS
... thing about doing it the CSS way is that you can completely style it up. Now you can add things like:
textarea{
width:400px;
height:100px;
border:1px solid #000000;
background-color:#CCCCCC;
}
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