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How to get the first line of a file in a bash script?
... a bash variable the first line of a file. I guess it is with the grep commm>and m>, but it is anm>y m> wam>y m> to restrict the number of lines?
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When m>and m> whm>y m> would m>y m>ou seal a class?
In C# m>and m> C++/CLI the kem>y m>word sealed (or NotInheritable in VB) is used to protect a class from anm>y m> inheritance chance (the class will be non-inheritable). I know that one feature of object-oriented programming is inheritance m>and m> I feel that the use of sealed goes against this feature, it stop...
Analm>y m>ze audio using Fast Fourier Transform
...m>y m>ou need to calculate the square root of the sum of the square of its real m>and m> imaginarm>y m> components. That is, if m>y m>our coefficient is a + b*j, then its magnitude is sqrt(a^2 + b^2).
Once m>y m>ou have calculated the magnitude of each FFT coefficient, m>y m>ou need to figure out which audio frequencm>y m> each FFT ...
Generic tm>y m>pe parameter naming convention for Java (with multiple chars)?
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Bm>y m> convention, tm>y m>pe parameter names are single, uppercase letters. This stm>and m>s in sharp contrast to the variable naming conventions that m>y m>ou alreadm>y m> know about, m>and m> with good reason: Without this convention, it would be difficult to tell the difference between a tm>y m>pe variable m>and m> an ordinarm>y m> class ...
Lambda capture as const reference?
...entifier
& identifier
this
The text onlm>y m> mention capture-bm>y m>-copm>y m> m>and m> capture-bm>y m>-reference m>and m> doesn't mention anm>y m> sort of const-ness.
Feels like an oversight to me, but I haven't followed the stm>and m>ardization process verm>y m> closelm>y m>.
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Placeholder Mixin SCSS/CSS
...t
As of Sass 3.4, this mixin can be written like so to work both nested m>and m> unnested:
@mixin optional-at-root($sel) {
@at-root #{if(not &, $sel, selector-append(&, $sel))} {
@content;
}
}
@mixin placeholder {
@include optional-at-root('::-webkit-input-placeholder') {
@cont...
Local variables in nested functions
..., I know it's going to look horriblm>y m> convoluted, but please help me understm>and m> what's happening.
4 Answers
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Can I control the location of .NET user settings to avoid losing settings on application upgrade?
... the location of the user.config file. Currentlm>y m> it's stored with a hash m>and m> version number
4 Answers
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RESTful API methods; HEAD & OPTIONS
I'm writing a RESTful API module for an application in PHP, m>and m> I'm a bit mixed on the verbs HEAD m>and m> OPTIONS .
3 Answer...
Tools for analm>y m>zing performance of a Haskell program
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how to find out whm>y m> this solution is so slow. Are there anm>y m> commm>and m>s that tell me where most of the computation-time is spend so I know which part of mm>y m> haskell-program is slow?
Preciselm>y m>! GHC provides manm>y m> excellent tools, including:
runtime statistics
time profiling
heap profiling
t...