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How to add a progress bar to a shell script?
...?}
done
If you already have a loop which does a lot of work, you can call the
following function at the beginning of each iteration to update the
spinner:
sp="/-\|"
sc=0
spin() {
printf "\b${sp:sc++:1}"
((sc==${#sp})) && sc=0
}
endspin() {
printf "\r%s\n" "$@"
}
until wo...
What are the differences between NP, NP-Complete and NP-Hard?
...f someone gives us an instance of the problem and a certificate (sometimes called a witness) to the answer being yes, we can check that it is correct in polynomial time.
Example
Integer factorisation is in NP. This is the problem that given integers n and m, is there an integer f with 1 < f <...
“document.getElementByClass is not a function”
...e is not a function
in older browsers, though, in which case you can provide a fallback implementation if you need to support those older browsers.
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private[this] vs private
... Actually, there isn't much to tell. JIT should inline the accessor method calls generated by private anyway, so the impact should be zero or at least very very small.
– Alexey Romanov
Mar 14 '12 at 11:49
...
Setting the correct encoding when piping stdout in Python
...ing every string excplictly is bound to cause bugs when a encode or decode call is missing or added once to much somewhere. The output encoding can be set when output is a terminal, so it can be set when output is not a terminal. There is even a standard LC_CTYPE environment to specify it. It is ...
Changing variable names in Vim
...W\)' . word_to_replace . '\(\W\)/\1' . replacement . '\2/gc'
endfunction
Call it with :call Rnvar()
expand("<cword>") gets the word under the cursor. The search string uses % for file-scope, and the \(\W\) patterns look for non-word characters at the boundary of the word to replace, and sav...
Is it good practice to use java.lang.String.intern()?
... That's not right. Interning of Strings occurs always, automatically, when each string expression is evaluated. There's always one copy for each unique string of characters used & it's "internally shared" if multiple usages occur. Calling String.intern() does not make this all happ...
Cookie blocked/not saved in IFRAME in Internet Explorer
...As it is, Internet Explorer gives lower level of trust to IFRAME pages (IE calls this "third-party" content). If the page inside the IFRAME doesn't have a Privacy Policy, its cookies are blocked (which is indicated by the eye icon in status bar, when you click on it, it shows you a list of blocked U...
How can I build XML in C#?
...ose the writer properly. There is also another way to do that, in stead of calling writer.Close() directly. You can wrap the call to Create() in a using statement like this: using(XmlWriter writer = XmlWriter.Create(Console.Out)) { writer.WriteStartElement("Foo"); etc } There is another (a bit more ...
How to store int[] array in application Settings
... initialized to their last (or default) settings before the constructor is called.
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