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How do I negate a test with regular expressions in a bash script?
Using GNU bash (version 4.0.35(1)-release (x86_64-suse-linux-gnu), I would like to negate a test with Regular Expressions. For example, I would like to conditionally add a path to the PATH variable, if the path is not already there, as in:
...
How to emulate C array initialization “int arr[] = { e1, e2, e3, … }” behaviour with std::array?
...
Best I can think of is:
template<class T, class... Tail>
auto make_array(T head, Tail... tail) -> std::array<T, 1 + sizeof...(Tail)>
{
std::array<T, 1 + sizeof...(Tail)> a = { head, tail ... };
return a;
}
auto a = make_array(1, 2, 3);
However, this requires the ...
Switch branch names in git
...ing else, then rename your new branch to master:
git branch -m master crap_work
git branch -m previous_master master
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How to send a correct authorization header for basic authentication
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Per https://developer.mozilla.org/en-US/docs/Web/API/WindowBase64/Base64_encoding_and_decoding and http://en.wikipedia.org/wiki/Basic_access_authentication , here is how to do Basic auth with a header instead of putting the username and password in the URL. Note that this still doesn't hide the u...
Is it better to reuse a StringBuilder in a loop?
...-time );
}
}
Results:
25265
17969
Note that this is with JRE 1.6.0_07.
Based on Jon Skeet's ideas in the edit, here's version 2. Same results though.
public class ScratchPad {
static String a;
public static void main( String[] args ) throws Exception {
long time = Syst...
What is JSON and why would I use it?
...nguages too.
A useful link for detail is here:
http://secretgeek.net/json_3mins.asp
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What does the filter parameter to createScaledBitmap do?
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Filter will set the FILTER_BITMAP_FLAG for painting which affects the sampling of bitmaps when they are transformed based on the value that you provide.
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What does Provider in JAX-RS mean?
...on 2.1 Final Release July 13, 2017) download.oracle.com/otn-pub/jcp/jaxrs-2_1-final-spec/…
– burntsugar
Jan 4 '19 at 0:57
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How do I make a redirect in PHP?
...at the W3C says
4. Alternatives
You may use the alternative method of http_redirect($url); which needs the PECL package pecl to be installed.
5. Helper Functions
This function doesn't incorporate the 303 status code:
function Redirect($url, $permanent = false)
{
header('Location: ' . $url, true...
How can I check if the current date/time is past a set date/time?
...hat does function does it implement for this?
– still_dreaming_1
Sep 2 '17 at 3:57
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