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How to display request headers with command line curl
... stdout
-o /dev/null : Ignore response body
This is better than -I as it doesn't send a HEAD request, which can produce different results.
It's better than -v because you don't need so many hacks to un-verbose it.
share
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Why are Where and Select outperforming just Select?
... operation.
Where+Select creates an iterator that skips invalid elements (doesn't yield them), performing a + only on the valid items.
So, the cost for a Select is:
t(s) = n * ( cost(check valid) + cost(+) )
And for Where+Select:
t(ws) = n * ( cost(check valid) + p(valid) * (cost(yield) ...
How do I remove blank elements from an array?
... @Nico blank? is only available through ActiveSupport. Standard Ruby does use String#empty?: ruby-doc.org/core-1.9.3/String.html#method-i-empty-3F
– Michael Kohl
Sep 10 '12 at 15:00
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How to fix “Headers already sent” error in PHP
...ns producing output
Raw <html> sections prior <?php code.
Why does it happen?
To understand why headers must be sent before output it's necessary
to look at a typical HTTP
response. PHP scripts mainly generate HTML content, but also pass a
set of HTTP/CGI headers to the webserver:
HTT...
How to use XPath contains() here?
...+1 to Jeff Yates' solution.
Here is a quick explanation why your approach does not work. This:
//ul[@class='featureList' and contains(li, 'Model')]
encounters a limitation of the contains() function (or any other string function in XPath, for that matter).
The first argument is supposed to be a...
Accessing an array out of bounds gives no error, why?
...allows both. operator[] is designed to be efficient. The language standard does not require that it performs bounds checking (although it does not forbid it either). A vector also has the at() member function which is guaranteed to perform bounds-checking. So in C++, you get the best of both worlds ...
T-SQL - function with default parameters
...ing the coder to always be aware that "hey, you're calling a function that DOES have this and this other arguments, that happen to have default values. Don't forget that the default values MAY BE CHANGED". So, IMO, this is a good "bad thing" to have.
– Gustavo Pinsard
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How to permanently disable region-folding in Visual Studio 2008
... folding but collapse comments, loops, methods, etc I wrote a plugin that does this for you.
Make #regions suck less (for free):
http://visualstudiogallery.msdn.microsoft.com/0ca60d35-1e02-43b7-bf59-ac7deb9afbca
Auto Expand regions when a file is opened
Optionally prevent regions from being col...
Getting the filenames of all files in a folder [duplicate]
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@RoflcoptrException One doubt. Does this listofFiles[i] points to the first file in the folder (last created), or the last file (first created) ?
– Justin George
Jan 14 '15 at 9:07
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Why can't strings be mutable in Java and .NET?
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@PRINCESSFLUFF This answer doesn't address strings specifically. That was the OPs question. It's so frustrating - this happens all the time on SO and with String immutability questions as well. The answer here talks about general benefits of immutabili...