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How can you debug a CORS request with cURL?
...ts CORS.
Rationale for alternative answer
I google this question every now and then and the accepted answer is never what I need. First it prints response body which is a lot of text. Adding --head outputs only headers. Second when testing S3 URLs we need to provide additional header -H "Access-...
font-style: italic vs oblique in CSS
...not to be italicized or obliqued... but people did anyway. And as you may know, some operating systems will, upon clicking the 'italic' icon, skew the font and create an oblique on the fly. Not a pleasant sight.
It's best to specify an italic only when you're sure that font has been designed with o...
How to redirect cin and cout to files?
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Here is an working example of what you want to do. Read the comments to know what each line in the code does. I've tested it on my pc with gcc 4.6.1; it works fine.
#include <iostream>
#include <fstream>
#include <string>
void f()
{
std::string line;
while(std::getline(...
What does the ??!??! operator do in C?
...ASCII, but not US-ASCII) there were 18 region-specific codes, but I don't know which codes they were. The one thing I can say for sure - in the British "ASCII", # was replaced with £. In other regions, maybe "ASCII" had no braces etc.
– Steve314
Oct 20 '11 at ...
How to access maven.build.timestamp for resource filtering
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I can confirm as of Maven 3.x {maven.build.timestamp} is "working" now. They work arounded the problem, apparently. No additional properties workaround needed anymore.
However, be careful your "filtering" plugin (maven-resources-plugin) is up to date. It needs to be relatively new, so if...
What is the difference between named and positional parameters in Dart?
...etHttpUrl('example.com', '/index.html', 8080, 5);
Of course, unless you know what 8080 and 5 are, it's hard to tell what those apparently magic numbers are. You can use named optional parameters to create more readable APIs.
Named optional parameters
A parameter wrapped by { } is a named optiona...
Posting a File and Associated Data to a RESTful WebService preferably as JSON
... wanting to use JSON for the request and if that was possible. I already know that I could send it the way you suggest.
– Gregg
Nov 3 '10 at 3:05
16
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What does the exclamation mark mean in a Haskell declaration?
...ly Just (5+5), leaving the thunk inside unevaluated. This is important to know, though I think that all the implications of this go rather beyond the scope of this question.
You can annotate function arguments in the same way, if you enable the BangPatterns language extension:
f x !y = x*y
f (1+...
Convert datetime to Unix timestamp and convert it back in python
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@J.F.Sebastian: But pytz doesn't help unless you already know which timezone you're in; to do that programmatically, you need a different library that gets the current Windows timezone and converts it to a pytz timezone and/or looks it up by name.
– abarnert
...
Is there any difference between GROUP BY and DISTINCT
...s.
For example, if you have a bunch of purchase records, and you want to know how much was spent by each department, you might do something like:
SELECT department, SUM(amount) FROM purchases GROUP BY department
This will give you one row per department, containing the department name and the su...