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Are negative array indexes allowed in C?
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That is correct. From C99 §6.5.2.1/2:
The definition of the subscript
operator [] is that E1[E2] is
identical to (*((E1)+(E2))).
There's no magic. It's a 1-1 equivalence. As always when dereferencing a pointer (*), you need to b...
Math - mapping numbers
...line, with Y=f(X)=m*X+b, where m and b have been determined simultaneously from the following two constraint equations that result from substituting the values of X and Y at the required endpoints: C=m*A+b and D=m*B+b
– Chris Chiasson
Mar 9 '17 at 16:57
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Load image from resources area of project in C#
...d the image using the Properties/Resources UI, you get access to the image from generated code, so you can simply do this:
var bmp = new Bitmap(WindowsFormsApplication1.Properties.Resources.myimage);
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Handle Guzzle exception and get HTTP body
I would like to handle errors from Guzzle when the server returns 4xx and 5xx status codes. I make a request like this:
5 A...
What's Up with Logging in Java? [closed]
...ing frameworks. Similar to the goal of Commons Logging, but more intuitive from my experience.
– James McMahon
Jun 24 '09 at 17:57
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WebClient vs. HttpWebRequest/HttpWebResponse
...t, etc.
WebClient does not expose all of those (although you can subclass from WebClient and getaccess to the underlying Request object).
WebClient is useful for those situations where you just want to do an operation (eg: POST/GET/Form upload) and cant be bothered to create and manage the HttpWeb...
Facebook Callback appends '#_=_' to Return URL
...tication and Ryan's solution, for some reason just removes every parameter from the url. This solution works perfectly in my case.
– BlueSun3k1
Oct 14 '17 at 22:40
add a comme...
Integer.toString(int i) vs String.valueOf(int i)
...cal thing, but it is more useful for a developer to use the method valueOf from the String class than from the proper type, as it leads to fewer changes for us to make.
Sample 1:
public String doStuff(int num) {
// Do something with num...
return String.valueOf(num);
}
Sample2:
public ...
How can we programmatically detect which iOS version is device running on? [duplicate]
...n't handle well minor versions, it's sufficient if you need to recognize 5 from 6, but not 5.0.1 from 5.1.0
– Marek Sebera
Apr 4 '13 at 7:43
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What is the proper declaration of main?
...? What is the correct return type, and what does it mean to return a value from main ? What are the allowed parameter types, and what are their meanings?
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