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What is the behavior difference between return-path, reply-to and from?
...ion1 Microsoft ESMTP MAIL Service
{C}HELO workstation1
{S}250 workstation1 Hello [127.0.0.1]
{C}MAIL FROM:<coolstuff-you=yourcompany.com@mymailinglist.com>
{S}250 2.1.0 me@mycompany.com....Sender OK
{C}RCPT TO:<you@yourcompany.com>
{S}250 2.1.5 you@yourcompany.com
{C}DATA
{S}354 Start m...
Traits vs. interfaces
... Forget "to_integer" - it's just an illustration. An example. A "Hello, World". An "example.com".
– J. Bruni
Feb 9 '12 at 4:15
2
...
FragmentPagerAdapter Exists Only In Android.Support.V4.App (and not Android.App)
...ppearance="?android:attr/textAppearanceMedium"
android:text="@string/hello_world"
android:background="#FF335555"/>
</LinearLayout>
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My attempt at value initialization is interpreted as a function declaration, and why doesn't A a(())
... write the code like this.
int puts(const char *);
int main() {
puts("Hello, world!");
}
C also allows you to define functions that take functions as arguments, with nice readable syntax that looks like a function call (well, it's readable, as long you won't return a pointer to function).
#i...
Why doesn't the example compile, aka how does (co-, contra-, and in-) variance work?
...hich are erroneously covariant):
Object[] arr = new Integer[1];
arr[0] = "Hello, there!";
We just assigned a value of type String to an array of type Integer[]. For reasons which should be obvious, this is bad news. Java's type system actually allows this at compile time. The JVM will "helpful...
How to have favicon / icon set when bookmarklet dragged to toolbar?
...:100%;height:50%">
setTimeout(()=>{ &%2313
alert('hello world'); /*Use this format for comments, use %2523 instead of hash (number sign)*/ &%2313
window.history.back(); &%2313
},200);
</textarea></div>
</div>
<script type...
Reverse a string in Python
...
How about:
>>> 'hello world'[::-1]
'dlrow olleh'
This is extended slice syntax. It works by doing [begin:end:step] - by leaving begin and end off and specifying a step of -1, it reverses a string.
...
How exactly does __attribute__((constructor)) work?
... SECTION( S ) __attribute__ ((section ( S )))
void test(void) {
printf("Hello\n");
}
void (*funcptr)(void) SECTION(".ctors") =test;
void (*funcptr2)(void) SECTION(".ctors") =test;
void (*funcptr3)(void) SECTION(".dtors") =test;
One can also add the function pointers to a completely different se...
Should I use tag for icons instead of ? [closed]
...ter <!doctype html> <html lang="en"> <head> <title>Hello</title> </head> <body> <icon></icon> </body> </html> and you get a single error, saying Error: Element icon not allowed as child of element body in this context.
...
Why is C so fast, and why aren't other languages as fast or faster? [closed]
...plication programming. If one finds it hard to make projects bigger than a hello world, then the problem is with the programmer, not with the language...
– user529758
May 19 '13 at 16:15
...