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What's the difference between => , ()=>, and Unit=>
...name inside the function. For example, take this function:
def f(x: => Int) = x * x
If I call it like this
var y = 0
f { y += 1; y }
Then the code will execute like this
{ y += 1; y } * { y += 1; y }
Though that raises the point of what happens if there's a identifier name clash. In trad...
What is the difference between exit and return? [duplicate]
...in is a real function called by some startup code that does something like int ret = main(argc, argv); exit(ret);. The C standard guarantees that something equivalent to this happens if main returns, however the implementation handles it.
Example with return:
#include <stdio.h>
void f(){
...
Verify a certificate chain using openssl verify
...y) format. PEM is easy to spot: It is ASCII readable. For mor on how to convert something into PEM, see How to convert .crt to .pem and follow the yellow brick road.
Example:
You have:
intermediate2.crt the intermediate cert which signed your certificate.crt
intermediate1.crt another intermed...
How to return a 200 HTTP Status Code from ASP.NET MVC 3 controller
...
or rather "return new HttpStatusCodeResult((int)HttpStatusCode.OK);"
– dan
Dec 18 '12 at 10:10
1
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how do I initialize a float to its max/min value?
...n be represented; it gives the smallest normal single-precision floating point number. There are also subnormal numbers between zero and this number. In particular, std::numeric_limits<float>::min() gives 1.17549e-38 but the smallest representable subnormal float is nextafterf(0.0f, 1.0f) ==...
Start service in Android
...ly you don't have the service in your manifest, or it does not have an <intent-filter> that matches your action. Examining LogCat (via adb logcat, DDMS, or the DDMS perspective in Eclipse) should turn up some warnings that may help.
More likely, you should start the service via:
startServic...
How to print out the contents of a vector?
I want to print out the contents of a vector in C++, here is what I have:
19 Answers
1...
What is the “-->” operator in C++?
... \
\
\
> 0)
printf("%d ", x);
Not so mathematical, but... every picture paints a thousand words...
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Managing constructors with many parameters in Java
...he classes can have up to 30 parameters, 28 of which are just being passed into the super constructor.
8 Answers
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What's the purpose of the LEA instruction?
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As others have pointed out, LEA (load effective address) is often used as a "trick" to do certain computations, but that's not its primary purpose. The x86 instruction set was designed to support high-level languages like Pascal and C, where ...