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Why create “Implicitly Unwrapped Optionals”, since that implies you know there's a value?
...a UIView subclass until the view is loaded:
class MyView: UIView {
@IBOutlet var button: UIButton!
var buttonOriginalWidth: CGFloat!
override func awakeFromNib() {
self.buttonOriginalWidth = self.button.frame.size.width
}
}
Here, you cannot calculate the original width of...
How can I repeat a character in Bash?
...ring rather than just a single character: printf %100s | sed 's/ /abc/g' - outputs 'abcabcabc...'
– John Rix
Sep 11 '14 at 12:51
3
...
Can I have an IF block in DOS batch file?
...
echo GP Manager is down
:Continue7
Please note a few specific details about my sample code:
The space added between the end of the conditional statement, and the opening parenthesis.
I am setting @echo off to keep from seeing all of the statements printed to the console as they execute, and ins...
What is an undefined reference/unresolved external symbol error and how do I fix it?
...es to entities not defined in the
current translation. All such translator output is collected into a
program image which contains information needed for execution in its
execution environment. (emphasis mine)
[footnote] Implementations must behave as if these separate phases occur, although in pra...
How can I create an executable JAR with dependencies using Maven?
...ng. I removed the deprecated assembly goal, because no-one needs to know about that.
– Duncan Jones
Feb 21 '13 at 8:38
3
...
How can I respond to the width of an auto-sized DOM element in React?
...using React components, and am trying to convert the page from a static layout to a more responsive, resizable layout. However, I keep running into limitations with React, and am wondering if there's a standard pattern for handling these issues. In my specific case, I have a component that renders a...
accepting HTTPS connections with self-signed certificates
...ncycastle/bcprov-jdk16-145.jar" -storetype BKS -storepass mysecret
Should output the whole chain:
RootCA, 22.10.2010, trustedCertEntry, Thumbprint (MD5): 24:77:D9:A8:91:D1:3B:FA:88:2D:C2:FF:F8:CD:33:93
IntermediateCA, 22.10.2010, trustedCertEntry, Thumbprint (MD5): 98:0F:C3:F8:39:F7:D8:05:07:02:0D:...
Undefined, unspecified and implementation-defined behavior
What is undefined behavior in C and C++? What about unspecified behavior and implementation-defined behavior? What is the difference between them?
...
How do I connect to this localhost from another computer on the same network?
I'm currently working on a project and I would like to test it out on two laptops at home where one laptop connects to the localhost on the other. I am using XAMPP. How do I do this?
...
Pointer expressions: *ptr++, *++ptr and ++*ptr
.... If you have:
int i = 7;
printf ("%d\n", i++);
printf ("%d\n", i);
the output will be:
7
8
because i++ evaluates to i before the increment. Similarly p++ is going to evaluate to the current value of p. As we know, the current value of p is the address of 'H'.
So now the p++ part of *p++ has...