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Making the iPhone vibrate
...esPlayAlertSound(kSystemSoundID_Vibrate)
Instead of having to go thru the extra cast step
(Props to @Dov)
Original Answer (Swift 1.x)
And, here's how you do it on Swift (in case you ran into the same trouble as I did)
Link against AudioToolbox.framework (Go to your project, select your target, buil...
Compiled vs. Interpreted Languages
...guages
Note that modern techniques such as bytecode compilation add some extra complexity - what happens here is that the compiler targets a "virtual machine" which is not the same as the underlying hardware. These virtual machine instructions can then be compiled again at a later stage to get nat...
ASP.NET Web Site or ASP.NET Web Application?
...ild, if you’ve made changes.
In an MVC Web Application project you have extra commands and dialogs for common tasks, like ‘Add View’, ‘Go To View’, ‘Add Controller’, etc. These are not available in an MVC Web Site.
If you use IIS Express as the development server, in Web Sites you ca...
Swift Beta performance: sorting arrays
...t))
// [-1, 0, 2, 2, 5, 8, 1234]
// [-1, 0, 2, 2, 5, 8, 1234]
Both are called in the same program as written.
var x_swift = CInt[](count: n, repeatedValue: 0)
var x_c = CInt[](count: n, repeatedValue: 0)
for var i = 0; i < n; ++i {
x_swift[i] = CInt(random())
x_c[i] = CInt(random())
}...
UICollectionView inside a UITableViewCell — dynamic height?
...xtension:
extension UIView {
func constraint(byIdentifier identifier: String) -> NSLayoutConstraint? {
return constraints.first(where: { $0.identifier == identifier })
}
}
NOTE: You will need to set the identifier on these constraints in your storyboard, or wherever they are be...
Rule-of-Three becomes Rule-of-Five with C++11?
...delete their pointers in the destructor. In these cases you'll need to add extra checks to say whether their pointers are allocated or have been moved away (are now null).
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Adding a new entry to the PATH variable in ZSH
...hen when it runs .zshrc (or .bashrc or whatever), that's what lets you add extra things to that path.
– Linuxios
Nov 18 '19 at 0:04
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Try catch statements in C
... exceptions but you can simulate them to a degree with setjmp and longjmp calls.
static jmp_buf s_jumpBuffer;
void Example() {
if (setjmp(s_jumpBuffer)) {
// The longjmp was executed and returned control here
printf("Exception happened here\n");
} else {
// Normal code execution s...
Regex to match string containing two names in any order
...now why this would break (in JavaScript at least) when I try to search for strings starting with '#'? ^(?=.*\b#friday\b)(?=.*\b#tgif\b).*$ fails to match blah #tgif blah #friday blah but ^(?=.*\bfriday\b)(?=.*\btgif\b).*$ works fine.
– btleffler
Aug 24 '15 at 1...
Postgres: “ERROR: cached plan must not change result type”
...RDS Postgres 10 instance, enabling the conservative setting does result in extra CPU usage on the database server. It wasn't much though, I could only even see the autosave functionality show up as using a measurable amount of CPU after I'd tuned every single query my load test was using and starte...