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In java how to get substring from a string till a character c?
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look at String.indexOf and String.substring.
Make sure you check for -1 for indexOf.
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Adding a simple UIAlertView
...d OK
if (buttonIndex == 0) {
// do something here...
}
}
And make sure your delegate conforms to UIAlertViewDelegate protocol:
@interface YourViewController : UIViewController <UIAlertViewDelegate>
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Adding a parameter to the URL with JavaScript
...sed solution, but that depends completely on the length of the querystring and the index of any match
the slow regex method I benchmarked against for completions sake (approx +150% slower)
function insertParam2(key,value)
{
key = encodeURIComponent(key); value = encodeURIComponent(value);
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Google fonts URL break HTML5 Validation on w3.org
... pipe character is unsafe: Other characters are unsafe because gateways and other transport agents are known to sometimes modify such characters. These characters are "{", "}", "|", "\", "^", "~", "[", "]", and "`".
– steveax
Oct 20 '17 at 4:37
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How do I run a program with a different working directory from current, from Linux shell?
...our prompt of the parent shell, in the directory you started from.
Error handling: To avoid running the program without having changed the directory, e.g. when having misspelled /c, make the execution of helloworld conditional:
(cd /c && /a/helloworld)
Reducing memory usage: To avoid hav...
Skip first entry in for loop in python?
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I found that doing cars.pop(0) and cars.pop() works well.
– dreamwork801
Oct 23 '18 at 13:37
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Readonly Properties in Objective-C?
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Eiko and others gave correct answers.
Here's a simpler way: Directly access the private member variable.
Example
In the header .h file:
@property (strong, nonatomic, readonly) NSString* foo;
In the implementation .m file:
/...
Using Font Awesome icon for bullet points, with a single list item element
...ocs specify to do this, it isn't technically the solution to the question, and isn't useful if you're looking to do this without modifying your HTML output.
– Ryan
Sep 1 '14 at 8:05
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How do you add an array to another array in Ruby and not end up with a multi-dimensional result?
...*a2) # note the asterisk
a2.unshift(*a1) # note the asterisk, and that a2 is the receiver
or splice:
a1[a1.length, 0] = a2
a1[a1.length..0] = a2
a1.insert(a1.length, *a2)
or append and flatten:
(a1 << a2).flatten! # a call to #flatten instead would return a new array
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How do I add a simple jQuery script to WordPress?
I read the Codex and a few blog posts about using jQuery in WordPress, and its very frustrating. I've got as far as loading jQuery in functions.php file, but all of the guides out there are crappy because they assume you already have a ton of WordPress experience. For instance, they say that now t...