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Print array to a file
...' => array ('x', 'y', 'z'));
$results = print_r($b, true); // $results now contains output from print_r
You can then save $results with file_put_contents. Or return it directly when writing to file:
file_put_contents('filename.txt', print_r($b, true));
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jquery ui Dialog: cannot call methods on dialog prior to initialization
... .live handlers, I changed this to .on.
For that, I have to update jquery (now 1.8.3 an jquerui 1.9.1).
11 Answers
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Indexes of all occurrences of character in a string
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Try the following (Which does not print -1 at the end now!)
int index = word.indexOf(guess);
while(index >= 0) {
System.out.println(index);
index = word.indexOf(guess, index+1);
}
share
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How to round float numbers in javascript?
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Upd (2019-10). Thanks to Reece Daniels code below now available as a set of functions packed in npm-package expected-round (take a look).
You can use helper function from MDN example. Than you'll have more flexibility:
Math.round10(5.25, 0); // 5
Math.round10(5.25, -1);...
Install Node.js on Ubuntu
...do] apt-get update
node.js installation
[sudo] apt-get install nodejs
Now checking node.js version
node -v
Outputs
v0.10.20
This command should install npm.
npm install
Check npm version
npm -v
Outputs
1.4.3
If for some reason, if you see npm is not installed, you may try running...
What is the correct XPath for choosing attributes that contain “foo”?
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xmlme.com now redirects to some other host and does not appear to host the tool or anything like it.
– jpmc26
Dec 6 '17 at 19:28
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How to tell which version of a gem a rails app is using
... rails version 2 and a more advanced bundler? Is this good/bad? (Yes, I know it's bad to have such an old version of rails, I want to know if it's catastrophic to have such a mismatched (if it is) rails and bundler).
– Brenda J. Butler
Aug 23 '14 at 0:56
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Adding a simple UIAlertView
...as added in iOS 8, this code won't work on iOS 7 and older. So, sadly, for now we have to use version checks like so:
NSString *alertTitle = @"Title";
NSString *alertMessage = @"Message";
NSString *alertOkButtonText = @"Ok";
if (@available(iOS 8, *)) {
UIAlertView *alertView = [[UIAlertView al...
Populate nested array in mongoose
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Amazing - so much cleaner! This is now the modern and correct answer. Documented here.
– isTravis
Jan 31 '16 at 4:00
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How to format a Java string with leading zero?
...g.format("%0"+ (9 - "Apple".length() )+"d%s",0 ,"Apple").substring(0,8); . Now you wont have this exception.
– Abhinav Puri
Jan 8 '17 at 7:25
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