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Devise Secret Key was not set
...re run "rails g devise:install" after creating users. If you use git, make testing branch and try it. If not, try it on a copy of your project.
– sascha.daniels
Jan 16 '14 at 11:21
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How can I get zoom functionality for images?
...ode below is very dated. You can check out the github project to get the latest code.
USAGE
Place TouchImageView.java in your project. It can then be used the same as
ImageView. Example:
TouchImageView img = (TouchImageView) findViewById(R.id.img);
If you are using TouchImageView in xml, then y...
How to Save Console.WriteLine Output to Text File
...
added this to my standard test console template.
– Valamas
Apr 25 '14 at 23:17
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Check if at least two out of three booleans are true
... boolean c) {
return a && (b || c) || (b && c);
}
It tests a and b exactly once, and c at most once.
References
JLS 15.25 Conditional Operator ? :
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Can an int be null in Java?
...ect can be null, like Integer. Here's a basic example to show when you can test for null:
Integer data = check(Node root);
if ( data == null ) {
// do something
} else {
// do something
}
On the other hand, if check() is declared to return int, it can never be null and the whole if-else block ...
How do I remove all non alphanumeric characters from a string except dash?
...
in my testing, this technique was much faster. to be precise, it was just under 3 times faster than the Regex Replace technique.
– Dan
Aug 11 '11 at 15:49
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append to url and refresh page
...
this should work (not tested!)
var url = window.location.href;
if (url.indexOf('?') > -1){
url += '&param=1'
}else{
url += '?param=1'
}
window.location.href = url;
...
How to prevent a scrollview from scrolling to a webview after data is loaded?
... worked so perfectly I had trouble to believe it at first sight and had to test it again.
– YumeYume
Aug 19 '16 at 8:26
1
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arrayfun can be significantly slower than an explicit loop in matlab. Why?
Consider the following simple speed test for arrayfun :
2 Answers
2
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Label Alignment in iOS 6 - UITextAlignment deprecated
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(Caveat: Being a member of the aforementioned steady-earth lovers, I have tested this with an old version, but not yet with iOS6.)
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