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What's the difference between struct and class in .NET?
...e type variable into another variable, copies the entire contents into the new variable, making the two distinct. In other words, after the copy, changes to one won't affect the other
copying the contents of a reference type variable into another variable, copies the reference, which means you now h...
How to pick an image from gallery (SD Card) for my app?
...c final int SELECT_PHOTO = 100;
Start intent
Intent photoPickerIntent = new Intent(Intent.ACTION_PICK);
photoPickerIntent.setType("image/*");
startActivityForResult(photoPickerIntent, SELECT_PHOTO);
Process result
@Override
protected void onActivityResult(int requestCode, int resultCode, I...
Join an Array in Objective-C
...unction () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f845622%2fjoin-an-array-in-objective-c%23new-answer', 'question_page');
}
);
...
How to append the output to a file?
...l = function(e) {
var $elem = $('.new-login-left'),
docViewTop = $window.scrollTop(),
docViewBottom = docViewTop + $window.height(),
...
What is the best way to prevent session hijacking?
...session UUID and ask the user to reenter their password and then reissue a new cookie.
Remember that your user may have more than one computer so they may have more than one active session. Don't do something that forces them to log in again every time they switch between computers.
...
How to horizontally center a
...
You can apply this CSS to the inner <div>:
#inner {
width: 50%;
margin: 0 auto;
}
Of course, you don't have to set the width to 50%. Any width less than the containing <div> will work. The margin: 0 auto is what does the actual centering.
If you are targeting Internet...
Difference between fmt.Println() and println() in Go
...n-specific
println like print but prints spaces between arguments and a newline at the end
Thus, they are useful to developers, because they lack dependencies (being built into the compiler), but not in production code. It also important to note that print and println report to stderr, not std...
How do I Convert DateTime.now to UTC in Ruby?
...
DateTime.now.new_offset(0)
will work in standard Ruby (i.e. without ActiveSupport).
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jQuery UI datepicker change event not caught by KnockoutJS
...ft
if (String(value).indexOf('/Date(') == 0) {
value = new Date(parseInt(value.replace(/\/Date\((.*?)\)\//gi, "$1")));
}
var current = $el.datepicker("getDate");
if (value - current !== 0) {
$el.datepicker("setDate", value);
}
}
}...
Override valueof() and toString() in Java enum
... if(v.getValue().equalsIgnoreCase(value)) return v;
throw new IllegalArgumentException();
}
}
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