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How to insert text into the textarea at the current cursor position?
...
function insertAtCursor(myField, myValue) {
//IE support
if (document.selection) {
myField.focus();
sel = document.selection.createRange();
sel.text = myValue;
}
//MOZILLA and others
else if (myField.selectionStart || myField.selectionStart == '0...
What does dot (.) mean in a struct initializer?
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This is a C99 feature that allows you to set specific fields of the struct by name in an initializer. Before this, the initializer needed to contain just the values, for all fields, in order -- which still works, of course.
So for the following struct:
struct demo_s {
...
jQuery Validate Required Select
... This shouldn't be the accepted answer because the original poster is specifically asking to use "rules" which is an option that is fed to the validate constructor, and not present in markup. Sometimes you do not have the luxury of modifying the markup. (And personally, I just prefer not to to put ...
Render Partial View Using jQuery in ASP.NET MVC
... any idea how this would work with Razor? tried $.get( "@Url.Action(\"Manifest\",\"Upload\", new { id = " + key + " })", function(data) { $("<div/>").replaceWith(data); } );
– Patrick Lee Scott
May 24 '11 at 19:23
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Maximum and Minimum values for ints
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Note that if you're using a 32-bit Python runtime, sys.maxint will return 2^31 - 1, even though Python will jump to 64-bit seamlessly with the long datatype.
– Scott Stafford
Feb 26 '14 at 16:19
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Going to a specific line number using Less in Unix
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To open at a specific line straight from the command line, use:
less +320123 filename
If you want to see the line numbers too:
less +320123 -N filename
You can also choose to display a specific line of the file at a specific line of the...
My Git repository is in the wrong root directory. Can I move it? (../ instead of ./)
... delete the .git subdirectory and redo the init in the correct directory.
If you used git to solve the problem, any solution would necessarily leave behind a lot of "moved this file here" history entries that aren't actually changes, but you fixing a screwup at creation time. Better to just create ...
What does the constant 0.0039215689 represent?
...y the reciprocal is faster than repeatedly dividing by 255.
Side Note:
If you're wondering why such a micro-optimization isn't left to the compiler, it's because it is an unsafe floating-point optimization. In other words:
x / 255 != x * (1. / 255)
due to floating-point round-off errors.
S...
NSLog with CGPoint data
...nd run it on a device (not simulator). Then, copy the result into a new #elif block before the #else at line 172 in JAValueToString.m. If this doesn’t work, additional debugging will be required. I can’t do it since I’m not in the iOS programme.
– Jens Ayton
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Resetting generator object in Python
...p:
print(x)
This could be beneficial from memory usage point of view if the original iteration might not process all the items.
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