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Checking to see if a DateTime variable has had a value assigned
...t compile-time you can tell that it isn't definitely assigned by trying to read from it :)
I suspect you really want Nullable<DateTime> (or DateTime? with the C# syntactic sugar) - make it null to start with and then assign a normal DateTime value (which will be converted appropriately). Then...
How to join multiple lines of file names into one with custom delimiter?
... version of paste I tried requires a "-" argument at the end to tell it to read from STDIN. e.g. ls -1 | paste -s -d ":" - Not sure if that's universal with all versions of paste
– Andy White
May 10 '12 at 16:15
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How to make --no-ri --no-rdoc the default for gem install?
...work for me, but .gemrc did. I wonder if it's rvm specific that it doesn't read the system gemrc?
– wjl
Sep 4 '11 at 7:54
5
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How to compare two NSDates: Which is more recent?
...lt; 0 and NSOrderedDescending > 0. That makes the comparison easier to read: [date1 compare:date2] < 0 /* date1 < date2 */ and avoids the (easy to make) mistake @albertamg pointed out. ;-)
– jpap
Apr 4 '13 at 10:23
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CSS: center element within a element
...element"></div>
</div>
UPDATE:
It seems that I didn't read the OP edit at the time I wrote this answer. The above code will center all inner elements (without overlapping between them), but the OP wants just an specific element to be centered, not the other inner elements. So @W...
Convert string to Python class object?
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Yeah I know, but I feel it's just clearer to read. I guess it just boils down to preference, though.
– Evan Fosmark
Jul 24 '09 at 15:08
add a co...
How can I output leading zeros in Ruby?
...airly
cryptic String#% method
We can obtain the same result in a more readable way using the following:
format('%03d', number)
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Is there a W3C valid way to disable autocomplete in a HTML form?
...omatic testing harder, only if your testing software cant cope check for / read fields that might have a random number appended to them. Might be time to upgrade your automated testing software.
– corydoras
Nov 23 '09 at 6:15
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Canvas is stretched when using CSS but normal with “width” / “height” properties
...canvas element scales based on the canvas width and height. In javascript, read the css width and height and set the canvas width and height to that.
var myCanvas = $('#TheMainCanvas');
myCanvas[0].width = myCanvas.width();
myCanvas[0].height = myCanvas.height();
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Print array to a file
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Just use print_r ; ) Read the documentation:
If you would like to capture the output of print_r(), use the return parameter. When this parameter is set to TRUE, print_r() will return the information rather than print it.
So this is one po...