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String comparison in Python: is vs. == [duplicate]
...e same value.
Also, is it generally considered better to just use '==' by default, even
when comparing int or Boolean values?
You use == when comparing values and is when comparing identities.
When comparing ints (or immutable types in general), you pretty much always want the former. Ther...
Int division: Why is the result of 1/3 == 0?
...t takes the integer portion and discards the rest.
– Byron Whitlock
Jan 13 '11 at 21:30
38
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Why would a post-build step (xcopy) occasionally exit with code 2 in a TeamCity build?
...ory, echo in D:
echo D|xcopy /y ...
Sometimes the above can be resolved by simply using a copy command instead of xcopy:
copy /y ...
However, if there are non-existent directories leading up to the final file destination, then an "exited with code 1" will occur.
Remember: use the /C switch an...
How to tell if node.js is installed or not
...running this through a php script. So where then will it be printed if not by terminal?
– user1340052
May 7 '12 at 1:38
...
Simple calculations for working with lat/lon and km distance?
... edited May 12 '16 at 17:04
Toby Speight
22.1k1313 gold badges5454 silver badges7979 bronze badges
answered Aug 10 '09 at 7:32
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jQuery select all except first
... evaluated right-to-left, the quite readable li:not(:first) is slowed down by that evaluation.
An equally fast and easy to read solution is using the function version .not(":first"):
e.g.
$("li").not(":first").hide();
JSPerf: http://jsperf.com/fastest-way-to-select-all-expect-the-first-one/6
T...
Preserve line endings
...e for MS-DOS, Windows, Cygwin—text files are composed of lines separated by a carriage return and a line feed character, and sed does not see the ending CR. When this option is specified, sed will open input files in binary mode, thus not requesting this special processing and considering lines to...
Including an anchor tag in an ASP.NET MVC Html.ActionLink
... Should really use the overloads for ActionLink as described by @Brad Wilson.
– mattruma
Feb 20 '10 at 13:40
18
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Accessing constructor of an anonymous class
...
Don't forget final on declarations of local variables or parameters used by the anonymous class, as i did it for anInt.
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Visual Studio SP1 error: silverlight_sdk.msi is unavailable
...
You can also extract the installation package by running the following in a command window: 'Silverlight4_Tools.exe /createlayout <path>'. Replace '<path>' with a temporary folder of your choice.
– Glenn
Apr 19 '11 at 6:...