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What are the main performance differences between varchar and nvarchar SQL Server data types?
... most applications. However, if you need to support double-byte languages and you only have single-byte support in your database schema it's really expensive to go back and modify throughout your application.
The cost of migrating one application from varchar to nvarchar will be much more than t...
Checking if sys.argv[x] is defined
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In the end, the difference between try, except and testing len(sys.argv) isn't all that significant. They're both a bit hackish compared to argparse.
This occurs to me, though -- as a sort of low-budget argparse:
arg_names = ['command', 'x', 'y', 'operation', 'option']
...
Do unix timestamps change across timezones?
...sents a moment that is the same everywhere. Of course you can convert back and forth to a local timezone representation (time 1397484936 is such-and-such local time in New York, or some other local time in Djakarta) if you want.
The article at http://en.wikipedia.org/wiki/Unix_time is pretty impres...
How to translate between Windows and IANA time zones?
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The primary source of the data for conversion between Windows and IANA time zone identifiers is the windowsZones.xml file, distributed as part of the Unicode CLDR project. The latest dev version can be found here.
However, CLDR is released only twice annually. This, along with the per...
Xcode 4 - “Valid signing identity not found” error on provisioning profiles on a new Macintosh insta
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With Xcode 4.2 and later versions, including XCode 4.6, there is a better way to migrate your entire developer profile to a new machine. On your existing machine, launch Xcode and do this:
Open the Organizer (Shift-Command-2).
Select the...
How to change a command line argument in Bash?
Is there a way to change the command line arguments in a Bash script. Say for example, a Bash script is invoked the following way:
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How do I break out of nested loops in Java?
...don't know exactly what code you tried, but the code in my answer compiles and runs just fine.
– Jon Skeet
Feb 2 '15 at 10:47
5
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How to use a WSDL
...ice. They sent me the WSDL file.
What should I do to add it to my website and start using it as the proxy.
( If I put it on a Virtual Directory it can be discovered, but does it grant me the connection with the real web service?)
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How to set focus on input field?
...s on a predefined <input> inside this Modal.
Define a directive and have it $watch a property/trigger so it knows when to focus the element:
Name: <input type="text" focus-me="shouldBeOpen">
app.directive('focusMe', ['$timeout', '$parse', function ($timeout, $parse) {
retur...
Tools for creating Class Diagrams [closed]
...odeler, not a drawing tool. Your diagrams are UML-compliant, generate code and can be exported as UML/XMI files. It's web-based and free so it matches your criteria.
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