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What are the main performance differences between varchar and nvarchar SQL Server data types?
... working on a database for a small web app at my school using SQL Server 2005 .
I see a couple of schools of thought on the issue of varchar vs nvarchar :
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How can I check if a key exists in a dictionary? [duplicate]
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603
if key in array:
# do something
Associative arrays are called dictionaries in Python and yo...
@import vs #import - iOS 7
...eature called Modules or "semantic import". There's more info in the WWDC 2013 videos for Session 205 and 404. It's kind of a better implementation of the pre-compiled headers. You can use modules with any of the system frameworks in iOS 7 and Mavericks. Modules are a packaging together of the frame...
Error when trying to obtain a certificate: The specified item could not be found in the keychain
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309
I solved it. Ensure you are in the "Certificates" section and you select "Apple Worldwide Devel...
Bash syntax error: unexpected end of file
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140
I think file.sh is with CRLF line terminators.
run
dos2unix file.sh
then the problem will be...
Colon (:) in Python list index [duplicate]
...nt to "from length of a to end"
Watch https://youtu.be/tKTZoB2Vjuk?t=41m40s at around 40:00 he starts explaining that.
Works with tuples and strings, too.
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Remove final character from string [duplicate]
Let's say my string is 10 characters long.
2 Answers
2
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How to implement a ConfigurationSection with a ConfigurationElementCollection
...code as well.
Your app.config should look like this:
<?xml version="1.0" encoding="utf-8" ?>
<configuration>
<configSections>
<section name="ServicesSection" type="RT.Core.Config.ServiceConfigurationSection, RT.Core"/>
</configSections>
<ServicesSect...
How to force vim to syntax-highlight a file as html?
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edited Apr 13 '17 at 10:20
Donald Duck
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ans...
Regular expression to extract text between square brackets
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801
You can use the following regex globally:
\[(.*?)\]
Explanation:
\[ : [ is a meta char and...