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What are the main performance differences between varchar and nvarchar SQL Server data types?
...te 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 the little bit of extra disk space you'll use in most applicati...
MongoDB with redis
Can anyone give example use cases of when you would benefit from using Redis and MongoDB in conjunction with each other?
3 ...
Smart way to truncate long strings
... anyone have a more sophisticated solution/library for truncating strings with JavaScript and putting an ellipsis on the end, than the obvious one:
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What is the difference between re.search and re.match?
....match is anchored at the beginning of the string. That has nothing to do with newlines, so it is not the same as using ^ in the pattern.
As the re.match documentation says:
If zero or more characters at the
beginning of string match the regular expression pattern, return a
corresponding Ma...
What are the differences between Perl, Python, AWK and sed? [closed]
...are the main differences among them? and the power of each language (where it's better to use it).
5 Answers
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How to properly import a selfsigned certificate into Java keystore that is available to all Java app
...sure you know which JRE or JDK is being used to run your program. On a 64 bit Windows 7 there could be quite a few JREs. Process Explorer can help you with this or you can use: System.out.println(System.getProperty("java.home"));
Copy the file JAVA_HOME\lib\security\cacerts to another folder.
In Por...
How to prevent a background process from being stopped after closing SSH client in Linux
...ight, so I thought I could do that by starting the process in background (with an ampersand at the end of the command) and redirecting stdout to a file.
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iOS 7 TableView like in Settings App on iPad
I want to have a group UITableView with the style same like the iPad Settings application Detail view for iOS 7 .
15 Ans...
Getting current device language in iOS?
...rica and I set my language to Japanese, my region will still be English (United States). In order to retrieve the currently selected language, you can do:
NSString * language = [[NSLocale preferredLanguages] firstObject];
This will return a two letter code for the currently selected language. "en...
Functional programming - is immutability expensive? [closed]
...n-place” quicksort isn’t really in-place (and quicksort is not by definition in-place). It requires additional storage in the form of stack space for the recursive step, which is in the order of O(log n) in the best case, but O(n) in the worst case.
Implementing a functional variant of quicksort...