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When is it better to use String.Format vs string concatenation?

...the performance hit, but to be honest it'll be minimal if present at all - and this concatenation version doesn't need to parse the format string. Format strings are great for purposes of localisation etc, but in a case like this concatenation is simpler and works just as well. With C# 6 String i...
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Visual Studio setup problem - 'A problem has been encountered while loading the setup components. Ca

...n't resolve this issue I have no choice but to completely wipe my computer and start again which will take all day long! I've recently received very strange errors when trying to build projects regarding components running out of memory (despite having ~2gb physical memory free at the time) which ha...
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How to find gaps in sequential numbering in mysql?

...lues were imported from another system. There is an auto-increment column, and there are no duplicate values, but there are missing values. For example, running this query: ...
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What is the difference between Collection and List in Java?

What is the difference between Collection and List in Java? When should I use which? 7 Answers ...
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Environment variables for java installation

...A_TOOL_OPTIONS with value -Dfile.encoding="UTF-8". This ensures that Java (and tools such as Maven) will run with a Charset.defaultCharset() of UTF-8 (instead of the default Windows-1252). This has saved a lot of headaches when wirking with my own code and that of others, which unfortunately often a...
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How to format a java.sql Timestamp for displaying?

...er that if SimpleDateFormat object is a local-scoped object (it is created and used only inside a method), then it is thread-safe, since stack on which it will reside is inherently "thread-safe" (as it belongs to a single thread). – quantum Sep 13 '11 at 9:52 ...
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What is the difference between syntax and semantics in programming languages?

What is the difference between syntax and semantics in programming languages (like C, C++)? 10 Answers ...
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Laravel - Route::resource vs Route::controller

I read the docs on the Laravel website, Stack Overflow, and Google but still don't understand the difference between Route::resource and Route::controller . ...
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Apache Commons equals/hashCode builder [closed]

... The commons/lang builders are great and I have been using them for years without noticeable performance overhead (with and without hibernate). But as Alain writes, the Guava way is even nicer: Here's a sample Bean: public class Bean{ private String name;...
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Copy tables from one database to another in SQL Server

I have a database called foo and a database called bar. I have a table in foo called tblFoobar that I want to move (data and all) to database bar from database foo. What is the SQL statement to do this? ...