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Viewing complete strings while debugging in Eclipse
While debugging Java code, Strings in the views "Variables" and "Expressions" show up only till a certain length, after which Eclipse shows "..."
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How do I define a method which takes a lambda as a parameter in Java 8?
...tion(int a, int b);
}
public class MyClass {
public static void main(String javalatte[]) {
// this is lambda expression
TwoArgInterface plusOperation = (a, b) -> a + b;
System.out.println("Sum of 10,34 : " + plusOperation.operation(10, 34));
}
}
Using Java fun...
SQL Data Reader - handling Null column values
...!SqlReader.IsDBNull(indexFirstName))
{
employee.FirstName = sqlreader.GetString(indexFirstName);
}
That's your only reliable way to detect and handle this situation.
I wrapped those things into extension methods and tend to return a default value if the column is indeed null:
public static str...
How to read a text file into a string variable and strip newlines?
...
To join all lines into a string and remove new lines, I normally use :
with open('t.txt') as f:
s = " ".join([x.strip() for x in f])
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imp...
Listing all permutations of a string/integer
...ming interviews (not from my experience of interviews though) is to take a string or an integer and list every possible permutation.
...
Save all files in Visual Studio project as UTF-8
...w DirectoryInfo(@"...").GetFiles("*.cs", SearchOption.AllDirectories)) {
string s = File.ReadAllText(f.FullName);
File.WriteAllText (f.FullName, s, Encoding.UTF8);
}
Only three lines of code! I'm sure you can write this in less than a minute :-)
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Avoiding SQL injection without parameters
...nstead they want to replace single apostrophes with two apostrophes in all strings to avoid sql injections. Our databases are all running Sql Server 2005 or 2008 and our code base is running on .NET framework 2.0.
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How do I put variables inside javascript strings?
... accepted answer... though preferably it would also mention ES6's template strings (which admittedly didn't exist in 2011). We really should be able to wiki-hijack old questions to keep them updated. :\
– Kyle Baker
Jun 21 '16 at 16:03
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Better techniques for trimming leading zeros in SQL Server?
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SUBSTRING(str_col, PATINDEX('%[^0]%', str_col+'.'), LEN(str_col))
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follo...
How do I read all classes from a Java package in the classpath?
... are annotated with XmlRootElement:
private List<Class> findMyTypes(String basePackage) throws IOException, ClassNotFoundException
{
ResourcePatternResolver resourcePatternResolver = new PathMatchingResourcePatternResolver();
MetadataReaderFactory metadataReaderFactory = new CachingMe...