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How to convert string to Title Case in Python?
... s)
re.sub can take a function for the "replacement" (rather than just a string, which is the usage most people seem to be familiar with). This repl function will be called with an re.Match object for each match of the pattern, and the result (which should be a string) will be used as a replacemen...
Python - Check If Word Is In A String
...th Python v2, and I'm trying to find out if you can tell if a word is in a string.
11 Answers
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How do I format a string using a dictionary in python-3.x?
I am a big fan of using dictionaries to format strings. It helps me read the string format I am using as well as let me take advantage of existing dictionaries. For example:
...
Best way to “negate” an instanceof
...classic form you posted, but somebody might like it...
if (str instanceof String == false) { /* ... */ }
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Ruby Arrays: select(), collect(), and map()
...] != "" }
That will give you all items where the :qty key isn't an empty string.
official select documentation
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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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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 do I compare two string variables in an 'if' statement in Bash? [duplicate]
...
For string equality comparison, use:
if [[ "$s1" == "$s2" ]]
For string does NOT equal comparison, use:
if [[ "$s1" != "$s2" ]]
For the a contains b, use:
if [[ $s1 == *"$s2"* ]]
(and make sure to add spaces between the ...
ArrayList initialization equivalent to array initialization [duplicate]
...s to point to entirely different objects like Arrays.asList(...).set(0,new String("new string")) This code will work and set the first element of the list to the String object with value "new string". And in fact, it writes through to the native array! Definitely not unmodifiable.
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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...