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How to urlencode data for curl command?
...curl -V to check which version you have.
You can as well encode the query string:
curl -G \
--data-urlencode "p1=value 1" \
--data-urlencode "p2=value 2" \
http://example.com
# http://example.com?p1=value%201&p2=value%202
...
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...
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 to add two strings as if they were numbers? [duplicate]
I have two strings which contain only numbers:
20 Answers
20
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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.
...