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How to check a string for specific characters?
... your string is s:
'$' in s # found
'$' not in s # not found
# original answer given, but less Pythonic than the above...
s.find('$')==-1 # not found
s.find('$')!=-1 # found
And so on for other characters.
... or
pattern = re.compile(r'\d\$,')
if pattern.findall(s):
print('Found'...
instanceof Vs getClass( )
I see gain in performance when using getClass() and == operator over instanceOf operator.
4 Answers
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WSDL vs REST Pros and Cons
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The two protocols have very different uses in the real world.
SOAP(using WSDL) is a heavy-weight XML standard that is centered around document passing. The advantage with this is that your requests and responses can be very well structured, and can even use a DTD. The downside ...
Create a custom event in Java
...he observer pattern.
Here's some sample code to get yourself started:
import java.util.*;
// An interface to be implemented by everyone interested in "Hello" events
interface HelloListener {
void someoneSaidHello();
}
// Someone who says "Hello"
class Initiater {
private List<HelloLis...
RegEx - Match Numbers of Variable Length
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This took me way too long to find ... thank you for this information!
– level42
Jul 6 at 23:33
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How to increase scrollback buffer size in tmux?
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The history limit is a pane attribute that is fixed at the time of pane creation and cannot be changed for existing panes. The value is taken from the history-limit session option (the default value is 2000).
To create a pane with a...
`staticmethod` and `abc.abstractmethod`: Will it blend?
...ed Dec 17 '10 at 20:26
Rosh OxymoronRosh Oxymoron
16.7k55 gold badges3535 silver badges4242 bronze badges
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How to test code dependent on environment variables using JUnit?
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The library System Lambda has a method withEnvironmentVariables for setting environment variables.
public void EnvironmentVariablesTest {
@Test
public void setEnvironmentVariable() {
String value = withEnvironmentVariable("name", "value")
.execute(() -> System.getenv("name...
Why return NotImplemented instead of raising NotImplementedError
...and related comparison methods are quite commonly used indirectly in list sorts and such. Sometimes the algorithm will choose to try another way or pick a default winner. Raising an exception would break out of the sort unless caught, whereas NotImplemented doesn't get raised and can be used in furt...
Are “elseif” and “else if” completely synonymous?
Are elseif and else if completely synonymous, or is there a difference?
2 Answers
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