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If string is empty then return some default value
... Firstly it is preffered because in my solution I should extend String, Fixnum and NilClass at least. And here I can just use clear code without bycles
– fl00r
Jan 27 '11 at 20:19
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How to use regex in String.contains() method in Java
I want to check if a String contains the words "stores", "store", and "product" in that order, no matter what is in between them.
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How do I design a class in Python?
... a defined noun, or some other kind of "primitive" or "atomic" data like a string or a float or something irreducible.
For each action or operation, you have to identify which noun has the responsibility, and which nouns merely participate. It's a question of "mutability". Some objects get update...
How to send a header using a HTTP request through a curl call?
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man curl:
-H/--header <header>
(HTTP) Extra header to use when getting a web page. You may specify
any number of extra headers. Note that if you should add a custom
header that has the same name as one of the internal ones curl would
...
How can I get the full/absolute URL (with domain) in Django?
...com'
TEMPLATE_CONTEXT_PROCESSORS = (
...
'myapp.context_processors.extra_context',
)
# settings.py (Django >= 1.9)
TEMPLATES = [
{
'BACKEND': 'django.template.backends.django.DjangoTemplates',
'DIRS': [],
'APP_DIRS': True,
'OPTIONS': {
'cont...
How can I remove the first line of a text file using bash/sed script?
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I get error: unterminated transform source string
– Daniel Kobe
Dec 1 '15 at 4:16
10
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How to simplify a null-safe compareTo() implementation?
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Using Java 8:
private static Comparator<String> nullSafeStringComparator = Comparator
.nullsFirst(String::compareToIgnoreCase);
private static Comparator<Metadata> metadataComparator = Comparator
.comparing(Metadata::getName, nullSafeStri...
Input text dialog Android
... like a text Dialog to appear and I would like to store the result in a String . I'd like the text Dialog to overlay the current screen. How can I do this?
...
Difference between Python's Generators and Iterators
...iterables are the built-in tuples, lists, dictionaries, sets, frozen sets, strings, byte strings, byte arrays, ranges and memoryviews:
>>> all(isinstance(element, collections.Iterable) for element in (
(), [], {}, set(), frozenset(), '', b'', bytearray(), range(0), memoryview(b''))...
How can I check if multiplying two numbers in Java will cause an overflow?
...If you're writing a large application, for example for a business, then an extra JAR on the classpath won't do any harm and Guava has lots of very useful code in it. It's much better to reuse their carefully tested code than to try to write your own version of the same (which I presume is what you r...