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I need to store postal codes in a database. How big should the column be?
... Based on this link, from the page linked above, I'd go with 18 to accommodate countries like Chile: en.wikipedia.org/wiki/List_of_postal_codes
– mopo922
Jan 13 '16 at 4:04
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WebDriver: check if an element exists? [duplicate]
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this is the recommended way to look for non-exist element in selenium javadoc, just in case anyone needs a pointer to it: selenium.googlecode.com/git/docs/api/java/org/openqa/selenium/…
– Chen Xie
M...
What is a clean, pythonic way to have multiple constructors in Python?
...s = None):
if num_holes is None:
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Now if you want complete freedom of adding more parameters:
class Cheese():
def __init__(self, *args, **kwargs):
#args -- tuple of anonymous arguments
#kwargs -- dictionary of named arguments
self.num_holes = kwa...
java.util.regex - importance of Pattern.compile()?
What is the importance of Pattern.compile() method?
Why do I need to compile the regex string before getting the Matcher object?
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Why does document.querySelectorAll return a StaticNodeList rather than a real Array?
...elements, because they don't want to stymie some poor little language that comes along that wants to implement getElementsByFoo() but cannot support operator overloading. It's a prevalent philosophy present throughout much of the spec.
John Resig has voiced a similar option as yours, to which he ad...
What order are the Junit @Before/@After called?
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How do I test if a variable is a number in Bash?
...ular expression has to be saved in a variable, but if it's for the sake of compatibility I don't think it's necessary. You could just apply the expression directly: [[ $yournumber =~ ^[0-9]+$ ]].
– konsolebox
Aug 31 '13 at 21:48
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Hidden Features of C#? [closed]
... isn't C# per se, but I haven't seen anyone who really uses System.IO.Path.Combine() to the extent that they should. In fact, the whole Path class is really useful, but no one uses it!
I'm willing to bet that every production app has the following code, even though it shouldn't:
string path = dir ...
Why would a static nested interface be used in Java?
...ically "static") and can be removed with no effect on semantics; I would recommend it be removed. The same goes for "public" on interface methods and "public final" on interface fields - the modifiers are redundant and just add clutter to the source code.
Either way, the developer is simply declari...
How to set breakpoints in inline Javascript in Google Chrome?
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