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Character reading from file in Python
... print repr(line)
It's also possible to open files in update mode, allowing both reading and writing:
with codecs.open('test', encoding='utf-8', mode='w+') as f:
f.write(u'\u4500 blah blah blah\n')
f.seek(0)
print repr(f.readline()[:1])
EDIT: I'm assuming that your intended go...
Using the Swift if let with logical AND operator &&
... or declaration. You can't have both expression and declaration.
let foo = bar is a declaration, it doesn't evaluate to a value that conforms to BooleanType. It declares a constant/variable foo.
Your original solution is good enough, it is much more readable then combining the conditions.
...
The property 'value' does not exist on value of type 'HTMLElement'
...ent. Similarly in statically typed Java this won't compile:
public Object foo() {
return 42;
}
foo().signum();
signum() is a method of Integer, but the compiler only knows the static type of foo(), which is Object. And Object doesn't have a signum() method.
But the compiler can't know that, i...
Return first N key:value pairs from dict
...ts as
import itertools
import collections
d = collections.OrderedDict((('foo', 'bar'), (1, 'a'), (2, 'b'), (3, 'c'), (4, 'd')))
x = itertools.islice(d.items(), 0, 4)
for key, value in x:
print key, value
itertools.islice allows you to lazily take a slice of elements from any iterator. If yo...
How to access java-classes in the default-package?
...u can’t use classes in the default package from a named package.
(Technically you can, as shown in Sharique Abdullah's answer through reflection API, but classes from the unnamed namespace are not in scope in an import declaration)
Prior to J2SE 1.4 you could import classes from the default packag...
What's NSLocalizedString equivalent in Swift?
...e an Swift equivalent of NSLocalizedString(...) ?
In Objective-C , we usually use:
15 Answers
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How do I get an HttpContext object from HttpContextBase in ASP.NET MVC 1?
... Smyrnow who noted this in the comments)
Original answer:
You can, especially if the HttpContextBase instance you've been handed is of type HttpContextWrapper at run-time. The following example illustrates how you can do this. It supposes you have a method called Foo that accepts context as HttpCo...
Difference between == and ===
...there's three types you need to keep in mind: literal types, such as 1 or "foo", which haven't been bound to a variable and normally only affect compilation since you generally don't deal with them during runtime; struct types such as Int and String which are what you get when you assign a literal t...
Where is Xcode's build folder?
...er/Xcode/DerivedData is now the default.
You can set the prefs in Xcode to allow projects to specify their build directories.
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Why does ASP.NET webforms need the Runat=“Server” attribute?
Why do I have to specify runat="server" on all my ASP.NET controls when it is a mandatory attribute and server is the only option available in my limited knowledge of ASP.NET, and I get an error if I don't use it?
...