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What do (lambda) function closures capture?
...he way.
If you wanted, you could write a small class that uses your array-indexing syntax:
class Adders(object):
def __getitem__(self, item):
return lambda a: a + item
adders = Adders()
adders[1](3)
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Assign pandas dataframe column dtypes
...s_spent]],columns = data_columns)
data_df = data_df.append(df_temp, ignore_index=True)
In [11]: data_df.dtypes
Out[11]:
wheel_number float64
car_name object
minutes_spent float64
dtype: object
data_df = data_df.astype(dtype= {"wheel_number":"int64",
"car_name":"object","mi...
Custom error pages on asp.net MVC3
...ror. So imagine that I have a "Error" Controller where his main action is "Index" (generic error page) and this controller will have a couple more actions for the errors that may appear to the user like "Handle500" or "HandleActionNotFound".
...
Android Preferences: How to load the default values when the user hasn't used the preferences-screen
...AttributeResourceValue(androidns,"defaultValue", 100));
something you have indexed in R.
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How to delete an old/unused Data Model Version in Xcode
...e using git. You can just discard unstaged changes.
git stash save --keep-index
Then you can drop that stash with a git stash drop command if you like.
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Soft hyphen in HTML ( vs. ­)
...17)
They all perform pretty well, ­ edges it as Google can still index of words containing it.
In browsers: &shy; and &#173; both display as expected in major browsers (even old IE!). <wbr> isn't supported in recent versions of IE (10 or 11) and doesn't work properly in Edg...
What is the difference between “long”, “long long”, “long int”, and “long long int” in C++?
...ctly 64 bits
std::size_t # can hold all possible object sizes, used for indexing
These (int*_t) can be used after including the <cstdint> header. size_t is in <stdlib.h>.
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Remove non-ascii character in string
...me references on those:
http://www.fileformat.info/info/unicode/char/200B/index.htm
https://en.wikipedia.org/wiki/Left-to-right_mark
Note that although the encoding of the embedded character is UTF-8, the encoding in the regular expression is not. Although the character is embedded in the strin...
Getting multiple keys of specified value of a generic Dictionary?
...);
firsts.Add(first);
}
// Note potential ambiguity using indexers (e.g. mapping from int to int)
// Hence the methods as well...
public IList<TSecond> this[TFirst first]
{
get { return GetByFirst(first); }
}
public IList<TFirst> this[TSecond...
Difference between a Seq and a List in Scala
...at has a defined order of elements. Sequences provide a method apply() for indexing, ranging from 0 up to the length of the sequence. Seq has many subclasses including Queue, Range, List, Stack, and LinkedList.
A List is a Seq that is implemented as an immutable linked list. It's best used in cases...