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PhpStorm wrap/surround selection?
...y and takes some learning curve.
It's very common behaviour that select a word and type single quote (or double quote) to surround it.
Hello World
'Hello World'
"Hello World"
To enable this, tick on checkbox of Preferences -> IDE -> Editor -> Smart Keys -> Surround Selection on typin...
Does Python have a string 'contains' substring method?
... with find, index, and in though, as they are substring searches. In other words, this:
s = "This be a string"
if s.find("is") == -1:
print("No 'is' here!")
else:
print("Found 'is' in the string.")
It would print Found 'is' in the string. Similarly, if "is" in s: would evaluate to True. T...
What are the First and Second Level caches in Hibernate?
Can anyone explain in simple words what First and Second Level caching in Hibernate are?
7 Answers
...
What would cause an algorithm to have O(log n) complexity?
...most 1, we get
n / 2i ≤ 1
n ≤ 2i
log2 n ≤ i
In other words, if we pick an integer i such that i ≥ log2 n, then after dividing n in half i times we'll have a value that is at most 1. The smallest i for which this is guaranteed is roughly log2 n, so if we have an algorithm tha...
Force TextBlock to wrap in WPF ListBox
... the right of the avatar. The layout is fine until the message text should word wrap, but instead I get a horizontal scroll bar on the listbox.
...
php Replacing multiple spaces with a single space [duplicate]
...nce:
\d, \w and \s
Shorthand character classes matching
digits, word characters (letters,
digits, and underscores), and
whitespace (spaces, tabs, and line
breaks). Can be used inside and
outside character classes.
...
Python - Count elements in list [duplicate]
...gt;>> mylist = [1,2,3] #list
>>> len(mylist)
3
>>> word = 'hello' # string
>>> len(word)
5
>>> vals = {'a':1,'b':2} #dictionary
>>> len(vals)
2
>>> tup = (4,5,6) # tuple
>>> len(tup)
3
To learn Python you can use byte of python...
jQuery - replace all instances of a character in a string [duplicate]
...ression, so that you can specify the global (g) flag:
var s = 'some+multi+word+string'.replace(/\+/g, ' ');
(I removed the $() around the string, as replace is not a jQuery method, so that won't work at all.)
share
...
RandomForestClassifier vs ExtraTreesClassifier in scikit learn
...
I'm amused that this comment is literally the word-for-word answer to a Coursera quiz question
– Bob
Jan 6 '19 at 0:07
...
warning C4172: returning address of local variable or temporary - C/C+...
...回单词出现的行号set
const set<int> & TextQuery::RunQuery(string word) const
{
map< string,set<int> >::const_iterator it = m_mapWordLine.find(word);
if(it != m_mapWordLine.end())
return it->second;
else
return set<int>();//emptyset ...