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JPA eager fetch does not join
...d mapped entity/collection of all root entities retrieved in first query = 2 queries
JOIN => one query to fetch both root entities and all of their mapped entity/collection = 1 query
So SELECT and JOIN are two extremes and SUBSELECT falls in between. One can choose suitable strategy based on he...
JavaScript % (modulo) gives a negative result for negative numbers
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273
Number.prototype.mod = function(n) {
return ((this%n)+n)%n;
};
Taken from this article: ...
How can you find and replace text in a file using the Windows command-line environment?
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27 Answers
27
Active
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Using Emacs to recursively find and replace in text files not already open
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edited Sep 12 '17 at 12:42
siegy22
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...
Count number of matches of a regex in Javascript
...| '').match(re) || []).length
}
const str1 = 'abc, def, ghi'
const str2 = 'ABC, DEF, GHI'
console.log(`'${str1}' has ${count(str1)} occurrences of pattern '/[a-z]{3}/g'`)
console.log(`'${str2}' has ${count(str2)} occurrences of pattern '/[a-z]{3}/g'`)
Original Answer
The problem wit...
Throwing cats out of windows
...n 1..n.
It agrees with Google result from Gaurav Saxena's link for (100, 2).
int n = 100; // number of floors
int m = 20; // number of cats
int INFINITY = 1000000;
int[][] a = new int[n + 1][m + 1];
for (int i = 1; i <= n; ++i) {
// no cats - no game
a[i][0] = INFINITY;
}
for (int i ...
Is there a way to detach matplotlib plots so that the computation can continue?
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221
Use matplotlib's calls that won't block:
Using draw():
from matplotlib.pyplot import plot, dra...
can we use xpath with BeautifulSoup?
...you can use the .xpath() method to search for elements.
try:
# Python 2
from urllib2 import urlopen
except ImportError:
from urllib.request import urlopen
from lxml import etree
url = "http://www.example.com/servlet/av/ResultTemplate=AVResult.html"
response = urlopen(url)
htmlparser =...