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Unique (non-repeating) random numbers in O(1)?
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Initialize an array of 1001 integers with the values 0-1000 and set a variable, max, to the current max index of the array (starting with 1000). Pick a random number, r, between 0 and max, swap the number at the position r with the number at position max and return the number now at pos...
How does Spring Data JPA differ from Hibernate for large projects?
...epository. You have to also create a MyJpaRepositoryFactoryBean but if you set it all up correctly, you can override the .save() method. Here is the Spring Data JPA Docs: static.springsource.org/spring-data/data-jpa/docs/current/… Don't give up just yet!
– sbzoom
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How to check if a string is a valid hex color representation?
... browswer do the the work for you.
Step 1: Create a div with border-style set to none. The div can be positioned off screen or it can be any div on your page that doesn't use the borders.
Step 2: Set the border color to an empty string. The code might look something like this:
e=document.getElem...
Any way to declare a size/partial border to a box?
...
width: 50%;
}
<h1>Foo is not equal to bar</h1>
Offset, the underline is left aligned right now. To center it, just push the pseudo-element the half of its width (50% / 2 = 25%) to the right.
h1 {
display: table;
margin-left: auto;
margin-right: auto;
}
h1:a...
How can I convert a std::string to int?
...ve a quick question. I've looked around the internet quite a bit and I've found a few solutions but none of them have worked yet. Looking at converting a string to an int and I don't mean ASCII codes.
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What is the meaning of the prefix N in T-SQL statements and when should I use it?
...ing is in Unicode
(the N actually stands for National language character set). Which
means that you are passing an NCHAR, NVARCHAR or NTEXT value, as
opposed to CHAR, VARCHAR or TEXT.
To quote from Microsoft:
Prefix Unicode character string constants with the letter N. Without
the N pr...
How do I do a case-insensitive string comparison?
...
Assuming ASCII strings:
string1 = 'Hello'
string2 = 'hello'
if string1.lower() == string2.lower():
print("The strings are the same (case insensitive)")
else:
print("The strings are NOT the same (case insensitive)")
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How do I use pagination with Django class based generic ListViews?
...traditional function based views, it is easy to find. I found that just by setting the paginate_by variable is enough to activate the pagination. See in Class-based generic views.
For example, in your views.py:
import models
from django.views.generic import ListView
class CarListView(ListView):
...
What does %s mean in a python format string?
...ecuted using the -c
command line option to the
interpreter, argv[0] is set to the
string '-c'. If no script name was
passed to the Python interpreter,
argv[0] is the empty string.
share
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How do I prompt for Yes/No/Cancel input in a Linux shell script?
...my first example to better serve multiple languages might look like this:
set -- $(locale LC_MESSAGES)
yesptrn="$1"; noptrn="$2"; yesword="$3"; noword="$4"
while true; do
read -p "Install (${yesword} / ${noword})? " yn
case $yn in
${yesptrn##^} ) make install; break;;
${nop...