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JQuery to check for duplicate ids in a DOM
...e functions and let them do the rest? Separation of logic and presentation etc etc...
– Will Morgan
Nov 11 '09 at 13:39
add a comment
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join list of lists in python [duplicate]
...el
...
a
b
c
From those links, apparently the most complete-fast-elegant-etc implementation is the following:
def flatten(l, ltypes=(list, tuple)):
ltype = type(l)
l = list(l)
i = 0
while i < len(l):
while isinstance(l[i], ltypes):
if not l[i]:
...
Iterator Loop vs index loop [duplicate]
... be to use a combination of STL algorithms (e.g. find, sort, remove, copy) etc. that carries out the computation that you have in mind on your data structure (vector, list, map etc.), and to supply that algorithm with iterators into your container.
Your particular example could be written as a comb...
Correct file permissions for WordPress [closed]
... “web server process”. User account is your Linux user (ssh, ftp user, etc.)
– Daniel Bang
Jul 2 '15 at 17:49
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How to show the last queries executed on MySQL?
...n server though, it's a performance killer.
Edit your MySQL config, e.g. /etc/mysql/my.cnf - look for, or add, a line like this
[mysqld]
log = /var/log/mysql/mysql.log
Restart mysql to pick up that change, now you can
tail -f /var/log/mysql/mysql.log
Hey presto, you can watch the queries as ...
ActiveModel::ForbiddenAttributesError when creating new user
...
ActiveAdmin.register Api::V1::Person do
permit_params :name, :address, :etc
end
These need to be set along with those in the controller:
def api_v1_person_params
params.require(:api_v1_person).permit(:name, :address, :etc)
end
Otherwise you will get the error:
ActiveModel::ForbiddenAttrib...
How to change the session timeout in PHP?
...gc_probability=0 by default in the configuration, and is instead done via /etc/cron.d/php, which runs at XX:09 and XX:39 (that is, every half hour). This cron job looks for sessions older than the session.gc_maxlifetime specified in the configuration, and if any are found, they are deleted. As a con...
Get a CSS value with JavaScript
...
You can use getComputedStyle().
var element = document.getElementById('image_1'),
style = window.getComputedStyle(element),
top = style.getPropertyValue('top');
jsFiddle.
...
Understanding Spliterator, Collector and Stream in Java 8
...to work on one part of the collection, one thread to work on another part, etc.
You should essentially never be saving values of type Stream to a variable, either. Stream is sort of like an Iterator, in that it's a one-time-use object that you'll almost always use in a fluent chain, as in the Java...
Why shouldn't I use “Hungarian Notation”?
... be much safer to create distinct types (eg. structs) for lengths, weights etc. and use operator overloading to ensure that only valid operations are possible.
– JacquesB
Jul 3 '14 at 13:55
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