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What is the purpose of the '@' symbol in CSS?
...merly only media types), control which styles are applied and which aren't based on what media the page is being displayed in. In my code example, only when printing a document should all text be set in black against a white (the paper) background. You can use media queries to filter out print media...
How to find/identify large commits in git history?
...Kernel repository with its 5.6 million objects in just over a minute.
The Base Script
git rev-list --objects --all \
| git cat-file --batch-check='%(objecttype) %(objectname) %(objectsize) %(rest)' \
| sed -n 's/^blob //p' \
| sort --numeric-sort --key=2 \
| cut -c 1-12,41- \
| $(command -v gnumfm...
AJAX Mailchimp signup form integration
...
Based on gbinflames' answer, I kept the POST and URL, so that the form would continue to work for those with JS off.
<form class="myform" action="http://XXXXXXXXXlist-manage2.com/subscribe/post" method="POST">
<i...
How do I get a Cron like scheduler in Python? [closed]
...
More or less same as above but concurrent using gevent :)
"""Gevent based crontab implementation"""
from datetime import datetime, timedelta
import gevent
# Some utility classes / functions first
def conv_to_set(obj):
"""Converts to set allowing single integer to be provided"""
if ...
Group by with multiple columns using lambda
...
Further to aduchis answer above - if you then need to filter based on those group by keys, you can define a class to wrap the many keys.
return customers.GroupBy(a => new CustomerGroupingKey(a.Country, a.Gender))
.Where(a => a.Key.Country == "Ireland" &&...
Get an object properties list in Objective-C
...aving to specify the properties in a copy method. Parts of this answer are based on the other answers to this question but it provides a cleaner interface to the desired functionality.
Header:
// SYNUtilities.h
#import <Foundation/Foundation.h>
@interface SYNUtilities : NSObject
+ (NSDict...
Git rebase: conflicts keep blocking progress
...anges to master, that I want to get into v4. So, in v4, I tried to do a rebase from master, and one file keeps screwing things up: a one-line text file, that contains the version number. This file is app/views/common/version.txt , which before rebasing contains this text:
...
What's the difference between IQueryable and IEnumerable
...e an IQueryable, then the query may be converted to sql and run on the database server
If you create an IEnumerable, then all rows will be pulled into memory as objects before running the query.
In both cases if you don't call a ToList() or ToArray() then query will be executed each time it is use...
When should I use require() and when to use define()?
...ling dependency loading
define is used to define named or unnamed modules based on the proposal using the following signature:
define(
module_id /*optional*/,
[dependencies] /*optional*/,
definition function /*function for instantiating the module or object*/
);
require on the other hand is ty...
Using Rails 3.1 assets pipeline to conditionally use certain css
...pp/assets/stylesheets folder:
app/assets/stylesheets
+-- all
+-- your_base_stylesheet.css
+-- print
+-- blueprint
+-- print.css
+-- your_print_stylesheet.css
+-- ie
+-- blueprint
+ ie.css
+-- your_ie_hacks.css
+-- application-all.css
+-- application-print.css
+--...