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What are best practices that you use when writing Objective-C and Cocoa? [closed]
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There are a few things I have started to do that I do not think are standard:
1) With the advent of properties, I no longer use "_" to prefix "private" class variables. After all, if a variable can be accessed by other classes shouldn't there be a prope...
ASP.NET Web Site or ASP.NET Web Application?
When I start a new ASP.NET project in Visual Studio, I can create an ASP.NET Web Application or I can create an ASP.NET Web Site.
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What does “use strict” do in JavaScript, and what is the reasoning behind it?
... you currently have foo = "bar" without defining foo first, your code will start failing...which is a good thing in my opinion.
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MongoDB/Mongoose querying at a specific date?
... Remember that that in the Date() function, the month argument starts counting at 0, not 1. On the other hand, the days start counting at 1... details
– Mark Stosberg
Jan 18 '14 at 0:09
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How to create relationships in MySQL
...rs` (`customer_id`) ON DELETE CASCADE ON UPDATE CASCADE;
One good way to start learning these commands is using the MySQL GUI Tools, which give you a more "visual" interface for working with your database. The real benefit to that (over Access's method), is that after designing your table via the ...
Center image horizontally within a div
...t element. To preserve the aspect ratio of the image, add align-self: flex-start; to it.
HTML
<div class="image-container">
<img src="http://placehold.it/100x100" />
</div>
CSS
.image-container {
display: flex;
justify-content: center;
}
Output:
body {
backgrou...
Handler “ExtensionlessUrlHandler-Integrated-4.0” has a bad module “ManagedPipelineHandler” in its mo
... you can use a Microsoft solution to make sure your web site automatically starts up after it recycles. What you need is the Microsoft Application Initialization Module for IIS 7.5. It is not complicated to configure, but you need to understand the exact options. This is why I would also recommend t...
Can scrapy be used to scrape dynamic content from websites that are using AJAX?
...r for this purpose:
class spider(BaseSpider):
name = 'RubiGuesst'
start_urls = ['http://www.rubin-kazan.ru/guestbook.html']
def parse(self, response):
url_list_gb_messages = re.search(r'url_list_gb_messages="(.*)"', response.body).group(1)
yield FormRequest('http://www....
Keep file in a Git repo, but don't track changes
... This is not a good solution. If you flush your git index you're going to start tracking changes when you don't mean to. See @nasirkhans answer for the correct way to do this.
– Brian Melton-Grace - MSFT
Oct 1 '15 at 21:14
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Pythonic way to create a long multi-line string
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Are you talking about multi-line strings? Easy, use triple quotes to start and end them.
s = """ this is a very
long string if I had the
energy to type more and more ..."""
You can use single quotes too (3 of them of course at start and end) and treat the resulting string s ...