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jQuery selector regular expressions

... James Padolsey created a wonderful filter that allows regex to be used for selection. Say you have the following div: <div class="asdf"> Padolsey's :regex filter can select it like so: $("div:regex(class, .*sd.*)") Also, check the official documentation on se...
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Max size of an iOS application

...whose MinimumOSVersion is less than 7.0: maximum of 80 MB for the total of all __TEXT sections in the binary. For apps whose MinimumOSVersion is 7.x through 8.x: maximum of 60 MB per slice for the __TEXT section of each architecture slice in the binary. For apps whose MinimumOSVersion is 9.0 or grea...
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What is the volatile keyword useful for?

... volatile has semantics for memory visibility. Basically, the value of a volatile field becomes visible to all readers (other threads in particular) after a write operation completes on it. Without volatile, readers could see some non-updated value. To answer your question: Y...
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Why not inherit from List?

... What is the correct C# way of representing a data structure, which, "logically" (that is to say, "to the human mind") is just a list of things with a few bells and whistles? Ask any ten non-computer-programmer people who are familiar with the existence of football to fill in the blank: A foot...
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Print string to text file

...t_file.close() If you use a context manager, the file is closed automatically for you with open("Output.txt", "w") as text_file: text_file.write("Purchase Amount: %s" % TotalAmount) If you're using Python2.6 or higher, it's preferred to use str.format() with open("Output.txt", "w") as text...
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What is `related_name` used for in Django?

... back to your model. If you don't specify a related_name, Django automatically creates one using the name of your model with the suffix _set, for instance User.map_set.all(). If you do specify, e.g. related_name=maps on the User model, User.map_set will still work, but the User.maps. syntax is ob...
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NSAttributedString add text alignment

...paragraphRef}; NSAttributedString *attributedString = [[NSAttributedString alloc] initWithString:@"Hello World" attributes:attributes]; share | improve this answer | follow ...
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Is it possible to push a git stash to a remote repository?

...ffect either! It would only be confusing anyway since that wouldn't fetch all stashes, only the latest one; the list of stashes is the reflog of the ref refs/stashes. share | improve this answer ...
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Can I use git diff on untracked files?

...The upshot is that your "untracked" file now becomes a modification to add all the content to this zero-length file, and that shows up in the "git diff" output. git diff echo "this is a new file" > new.txt git diff git add -N new.txt git diff diff --git a/new.txt b/new.txt index e69de29..3b2ae...
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What is SYSNAME data type in SQL Server?

...stored procedures etc within SQL Server. For example, by executing Exec sp_help 'sys.tables' you will see that the column name is defined as sysname this is because the value of this is actually an object in itself (a table) I would worry too much about it. It's also worth noting that for those p...