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Unpacking, extended unpacking and nested extended unpacking
...the length of this post, but I decided to opt for completeness.
Once you know a few basic rules, it's not hard to generalize them. I'll do my best to explain with a few examples. Since you're talking about evaluating these "by hand," I'll suggest some simple substitution rules. Basically, you might...
Hide the cursor of an UITextField
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As of iOS 7 you can now just set the tintColor = [UIColor clearColor] on the textField and the caret will disappear.
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What good technology podcasts are out there?
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This one's not specifically about development, but Security Now from Steve Gibson and Leo Laporte is an excellent discussion of security issues. I think it's a must-listen for just about any computer user who's concerned about security, and especially for web developers who are respo...
Are PHP short tags acceptable to use?
...ags, you'll still need to use <?php echo ... ?>.
Also, you need to know that ASP tags <% , %> , <%= , and script tag are removed from PHP 7. So if you would like to support long-term portable code and would like switching to the most modern tools consider changing that parts of code...
How to elegantly deal with timezones
... times on the server are UTC.
That means using, like you said, DateTime.UtcNow.
Try to trust the client passing dates to the server as little as possible. For example, if you need "now", don't create a date on the client and then pass it to the server. Either create a date in your GET and pass it t...
How to store arrays in MySQL?
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Yes, which is how the example is setup now. Any information about the person should be in the person table, any information about the fruit in the fruits table, and any information specifically about the relationship between a particular person and a particular fr...
Mercurial: how to amend the last commit?
...nd have some other changes (3) Commit changes, resulting in revision 3 (4) Now I'll change my mind and decide "file" should not be removed from the commit, so I want to amend revision 3. Hence, I'll re-add "file" which is now unversioned (5) Now I perform rollback: it will reset the dirstate and mar...
How to move a model between two Django apps (Django 1.7)
...ll new developers I didn't really focus too much on the structure, however now I am further along with Django it has started to appear that my project layout mainly my models are horrible in structure.
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How is Python's List Implemented?
... list, an array? I searched around and only found people guessing. My C knowledge isn't good enough to look at the source code.
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How do I design a class in Python?
...ant the first footstep of a dog, you do something like:
dog.footstep(0)
Now, it may be that for your case you need to read in your raw data file and compute the footstep locations. All this could be hidden in the footstep() function so that it only happens once. Something like:
class Dog:
de...