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Django 1.7 - makemigrations not detecting changes
...ging over from an existing app you made in django 1.6, then you need to do one pre-step (as I found out) listed in the documentation:
python manage.py makemigrations your_app_label
The documentation does not make it obvious that you need to add the app label to the command, as the first thing ...
SOAP or REST for Web Services? [closed]
...ent tools for different problems? Or is it a nuanced issue - that is, is one slightly better in certain arenas than another, etc?
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What is the difference between Pan and Swipe in iOS?
...izerToFail:.
With the conflict resolved, you should be able to simulate a one-finger swipe by quickly dragging the mouse. (Though as the mouse is more precise than your finger, it's a bit more finicky than doing the real thing on a device.) Two-finger pan/swipe can be done by holding the Option &am...
Bash script absolute path with OS X
...reutils is, it is not 'out of the box' on OS X so the answer is not a good one. It is not a question of how good coreutils is, or whether it is better than what is on OS X. There are 'out of the box' solutions $( cd "$(dirname "$0")" ; pwd -P ) works fine for me.
– Jason S
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demystify Flask app.secret_key
...ts; if you didn't set a server-side secret for the encryption to use, everyone would be able to break your encryption; it's like the password to your computer. The secret plus the data-to-sign are used to create a signature string, a hard-to-recreate value using a cryptographic hashing algorithm; on...
How slow are .NET exceptions?
...is not the issue. I've read numerous blogs, articles, and posts pertaining one side or the other. So which is it?
13 Answer...
PHP: Convert any string to UTF-8 without knowing the original character set, or at least try
...ncoding goes through the list of supplied encodings, and accepts the first one which has no invalid byte sequences in the string ... For encodings which have no invalid byte sequences such as ISO-8859-1, it's always true. No "smart" heuristics, and results vary greatly with the list (and order) of e...
SharedPreferences.onSharedPreferenceChangeListener not being called consistently
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This is a sneaky one. SharedPreferences keeps listeners in a WeakHashMap. This means that you cannot use an anonymous inner class as a listener, as it will become the target of garbage collection as soon as you leave the current scope. It wil...
Send Email Intent
...nstead of a string for email address to make it work. We might need to add one more line:
intent.putExtra(Intent.EXTRA_EMAIL, addresses); // String[] addresses
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Find first element by predicate
...you should leave it as an Optional type, which is what .findFirst returns. One of the uses of Optional is to help developers avoid having to deal with nulls. e.g. instead of checking myObject != null, you can check myOptional.isPresent(), or use other parts of the Optional interface. Did that make i...