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Sending a JSON to server and retrieving a JSON in return, without JQuery
I need to send a JSON (which I can stringify) to the server and to retrieve the resulting JSON on the user side, without using JQuery.
...
WAMP 403 Forbidden message on Windows 7
...The rule to allow 'from 127.0.0.1' should be enough to allow local access, if that is the main objective here, the 127.0.0.1 is basically a loop back to the network adaptor. If you type in the address bar 'http'://127.0.0.1:{portNumber}/{folderOrFileName}' it should work fine. This should work the s...
How long should SQL email fields be? [duplicate]
...really long but do you really need worry about these long Email addresses? If someone can't login with a 100-char Email, do you really care? We actually prefer they can't.
Some statistical data may shed some light on the issue. We analyzed a database with over 10 million Email addresses. These addr...
How to fix “Attempted relative import in non-package” even with __init__.py
...e fact that you need __init__.pys all the way down, and the __package__-modifying trickery (described below by BrenBarn) needed to allow these imports for executable scripts (e.g. when using a shebang and doing ./my_script.py at the Unix shell) would all be useful. This whole issue was quite tricky ...
HashSet vs. List performance
...l only ever have on average 5 items in it. Over a large number of cycles, if a single item is added or removed each cycle, you may well be better off using a List<T>.
I did a test for this on my machine, and, well, it has to be very very small to get an advantage from List<T>. For a li...
SQLiteDatabase.query method
...as in SELECT * FROM ...
new String[] { "column1", "column2", ... } for specific columns as in SELECT column1, column2 FROM ... - you can also put complex expressions here:
new String[] { "(SELECT max(column1) FROM table1) AS max" } would give you a column named max holding the max value of column1
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Real world example about how to use property feature in python?
...gth
@stride_length.setter
def stride_length(self, value):
if value > 10:
raise ValueError("This pedometer is based on the human stride - a stride length above 10m is not supported")
else:
self._stride_length = value
...
How to programmatically set style attribute in a view
...
There is also such a thing as a StateListDrawable which lets you define different drawables for each state the your Button can be in, whether focused, selected, pressed, disabled and so on.
For example, to get your button to change colour when it's pressed, you could define an XML file called res...
How do I unlock a SQLite database?
...ck database
In Linux and macOS you can do something similar, for example, if your locked file is development.db:
$ fuser development.db
This command will show what process is locking the file:
> development.db: 5430
Just kill the process...
kill -9 5430
...And your database ...
Sort objects in an array alphabetically on one property of the array
... to shunt the work of managing sort logic and locale quirks to the system. If doing a case-insensitive sort is normal for the locale, as it is in english, this will be done for you: "Z" > 'a' // false "Z".localeCompare('a') // 1 If you wish to deviate from the locale's default, you can send alo...