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How do I vertically center UITextField Text?
I am simply instantiating a UITextField and noticing that the text doesn't center vertically. Instead, it is flush with the top of my button, which I find kind of odd since I would expect the default to center it vertically. How can I center it vertically, or is there some default setting that I a...
What's the difference between dist-packages and site-packages?
...s the difference between packages installed in the dist-packages directory and the site-packages directory?
2 Answers
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How safe is it to store sessions with Redis?
...s is perfect for storing sessions. All operations are performed in memory, and so reads and writes will be fast.
The second aspect is persistence of session state. Redis gives you a lot of flexibility in how you want to persist session state to your hard-disk. You can go through http://redis.io/to...
Using PHP with Socket.io
Is it possible to use Sockets.io on the client side and communicate with a PHP based application on the server? Does PHP even support such a 'long-lived connection' way of writing code?
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Empty arrays seem to equal true and false at the same time
...t (Array is instance of Object in JS) will check if the object is present, and returns true/false.
When you call if (arr == false) you compare values of this object and the primitive false value. Internally, arr.toString() is called, which returns an empty string "".
This is because toString cal...
How to do a case sensitive search in WHERE clause (I'm using SQL Server)?
...ustomers
WHERE CustID = @CustID COLLATE SQL_Latin1_General_CP1_CS_AS
AND CustPassword = @CustPassword COLLATE SQL_Latin1_General_CP1_CS_AS
Or, change the columns to be case sensitive.
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What is the __del__ method, How to call it?
... ends. In particular, unless there are circular references, CPython (the standard Python implementation) will garbage collect immediately.
However, this is an implementation detail of CPython. The only required property of Python garbage collection is that it happens after all references have been...
How to create a database from shell command?
...solution that would allow me to create database with a help of a shell command. Any hints?
8 Answers
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How can I clear event subscriptions in C#?
...outside the class, you can't do this - events basically expose "subscribe" and "unsubscribe" and that's it.
It's worth being aware of what field-like events are actually doing - they're creating a variable and an event at the same time. Within the class, you end up referencing the variable. From ou...
Bulk package updates using Conda
Is there a way (using conda update) that I can list outdated packages and select or bulk update (compatible) packages in Anaconda?
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