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AngularJS ui-router login authentication
...they're logged in (if necessary; not necessary for signin, password reset, etc.), and then does a role check (if your app needs this). If they are not authenticated, send them to the sign-in page. If they are authenticated, but fail a role check, send them to an access denied page. I call this servi...
Closing Database Connections in Java
...method in order to release any other database resources (cursors, handles, etc) the connection may be holding on to.
Actually, the safe pattern in Java is to close your ResultSet, Statement, and Connection (in that order) in a finally block when you are done with them, something like that:
Connec...
How to get disk capacity and free space of remote computer
...ay 1 '15 at 17:48
Null Pointers etc.Null Pointers etc.
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How to do stateless (session-less) & cookie-less authentication?
...ation-Token header or something like that, and you map that to a database, file-store in memory, etc. on the backend to validate the user. This token can have a timeout of whatever time you specified, and if it times out, the user has to log in again. It's fairly scalable - if you store it in a data...
What is data oriented design?
...our data for efficient processing. Especially with respect to cache misses etc. Data Driven Design on the other hand is about letting data control a lot of your programs behavior (described very well by Andrew Keith's answer).
Say you have ball objects in your application with properties such as co...
Which websocket library to use with Node.js? [closed]
...; TCP connections and provides data-sync, pub/sub and request/response
socketcluster WebSocket server cluster which makes use of all CPU cores on your machine. For example, if you were to use an xlarge Amazon EC2 instance with 32 cores, you would be able to handle almost 32 times the traffic on a si...
How to set time delay in javascript
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Place your code inside of the { }
500 = 0.5 seconds
2200 = 2.2 seconds
etc.
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How to implement an android:background that doesn't stretch?
...tton instead of ImageButton (which doesn't allow SetText() , resizing, etc.).
11 Answers
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How do I choose between Tesseract and OpenCV? [closed]
... image inputs (a single word, line, paragraph, page, limited dictionaries, etc.).
OpenCV, on the other hand, is a computer vision library that includes features that let you perform some feature extraction and data classification. You can create a simple letter segmenter and classifier that performs...
Regular Expression for alphanumeric and underscores
... flavors. \w includes letters with diacritics, letters from other scripts, etc.
– Jan Goyvaerts
Dec 3 '08 at 7:45
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