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How do I change the color of radio buttons?
I mean, a radio button itself consists of a round shape and a dot at the center (when the button is selected). What I want to change is the color of both. Can this be done using CSS?
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How to wait until an element exists?
...plain javascript, with an interval that checks until an element exists, or does jQuery have some easy way to do this?
19 An...
Flask SQLAlchemy query, specify column names
How do I specify the column that I want in my query using a model (it selects all columns by default)? I know how to do this with the sqlalchmey session: session.query(self.col1) , but how do I do it with with models? I can't do SomeModel.query() . Is there a way?
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Where do I mark a lambda expression async?
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SignalR: Why choose Hub vs. Persistent Connection?
...age type in the payload (see Raw sample) but hubs gives you the ability to do RPC over a connection (lets you call methods on on the client from the server and from the server to the client). Another big thing is model binding. Hubs allow you to pass strongly typed parameters to methods.
The examp...
Foreign key constraints: When to use ON UPDATE and ON DELETE
...atabase schema using MySQL Workbench, which is pretty cool because you can do diagrams and it converts them :P
3 Answers
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Is there a practical use for weak references? [duplicate]
...can also be used to keep information about objects used else where and you don't know when those objects are discarded.
BTW Soft References are like Weak references, but they will not always be cleaned up immediately. The GC will always discard weak references when it can and retain Soft Reference...
How to run Unix shell script from Java code?
...s is quite late and things might have changed but per current Java Process documentation this is not recommended method for shell scripts: docs.oracle.com/javase/8/docs/api/java/lang/Process.html "The methods that create processes may not work well for special processes on certain native platforms...
Design by contract using assertions or exceptions? [closed]
...ing to work on its responsibilities, right? The two most prominent ways to do these checks are by assert and by exception .
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How to version control a record in a database
...t I have a record in the database and that both admin and normal users can do updates.
11 Answers
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