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What's the difference between echo, print, and print_r in PHP?
I use echo and print_r much, and almost never use print .
11 Answers
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What's the meaning of 'origin' in 'git push origin master'
When I run:
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How to use Git for Unity3D source control?
What are best practices for using Git source control with Unity 3D, particularly in dealing with the binary nature of Unity 3D projects? Please describe the workflow, what paths would be included in .gitignore, what settings should be set in Unity and/or the project, and any other special things t...
NSOperation vs Grand Central Dispatch
I'm learning about concurrent programming for iOS. So far I've read about NSOperation/NSOperationQueue and GCD . What are the reasons for using NSOperationQueue over GCD and vice versa?
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Why must a nonlinear activation function be used in a backpropagation neural network? [closed]
I've been reading some things on neural networks and I understand the general principle of a single layer neural network. I understand the need for aditional layers, but why are nonlinear activation functions used?
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How to add hyperlink in JLabel?
What is the best way to add a hyperlink in a JLabel? I can get the view using html tags, but how to open the browser when the user clicks on it?
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How to write to a file in Scala?
For reading, there is the useful abstraction Source . How can I write lines to a text file?
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How do I create a unique constraint that also allows nulls?
I want to have a unique constraint on a column which I am going to populate with GUIDs. However, my data contains null values for this columns. How do I create the constraint that allows multiple null values?
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How to subtract a day from a date?
I have a Python datetime.datetime object. What is the best way to subtract one day?
6 Answers
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How to make overlay control above all other controls?
I need to make a control appear above all other controls, so it will partially overlay them.
6 Answers
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