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what is the difference between ?:, ?! and ?= in regex?
I searched for the meaning of these expressions but couldn't understand the exact difference between them.
This is what they say:
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PHP date() format when inserting into datetime in MySQL
What is the correct format to pass to the date() function in PHP if I want to insert the result into a MySQL datetime type column?
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Remove non-ascii character in string
and i need to remove all non-ascii character from string,
5 Answers
5
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What does -1 mean in numpy reshape?
A numpy matrix can be reshaped into a vector using reshape function with parameter -1. But I don't know what -1 means here.
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WPF Application that only has a tray icon
I am a total WPF newbie and wonder if anyone could give me some pointers how to write an application that starts minimized to tray. The idea is that it periodically fetches an RSS Feed and creates a Toaster-Popup when there are new feeds.
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Why should Java ThreadLocal variables be static
I was reading the JavaDoc for Threadlocal here
7 Answers
7
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Confusion: @NotNull vs. @Column(nullable = false) with JPA and Hibernate
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RESTful Authentication via Spring
Problem:
We have a Spring MVC-based RESTful API which contains sensitive information. The API should be secured, however sending the user's credentials (user/pass combo) with each request is not desirable. Per REST guidelines (and internal business requirements), the server must remain stateless. ...
GPU Emulator for CUDA programming without the hardware [closed]
Question: Is there an emulator for a Geforce card that would allow me to program and test CUDA without having the actual hardware?
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