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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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Exit a Script On Error
I'm building a Shell Script that has a if function like this one:
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Warning “Do not Access Superglobal $_POST Array Directly” on Netbeans 7.4 for PHP
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Return from lambda forEach() in java
I am trying to change some for-each loops to lambda forEach() -methods to discover the possibilities of lambda expressions. The following seems to be possible:
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Transactions in .net
What are the best practices to do transactions in C# .Net 2.0. What are the classes that should be used? What are the pitfalls to look out for etc. All that commit and rollback stuff. I'm just starting a project where I might need to do some transactions while inserting data into the DB. Any respons...
Is the order of elements in a JSON list preserved?
I've noticed the order of elements in a JSON object not being the original order.
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New Array from Index Range Swift
How can I do something like this? Take the first n elements from an array:
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Coloring white space in git-diff's output
Regarding code formatting I'm kind of purist :). I very often remove unnecessary white spaces (lines with only ws, ws at the end of lines etc). I even have set vim to show that kind of lines colored to red.
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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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“Debug only” code that should run only when “turned on”
I would like to add some C# "debug only" code that only runs if the person debugging requests it. In C++, I used to do something similar to the following:
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