Regex multiple match substring

You can achieve what you need by using two steps. You could use this regex to validate the format: Working demo Once you validated the right strings you can use a function like this: Output:

Difference between Chocolatey and NuGet

NuGet is designed to allow you to easily add code libraries to your project. Things like JSON.NET, Entity Framework, etc. Chocolatey is actually built on top of the NuGet package system, but it is designed to fill a different need. Chocolatey wraps up applications and other executables and makes it easy to install them on … Read more

How to install PyQt4 on Windows using pip?

Here are Windows wheel packages built by Chris Golke – Python Windows Binary packages – PyQt In the filenames cp27 means C-python version 2.7, cp35 means python 3.5, etc. Since Qt is a more complicated system with a compiled C++ codebase underlying the python interface it provides you, it can be more complex to build … Read more

ifference between ibatis and mybatis

MyBatis is a fork from iBATIS, and according to Wikipedia most of iBATIS’ developers moved over to MyBatis too. The iBATIS project is currently marked as Inactive, therefore you should go with MyBatis for new projects and only use iBATIS if you’re maintaining an existing project which already uses iBATIS. http://en.wikipedia.org/wiki/MyBatis MyBatis is a fork … Read more

What’s the difference between sx and σx in the statistics calculations on a TI-Nspire?

After cross-checking in Excel and reading Bessel’s correction and Unbiased estimation of standard deviation on Wikipedia … σx gives the “regular” standard deviation and sx applies Bessel’s correction. In other words, σx is the exact standard deviation of the data given (with n in the denominator), and sx is an unbiased estimation of the standard deviation of a larger population assuming that the data given is only a … Read more

what is the difference between bisizeimage , bisize and bfsize?

@Roman Abashin’s answer has a slight but important error. biSize is not the combined size of both headers. biSize is the size of the BITMAPINFOHEADER only. It is 40 bytes. The combined size of both headers is actually bfOffBits (you can think of the “Off” as referring to the offset of the actual bitmap from the beginning … Read more

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