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Escape regex special characters in a Python string

...ackoverflow\.com Repeating it here: re.escape(string) Return string with all non-alphanumerics backslashed; this is useful if you want to match an arbitrary literal string that may have regular expression metacharacters in it. As of Python 3.7 re.escape() was changed to escape only characters whi...
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How are echo and print different in PHP? [duplicate]

... From: http://web.archive.org/web/20090221144611/http://faqts.com/knowledge_base/view.phtml/aid/1/fid/40 Speed. There is a difference between the two, but speed-wise it should be irrelevant which one you use. echo is marginally faster since it doesn't set a return value if you really want to ge...
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How to convert a string from uppercase to lowercase in Bash? [duplicate]

...ing to find a way to convert a string value from upper case to lower case. All the search results show approaches of using tr command. ...
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Why do I get AttributeError: 'NoneType' object has no attribute 'something'?

... Consider the code below. def return_something(someint): if someint > 5: return someint y = return_something(2) y.real() This is going to give you the error AttributeError: 'NoneType' object has no attribute 'real' So points are as below. ...
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Redis cache vs using memory directly

...er, it also brings some interesting properties: Redis can be accessed by all the processes of your applications, possibly running on several nodes (something local memory cannot achieve). Redis memory storage is quite efficient, and done in a separate process. If the application runs on a platform...
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Remote debugging with Android emulator

...sh -NL 5554:localhost:5554 -L 5555:localhost:5555 myuser@remote-server killall adb; adb devices I believe the emulator tries to notify a local adb server at startup; hence the need to restart adb in order for it to probe the local 5554+ ports. Note that the localhost in the ssh command refers to ...
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Should I use AppDomain.CurrentDomain.BaseDirectory or System.Environment.CurrentDirectory?

... I usually use something like: string AppPath = System.IO.Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().GetName().CodeBase); AppPath = AppPath.Replace("file:\\", ""); ...
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Get list of a class' instance methods

... You actually want TestClass.instance_methods, unless you're interested in what TestClass itself can do. class TestClass def method1 end def method2 end def method3 end end TestClass.methods.grep(/method1/) # => [] ...
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Targeting both 32bit and 64bit with Visual Studio in same solution/project

...ady been noted, will need to target either x86 or x64) Any custom .NET Installer Class-based actions in your MSI package The assembly reference issue can't be solved entirely within VS.NET, as it will only allow you to add a reference with a given name to a project once. To work around this, edit ...
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Better techniques for trimming leading zeros in SQL Server?

... Other answers here to not take into consideration if you have all-zero's (or even a single zero). Some always default an empty string to zero, which is wrong when it is supposed to remain blank. Re-read the original question. This answers what the Questioner wants. Solution #1: --Thi...